diff options
Diffstat (limited to 'libxml2/trio.c')
| -rw-r--r-- | libxml2/trio.c | 6895 |
1 files changed, 0 insertions, 6895 deletions
diff --git a/libxml2/trio.c b/libxml2/trio.c deleted file mode 100644 index c8b9c84..0000000 --- a/libxml2/trio.c +++ /dev/null @@ -1,6895 +0,0 @@ -/************************************************************************* - * - * $Id$ - * - * Copyright (C) 1998 Bjorn Reese and Daniel Stenberg. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE AUTHORS AND - * CONTRIBUTORS ACCEPT NO RESPONSIBILITY IN ANY CONCEIVABLE MANNER. - * - ************************************************************************* - * - * A note to trio contributors: - * - * Avoid heap allocation at all costs to ensure that the trio functions - * are async-safe. The exceptions are the printf/fprintf functions, which - * uses fputc, and the asprintf functions and the <alloc> modifier, which - * by design are required to allocate form the heap. - * - ************************************************************************/ - -/* - * TODO: - * - Scan is probably too permissive about its modifiers. - * - C escapes in %#[] ? - * - Multibyte characters (done for format parsing, except scan groups) - * - Complex numbers? (C99 _Complex) - * - Boolean values? (C99 _Bool) - * - C99 NaN(n-char-sequence) missing. The n-char-sequence can be used - * to print the mantissa, e.g. NaN(0xc000000000000000) - * - Should we support the GNU %a alloc modifier? GNU has an ugly hack - * for %a, because C99 used %a for other purposes. If specified as - * %as or %a[ it is interpreted as the alloc modifier, otherwise as - * the C99 hex-float. This means that you cannot scan %as as a hex-float - * immediately followed by an 's'. - * - Scanning of collating symbols. - */ - -/************************************************************************* - * Trio include files - */ -#include "triodef.h" -#include "trio.h" -#include "triop.h" -#include "trionan.h" -#if !defined(TRIO_MINIMAL) -# include "triostr.h" -#endif - -/************************************************************************** - * - * Definitions - * - *************************************************************************/ - -#include <math.h> -#include <limits.h> -#include <float.h> - -#if (defined(__STDC_ISO_10646__) || defined(MB_LEN_MAX) \ - || defined(USE_MULTIBYTE) || TRIO_WIDECHAR) \ - && !defined(_WIN32_WCE) -# define TRIO_COMPILER_SUPPORTS_MULTIBYTE -# if !defined(MB_LEN_MAX) -# define MB_LEN_MAX 6 -# endif -#endif - -#if (defined(TRIO_COMPILER_MSVC) && (_MSC_VER >= 1100)) || defined(TRIO_COMPILER_BCB) -# define TRIO_COMPILER_SUPPORTS_MSVC_INT -#endif - -#if defined(_WIN32_WCE) -#include <wincecompat.h> -#endif - -/************************************************************************* - * Generic definitions - */ - -#if !(defined(DEBUG) || defined(NDEBUG)) -# define NDEBUG -#endif - -#include <assert.h> -#include <ctype.h> -#if !defined(TRIO_COMPILER_SUPPORTS_C99) -# define isblank(x) (((x)==32) || ((x)==9)) -#endif -#if defined(TRIO_COMPILER_ANCIENT) -# include <varargs.h> -#else -# include <stdarg.h> -#endif -#include <stddef.h> - -#if defined( HAVE_ERRNO_H ) || defined( __VMS ) -#include <errno.h> -#endif - -#ifndef NULL -# define NULL 0 -#endif -#define NIL ((char)0) -#ifndef FALSE -# define FALSE (1 == 0) -# define TRUE (! FALSE) -#endif -#define BOOLEAN_T int - -/* mincore() can be used for debugging purposes */ -#define VALID(x) (NULL != (x)) - -#if TRIO_ERRORS - /* - * Encode the error code and the position. This is decoded - * with TRIO_ERROR_CODE and TRIO_ERROR_POSITION. - */ -# define TRIO_ERROR_RETURN(x,y) (- ((x) + ((y) << 8))) -#else -# define TRIO_ERROR_RETURN(x,y) (-1) -#endif - -#ifndef VA_LIST_IS_ARRAY -#define TRIO_VA_LIST_PTR va_list * -#define TRIO_VA_LIST_ADDR(l) (&(l)) -#define TRIO_VA_LIST_DEREF(l) (*(l)) -#else -#define TRIO_VA_LIST_PTR va_list -#define TRIO_VA_LIST_ADDR(l) (l) -#define TRIO_VA_LIST_DEREF(l) (l) -#endif - -typedef unsigned long trio_flags_t; - - -/************************************************************************* - * Platform specific definitions - */ -#if defined(TRIO_PLATFORM_UNIX) || defined(TRIO_PLATFORM_OS400) -# include <unistd.h> -# include <signal.h> -# include <locale.h> -# define USE_LOCALE -#endif /* TRIO_PLATFORM_UNIX */ -#if defined(TRIO_PLATFORM_VMS) -# include <unistd.h> -#endif -#if defined(TRIO_PLATFORM_WIN32) -# if defined(_WIN32_WCE) -# include <wincecompat.h> -# else -# include <io.h> -# define read _read -# define write _write -# endif -#endif /* TRIO_PLATFORM_WIN32 */ - -#if TRIO_WIDECHAR -# if defined(TRIO_COMPILER_SUPPORTS_ISO94) -# include <wchar.h> -# include <wctype.h> -typedef wchar_t trio_wchar_t; -typedef wint_t trio_wint_t; -# else -typedef char trio_wchar_t; -typedef int trio_wint_t; -# define WCONST(x) L ## x -# define WEOF EOF -# define iswalnum(x) isalnum(x) -# define iswalpha(x) isalpha(x) -# define iswblank(x) isblank(x) -# define iswcntrl(x) iscntrl(x) -# define iswdigit(x) isdigit(x) -# define iswgraph(x) isgraph(x) -# define iswlower(x) islower(x) -# define iswprint(x) isprint(x) -# define iswpunct(x) ispunct(x) -# define iswspace(x) isspace(x) -# define iswupper(x) isupper(x) -# define iswxdigit(x) isxdigit(x) -# endif -#endif - - -/************************************************************************* - * Compiler dependent definitions - */ - -/* Support for long long */ -#ifndef __cplusplus -# if !defined(USE_LONGLONG) -# if defined(TRIO_COMPILER_GCC) && !defined(__STRICT_ANSI__) -# define USE_LONGLONG -# elif defined(TRIO_COMPILER_SUNPRO) -# define USE_LONGLONG -# elif defined(_LONG_LONG) || defined(_LONGLONG) -# define USE_LONGLONG -# endif -# endif -#endif - -/* The extra long numbers */ -#if defined(USE_LONGLONG) -typedef signed long long int trio_longlong_t; -typedef unsigned long long int trio_ulonglong_t; -#elif defined(TRIO_COMPILER_SUPPORTS_MSVC_INT) -typedef signed __int64 trio_longlong_t; -typedef unsigned __int64 trio_ulonglong_t; -#else -typedef TRIO_SIGNED long int trio_longlong_t; -typedef unsigned long int trio_ulonglong_t; -#endif - -/* Maximal and fixed integer types */ -#if defined(TRIO_COMPILER_SUPPORTS_C99) && !defined( __VMS ) -# include <stdint.h> -typedef intmax_t trio_intmax_t; -typedef uintmax_t trio_uintmax_t; -typedef int8_t trio_int8_t; -typedef int16_t trio_int16_t; -typedef int32_t trio_int32_t; -typedef int64_t trio_int64_t; -#elif defined(TRIO_COMPILER_SUPPORTS_UNIX98) || defined( __VMS ) -# include <inttypes.h> -#ifdef __VMS -typedef long long int intmax_t; -typedef unsigned long long int uintmax_t; -#endif -typedef intmax_t trio_intmax_t; -typedef uintmax_t trio_uintmax_t; -typedef int8_t trio_int8_t; -typedef int16_t trio_int16_t; -typedef int32_t trio_int32_t; -typedef int64_t trio_int64_t; -#elif defined(TRIO_COMPILER_SUPPORTS_MSVC_INT) -typedef trio_longlong_t trio_intmax_t; -typedef trio_ulonglong_t trio_uintmax_t; -typedef __int8 trio_int8_t; -typedef __int16 trio_int16_t; -typedef __int32 trio_int32_t; -typedef __int64 trio_int64_t; -#else -typedef trio_longlong_t trio_intmax_t; -typedef trio_ulonglong_t trio_uintmax_t; -# if defined(TRIO_INT8_T) -typedef TRIO_INT8_T trio_int8_t; -# else -typedef TRIO_SIGNED char trio_int8_t; -# endif -# if defined(TRIO_INT16_T) -typedef TRIO_INT16_T trio_int16_t; -# else -typedef TRIO_SIGNED short trio_int16_t; -# endif -# if defined(TRIO_INT32_T) -typedef TRIO_INT32_T trio_int32_t; -# else -typedef TRIO_SIGNED int trio_int32_t; -# endif -# if defined(TRIO_INT64_T) -typedef TRIO_INT64_T trio_int64_t; -# else -typedef trio_longlong_t trio_int64_t; -# endif -#endif - -#if (!(defined(TRIO_COMPILER_SUPPORTS_C99) \ - || defined(TRIO_COMPILER_SUPPORTS_UNIX01))) \ - && !defined(_WIN32_WCE) -# define floorl(x) floor((double)(x)) -# define fmodl(x,y) fmod((double)(x),(double)(y)) -# define powl(x,y) pow((double)(x),(double)(y)) -#endif - -#define TRIO_FABS(x) (((x) < 0.0) ? -(x) : (x)) - -/************************************************************************* - * Internal Definitions - */ - -#ifndef DECIMAL_DIG -# define DECIMAL_DIG DBL_DIG -#endif - -/* Long double sizes */ -#ifdef LDBL_DIG -# define MAX_MANTISSA_DIGITS LDBL_DIG -# define MAX_EXPONENT_DIGITS 4 -# define MAX_DOUBLE_DIGITS LDBL_MAX_10_EXP -#else -# define MAX_MANTISSA_DIGITS DECIMAL_DIG -# define MAX_EXPONENT_DIGITS 3 -# define MAX_DOUBLE_DIGITS DBL_MAX_10_EXP -#endif - -#if defined(TRIO_COMPILER_ANCIENT) || !defined(LDBL_DIG) -# undef LDBL_DIG -# undef LDBL_MANT_DIG -# undef LDBL_EPSILON -# define LDBL_DIG DBL_DIG -# define LDBL_MANT_DIG DBL_MANT_DIG -# define LDBL_EPSILON DBL_EPSILON -#endif - -/* The maximal number of digits is for base 2 */ -#define MAX_CHARS_IN(x) (sizeof(x) * CHAR_BIT) -/* The width of a pointer. The number of bits in a hex digit is 4 */ -#define POINTER_WIDTH ((sizeof("0x") - 1) + sizeof(trio_pointer_t) * CHAR_BIT / 4) - -/* Infinite and Not-A-Number for floating-point */ -#define INFINITE_LOWER "inf" -#define INFINITE_UPPER "INF" -#define LONG_INFINITE_LOWER "infinite" -#define LONG_INFINITE_UPPER "INFINITE" -#define NAN_LOWER "nan" -#define NAN_UPPER "NAN" - -#if !defined(HAVE_ISASCII) && !defined(isascii) -#ifndef __VMS -# define isascii(x) ((unsigned int)(x) < 128) -#endif -#endif - -/* Various constants */ -enum { - TYPE_PRINT = 1, - TYPE_SCAN = 2, - - /* Flags. FLAGS_LAST must be less than ULONG_MAX */ - FLAGS_NEW = 0, - FLAGS_STICKY = 1, - FLAGS_SPACE = 2 * FLAGS_STICKY, - FLAGS_SHOWSIGN = 2 * FLAGS_SPACE, - FLAGS_LEFTADJUST = 2 * FLAGS_SHOWSIGN, - FLAGS_ALTERNATIVE = 2 * FLAGS_LEFTADJUST, - FLAGS_SHORT = 2 * FLAGS_ALTERNATIVE, - FLAGS_SHORTSHORT = 2 * FLAGS_SHORT, - FLAGS_LONG = 2 * FLAGS_SHORTSHORT, - FLAGS_QUAD = 2 * FLAGS_LONG, - FLAGS_LONGDOUBLE = 2 * FLAGS_QUAD, - FLAGS_SIZE_T = 2 * FLAGS_LONGDOUBLE, - FLAGS_PTRDIFF_T = 2 * FLAGS_SIZE_T, - FLAGS_INTMAX_T = 2 * FLAGS_PTRDIFF_T, - FLAGS_NILPADDING = 2 * FLAGS_INTMAX_T, - FLAGS_UNSIGNED = 2 * FLAGS_NILPADDING, - FLAGS_UPPER = 2 * FLAGS_UNSIGNED, - FLAGS_WIDTH = 2 * FLAGS_UPPER, - FLAGS_WIDTH_PARAMETER = 2 * FLAGS_WIDTH, - FLAGS_PRECISION = 2 * FLAGS_WIDTH_PARAMETER, - FLAGS_PRECISION_PARAMETER = 2 * FLAGS_PRECISION, - FLAGS_BASE = 2 * FLAGS_PRECISION_PARAMETER, - FLAGS_BASE_PARAMETER = 2 * FLAGS_BASE, - FLAGS_FLOAT_E = 2 * FLAGS_BASE_PARAMETER, - FLAGS_FLOAT_G = 2 * FLAGS_FLOAT_E, - FLAGS_QUOTE = 2 * FLAGS_FLOAT_G, - FLAGS_WIDECHAR = 2 * FLAGS_QUOTE, - FLAGS_ALLOC = 2 * FLAGS_WIDECHAR, - FLAGS_IGNORE = 2 * FLAGS_ALLOC, - FLAGS_IGNORE_PARAMETER = 2 * FLAGS_IGNORE, - FLAGS_VARSIZE_PARAMETER = 2 * FLAGS_IGNORE_PARAMETER, - FLAGS_FIXED_SIZE = 2 * FLAGS_VARSIZE_PARAMETER, - FLAGS_LAST = FLAGS_FIXED_SIZE, - /* Reused flags */ - FLAGS_EXCLUDE = FLAGS_SHORT, - FLAGS_USER_DEFINED = FLAGS_IGNORE, - FLAGS_ROUNDING = FLAGS_INTMAX_T, - /* Compounded flags */ - FLAGS_ALL_VARSIZES = FLAGS_LONG | FLAGS_QUAD | FLAGS_INTMAX_T | FLAGS_PTRDIFF_T | FLAGS_SIZE_T, - FLAGS_ALL_SIZES = FLAGS_ALL_VARSIZES | FLAGS_SHORTSHORT | FLAGS_SHORT, - - NO_POSITION = -1, - NO_WIDTH = 0, - NO_PRECISION = -1, - NO_SIZE = -1, - - /* Do not change these */ - NO_BASE = -1, - MIN_BASE = 2, - MAX_BASE = 36, - BASE_BINARY = 2, - BASE_OCTAL = 8, - BASE_DECIMAL = 10, - BASE_HEX = 16, - - /* Maximal number of allowed parameters */ - MAX_PARAMETERS = 64, - /* Maximal number of characters in class */ - MAX_CHARACTER_CLASS = UCHAR_MAX + 1, - - /* Maximal string lengths for user-defined specifiers */ - MAX_USER_NAME = 64, - MAX_USER_DATA = 256, - - /* Maximal length of locale separator strings */ - MAX_LOCALE_SEPARATOR_LENGTH = MB_LEN_MAX, - /* Maximal number of integers in grouping */ - MAX_LOCALE_GROUPS = 64, - - /* Initial size of asprintf buffer */ - DYNAMIC_START_SIZE = 32 -}; - -#define NO_GROUPING ((int)CHAR_MAX) - -/* Fundamental formatting parameter types */ -#define FORMAT_UNKNOWN 0 -#define FORMAT_INT 1 -#define FORMAT_DOUBLE 2 -#define FORMAT_CHAR 3 -#define FORMAT_STRING 4 -#define FORMAT_POINTER 5 -#define FORMAT_COUNT 6 -#define FORMAT_PARAMETER 7 -#define FORMAT_GROUP 8 -#if TRIO_GNU -# define FORMAT_ERRNO 9 -#endif -#if TRIO_EXTENSION -# define FORMAT_USER_DEFINED 10 -#endif - -/* Character constants */ -#define CHAR_IDENTIFIER '%' -#define CHAR_BACKSLASH '\\' -#define CHAR_QUOTE '\"' -#define CHAR_ADJUST ' ' - -/* Character class expressions */ -#define CLASS_ALNUM "[:alnum:]" -#define CLASS_ALPHA "[:alpha:]" -#define CLASS_BLANK "[:blank:]" -#define CLASS_CNTRL "[:cntrl:]" -#define CLASS_DIGIT "[:digit:]" -#define CLASS_GRAPH "[:graph:]" -#define CLASS_LOWER "[:lower:]" -#define CLASS_PRINT "[:print:]" -#define CLASS_PUNCT "[:punct:]" -#define CLASS_SPACE "[:space:]" -#define CLASS_UPPER "[:upper:]" -#define CLASS_XDIGIT "[:xdigit:]" - -/* - * SPECIFIERS: - * - * - * a Hex-float - * A Hex-float - * c Character - * C Widechar character (wint_t) - * d Decimal - * e Float - * E Float - * F Float - * F Float - * g Float - * G Float - * i Integer - * m Error message - * n Count - * o Octal - * p Pointer - * s String - * S Widechar string (wchar_t *) - * u Unsigned - * x Hex - * X Hex - * [] Group - * <> User-defined - * - * Reserved: - * - * D Binary Coded Decimal %D(length,precision) (OS/390) - */ -#define SPECIFIER_CHAR 'c' -#define SPECIFIER_STRING 's' -#define SPECIFIER_DECIMAL 'd' -#define SPECIFIER_INTEGER 'i' -#define SPECIFIER_UNSIGNED 'u' -#define SPECIFIER_OCTAL 'o' -#define SPECIFIER_HEX 'x' -#define SPECIFIER_HEX_UPPER 'X' -#define SPECIFIER_FLOAT_E 'e' -#define SPECIFIER_FLOAT_E_UPPER 'E' -#define SPECIFIER_FLOAT_F 'f' -#define SPECIFIER_FLOAT_F_UPPER 'F' -#define SPECIFIER_FLOAT_G 'g' -#define SPECIFIER_FLOAT_G_UPPER 'G' -#define SPECIFIER_POINTER 'p' -#define SPECIFIER_GROUP '[' -#define SPECIFIER_UNGROUP ']' -#define SPECIFIER_COUNT 'n' -#if TRIO_UNIX98 -# define SPECIFIER_CHAR_UPPER 'C' -# define SPECIFIER_STRING_UPPER 'S' -#endif -#if TRIO_C99 -# define SPECIFIER_HEXFLOAT 'a' -# define SPECIFIER_HEXFLOAT_UPPER 'A' -#endif -#if TRIO_GNU -# define SPECIFIER_ERRNO 'm' -#endif -#if TRIO_EXTENSION -# define SPECIFIER_BINARY 'b' -# define SPECIFIER_BINARY_UPPER 'B' -# define SPECIFIER_USER_DEFINED_BEGIN '<' -# define SPECIFIER_USER_DEFINED_END '>' -# define SPECIFIER_USER_DEFINED_SEPARATOR ':' -#endif - -/* - * QUALIFIERS: - * - * - * Numbers = d,i,o,u,x,X - * Float = a,A,e,E,f,F,g,G - * String = s - * Char = c - * - * - * 9$ Position - * Use the 9th parameter. 9 can be any number between 1 and - * the maximal argument - * - * 9 Width - * Set width to 9. 9 can be any number, but must not be postfixed - * by '$' - * - * h Short - * Numbers: - * (unsigned) short int - * - * hh Short short - * Numbers: - * (unsigned) char - * - * l Long - * Numbers: - * (unsigned) long int - * String: - * as the S specifier - * Char: - * as the C specifier - * - * ll Long Long - * Numbers: - * (unsigned) long long int - * - * L Long Double - * Float - * long double - * - * # Alternative - * Float: - * Decimal-point is always present - * String: - * non-printable characters are handled as \number - * - * Spacing - * - * + Sign - * - * - Alignment - * - * . Precision - * - * * Parameter - * print: use parameter - * scan: no parameter (ignore) - * - * q Quad - * - * Z size_t - * - * w Widechar - * - * ' Thousands/quote - * Numbers: - * Integer part grouped in thousands - * Binary numbers: - * Number grouped in nibbles (4 bits) - * String: - * Quoted string - * - * j intmax_t - * t prtdiff_t - * z size_t - * - * ! Sticky - * @ Parameter (for both print and scan) - * - * I n-bit Integer - * Numbers: - * The following options exists - * I8 = 8-bit integer - * I16 = 16-bit integer - * I32 = 32-bit integer - * I64 = 64-bit integer - */ -#define QUALIFIER_POSITION '$' -#define QUALIFIER_SHORT 'h' -#define QUALIFIER_LONG 'l' -#define QUALIFIER_LONG_UPPER 'L' -#define QUALIFIER_ALTERNATIVE '#' -#define QUALIFIER_SPACE ' ' -#define QUALIFIER_PLUS '+' -#define QUALIFIER_MINUS '-' -#define QUALIFIER_DOT '.' -#define QUALIFIER_STAR '*' -#define QUALIFIER_CIRCUMFLEX '^' /* For scanlists */ -#if TRIO_C99 -# define QUALIFIER_SIZE_T 'z' -# define QUALIFIER_PTRDIFF_T 't' -# define QUALIFIER_INTMAX_T 'j' -#endif -#if TRIO_BSD || TRIO_GNU -# define QUALIFIER_QUAD 'q' -#endif -#if TRIO_GNU -# define QUALIFIER_SIZE_T_UPPER 'Z' -#endif -#if TRIO_MISC -# define QUALIFIER_WIDECHAR 'w' -#endif -#if TRIO_MICROSOFT -# define QUALIFIER_FIXED_SIZE 'I' -#endif -#if TRIO_EXTENSION -# define QUALIFIER_QUOTE '\'' -# define QUALIFIER_STICKY '!' -# define QUALIFIER_VARSIZE '&' /* This should remain undocumented */ -# define QUALIFIER_PARAM '@' /* Experimental */ -# define QUALIFIER_COLON ':' /* For scanlists */ -# define QUALIFIER_EQUAL '=' /* For scanlists */ -# define QUALIFIER_ROUNDING_UPPER 'R' -#endif - - -/************************************************************************* - * - * Internal Structures - * - *************************************************************************/ - -/* Parameters */ -typedef struct { - /* An indication of which entry in the data union is used */ - int type; - /* The flags */ - trio_flags_t flags; - /* The width qualifier */ - int width; - /* The precision qualifier */ - int precision; - /* The base qualifier */ - int base; - /* The size for the variable size qualifier */ - int varsize; - /* The marker of the end of the specifier */ - int indexAfterSpecifier; - /* The data from the argument list */ - union { - char *string; -#if TRIO_WIDECHAR - trio_wchar_t *wstring; -#endif - trio_pointer_t pointer; - union { - trio_intmax_t as_signed; - trio_uintmax_t as_unsigned; - } number; - double doubleNumber; - double *doublePointer; - trio_long_double_t longdoubleNumber; - trio_long_double_t *longdoublePointer; - int errorNumber; - } data; - /* For the user-defined specifier */ - char user_name[MAX_USER_NAME]; - char user_data[MAX_USER_DATA]; -} trio_parameter_t; - -/* Container for customized functions */ -typedef struct { - union { - trio_outstream_t out; - trio_instream_t in; - } stream; - trio_pointer_t closure; -} trio_custom_t; - -/* General trio "class" */ -typedef struct _trio_class_t { - /* - * The function to write characters to a stream. - */ - void (*OutStream) TRIO_PROTO((struct _trio_class_t *, int)); - /* - * The function to read characters from a stream. - */ - void (*InStream) TRIO_PROTO((struct _trio_class_t *, int *)); - /* - * The current location in the stream. - */ - trio_pointer_t location; - /* - * The character currently being processed. - */ - int current; - /* - * The number of characters that would have been written/read - * if there had been sufficient space. - */ - int processed; - /* - * The number of characters that are actually written/read. - * Processed and committed will only differ for the *nprintf - * and *nscanf functions. - */ - int committed; - /* - * The upper limit of characters that may be written/read. - */ - int max; - /* - * The last output error that was detected. - */ - int error; -} trio_class_t; - -/* References (for user-defined callbacks) */ -typedef struct _trio_reference_t { - trio_class_t *data; - trio_parameter_t *parameter; -} trio_reference_t; - -/* Registered entries (for user-defined callbacks) */ -typedef struct _trio_userdef_t { - struct _trio_userdef_t *next; - trio_callback_t callback; - char *name; -} trio_userdef_t; - -/************************************************************************* - * - * Internal Variables - * - *************************************************************************/ - -static TRIO_CONST char rcsid[] = "@(#)$Id$"; - -/* - * Need this to workaround a parser bug in HP C/iX compiler that fails - * to resolves macro definitions that includes type 'long double', - * e.g: va_arg(arg_ptr, long double) - */ -#if defined(TRIO_PLATFORM_MPEIX) -static TRIO_CONST trio_long_double_t ___dummy_long_double = 0; -#endif - -static TRIO_CONST char internalNullString[] = "(nil)"; - -#if defined(USE_LOCALE) -static struct lconv *internalLocaleValues = NULL; -#endif - -/* - * UNIX98 says "in a locale where the radix character is not defined, - * the radix character defaults to a period (.)" - */ -static int internalDecimalPointLength = 1; -static int internalThousandSeparatorLength = 1; -static char internalDecimalPoint = '.'; -static char internalDecimalPointString[MAX_LOCALE_SEPARATOR_LENGTH + 1] = "."; -static char internalThousandSeparator[MAX_LOCALE_SEPARATOR_LENGTH + 1] = ","; -static char internalGrouping[MAX_LOCALE_GROUPS] = { (char)NO_GROUPING }; - -static TRIO_CONST char internalDigitsLower[] = "0123456789abcdefghijklmnopqrstuvwxyz"; -static TRIO_CONST char internalDigitsUpper[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; -static BOOLEAN_T internalDigitsUnconverted = TRUE; -static int internalDigitArray[128]; -#if TRIO_EXTENSION -static BOOLEAN_T internalCollationUnconverted = TRUE; -static char internalCollationArray[MAX_CHARACTER_CLASS][MAX_CHARACTER_CLASS]; -#endif - -#if TRIO_EXTENSION -static TRIO_VOLATILE trio_callback_t internalEnterCriticalRegion = NULL; -static TRIO_VOLATILE trio_callback_t internalLeaveCriticalRegion = NULL; -static trio_userdef_t *internalUserDef = NULL; -#endif - - -/************************************************************************* - * - * Internal Functions - * - ************************************************************************/ - -#if defined(TRIO_MINIMAL) -# define TRIO_STRING_PUBLIC static -# include "triostr.c" -#endif /* defined(TRIO_MINIMAL) */ - -/************************************************************************* - * TrioIsQualifier - * - * Description: - * Remember to add all new qualifiers to this function. - * QUALIFIER_POSITION must not be added. - */ -TRIO_PRIVATE BOOLEAN_T -TrioIsQualifier -TRIO_ARGS1((character), - TRIO_CONST char character) -{ - /* QUALIFIER_POSITION is not included */ - switch (character) - { - case '0': case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - case QUALIFIER_PLUS: - case QUALIFIER_MINUS: - case QUALIFIER_SPACE: - case QUALIFIER_DOT: - case QUALIFIER_STAR: - case QUALIFIER_ALTERNATIVE: - case QUALIFIER_SHORT: - case QUALIFIER_LONG: - case QUALIFIER_LONG_UPPER: - case QUALIFIER_CIRCUMFLEX: -#if defined(QUALIFIER_SIZE_T) - case QUALIFIER_SIZE_T: -#endif -#if defined(QUALIFIER_PTRDIFF_T) - case QUALIFIER_PTRDIFF_T: -#endif -#if defined(QUALIFIER_INTMAX_T) - case QUALIFIER_INTMAX_T: -#endif -#if defined(QUALIFIER_QUAD) - case QUALIFIER_QUAD: -#endif -#if defined(QUALIFIER_SIZE_T_UPPER) - case QUALIFIER_SIZE_T_UPPER: -#endif -#if defined(QUALIFIER_WIDECHAR) - case QUALIFIER_WIDECHAR: -#endif -#if defined(QUALIFIER_QUOTE) - case QUALIFIER_QUOTE: -#endif -#if defined(QUALIFIER_STICKY) - case QUALIFIER_STICKY: -#endif -#if defined(QUALIFIER_VARSIZE) - case QUALIFIER_VARSIZE: -#endif -#if defined(QUALIFIER_PARAM) - case QUALIFIER_PARAM: -#endif -#if defined(QUALIFIER_FIXED_SIZE) - case QUALIFIER_FIXED_SIZE: -#endif -#if defined(QUALIFIER_ROUNDING_UPPER) - case QUALIFIER_ROUNDING_UPPER: -#endif - return TRUE; - default: - return FALSE; - } -} - -/************************************************************************* - * TrioSetLocale - */ -#if defined(USE_LOCALE) -TRIO_PRIVATE void -TrioSetLocale(TRIO_NOARGS) -{ - internalLocaleValues = (struct lconv *)localeconv(); - if (internalLocaleValues) - { - if ((internalLocaleValues->decimal_point) && - (internalLocaleValues->decimal_point[0] != NIL)) - { - internalDecimalPointLength = trio_length(internalLocaleValues->decimal_point); - if (internalDecimalPointLength == 1) - { - internalDecimalPoint = internalLocaleValues->decimal_point[0]; - } - else - { - internalDecimalPoint = NIL; - trio_copy_max(internalDecimalPointString, - sizeof(internalDecimalPointString), - internalLocaleValues->decimal_point); - } - } - if ((internalLocaleValues->thousands_sep) && - (internalLocaleValues->thousands_sep[0] != NIL)) - { - trio_copy_max(internalThousandSeparator, - sizeof(internalThousandSeparator), - internalLocaleValues->thousands_sep); - internalThousandSeparatorLength = trio_length(internalThousandSeparator); - } - if ((internalLocaleValues->grouping) && - (internalLocaleValues->grouping[0] != NIL)) - { - trio_copy_max(internalGrouping, - sizeof(internalGrouping), - internalLocaleValues->grouping); - } - } -} -#endif /* defined(USE_LOCALE) */ - -TRIO_PRIVATE int -TrioCalcThousandSeparatorLength -TRIO_ARGS1((digits), - int digits) -{ -#if TRIO_EXTENSION - int count = 0; - int step = NO_GROUPING; - char *groupingPointer = internalGrouping; - - while (digits > 0) - { - if (*groupingPointer == CHAR_MAX) - { - /* Disable grouping */ - break; /* while */ - } - else if (*groupingPointer == 0) - { - /* Repeat last group */ - if (step == NO_GROUPING) - { - /* Error in locale */ - break; /* while */ - } - } - else - { - step = *groupingPointer++; - } - if (digits > step) - count += internalThousandSeparatorLength; - digits -= step; - } - return count; -#else - return 0; -#endif -} - -TRIO_PRIVATE BOOLEAN_T -TrioFollowedBySeparator -TRIO_ARGS1((position), - int position) -{ -#if TRIO_EXTENSION - int step = 0; - char *groupingPointer = internalGrouping; - - position--; - if (position == 0) - return FALSE; - while (position > 0) - { - if (*groupingPointer == CHAR_MAX) - { - /* Disable grouping */ - break; /* while */ - } - else if (*groupingPointer != 0) - { - step = *groupingPointer++; - } - if (step == 0) - break; - position -= step; - } - return (position == 0); -#else - return FALSE; -#endif -} - -/************************************************************************* - * TrioGetPosition - * - * Get the %n$ position. - */ -TRIO_PRIVATE int -TrioGetPosition -TRIO_ARGS2((format, indexPointer), - TRIO_CONST char *format, - int *indexPointer) -{ -#if TRIO_UNIX98 - char *tmpformat; - int number = 0; - int index = *indexPointer; - - number = (int)trio_to_long(&format[index], &tmpformat, BASE_DECIMAL); - index = (int)(tmpformat - format); - if ((number != 0) && (QUALIFIER_POSITION == format[index++])) - { - *indexPointer = index; - /* - * number is decreased by 1, because n$ starts from 1, whereas - * the array it is indexing starts from 0. - */ - return number - 1; - } -#endif - return NO_POSITION; -} - -#if TRIO_EXTENSION -/************************************************************************* - * TrioFindNamespace - * - * Find registered user-defined specifier. - * The prev argument is used for optimization only. - */ -TRIO_PRIVATE trio_userdef_t * -TrioFindNamespace -TRIO_ARGS2((name, prev), - TRIO_CONST char *name, - trio_userdef_t **prev) -{ - trio_userdef_t *def; - - if (internalEnterCriticalRegion) - (void)internalEnterCriticalRegion(NULL); - - for (def = internalUserDef; def; def = def->next) - { - /* Case-sensitive string comparison */ - if (trio_equal_case(def->name, name)) - break; - - if (prev) - *prev = def; - } - - if (internalLeaveCriticalRegion) - (void)internalLeaveCriticalRegion(NULL); - - return def; -} -#endif - -/************************************************************************* - * TrioPower - * - * Description: - * Calculate pow(base, exponent), where number and exponent are integers. - */ -TRIO_PRIVATE trio_long_double_t -TrioPower -TRIO_ARGS2((number, exponent), - int number, - int exponent) -{ - trio_long_double_t result; - - if (number == 10) - { - switch (exponent) - { - /* Speed up calculation of common cases */ - case 0: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E-1); - break; - case 1: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+0); - break; - case 2: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+1); - break; - case 3: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+2); - break; - case 4: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+3); - break; - case 5: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+4); - break; - case 6: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+5); - break; - case 7: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+6); - break; - case 8: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+7); - break; - case 9: - result = (trio_long_double_t)number * TRIO_SUFFIX_LONG(1E+8); - break; - default: - result = powl((trio_long_double_t)number, - (trio_long_double_t)exponent); - break; - } - } - else - { - return powl((trio_long_double_t)number, (trio_long_double_t)exponent); - } - return result; -} - -/************************************************************************* - * TrioLogarithm - */ -TRIO_PRIVATE double -TrioLogarithm -TRIO_ARGS2((number, base), - double number, - int base) -{ - double result; - - if (number <= 0.0) - { - /* xlC crashes on log(0) */ - result = (number == 0.0) ? trio_ninf() : trio_nan(); - } - else - { - if (base == 10) - { - result = log10(number); - } - else - { - result = log10(number) / log10((double)base); - } - } - return result; -} - -/************************************************************************* - * TrioLogarithmBase - */ -TRIO_PRIVATE double -TrioLogarithmBase -TRIO_ARGS1((base), - int base) -{ - switch (base) - { - case BASE_BINARY : return 1.0; - case BASE_OCTAL : return 3.0; - case BASE_DECIMAL: return 3.321928094887362345; - case BASE_HEX : return 4.0; - default : return TrioLogarithm((double)base, 2); - } -} - -/************************************************************************* - * TrioParse - * - * Description: - * Parse the format string - */ -TRIO_PRIVATE int -TrioParse -TRIO_ARGS5((type, format, parameters, arglist, argarray), - int type, - TRIO_CONST char *format, - trio_parameter_t *parameters, - TRIO_VA_LIST_PTR arglist, - trio_pointer_t *argarray) -{ - /* Count the number of times a parameter is referenced */ - unsigned short usedEntries[MAX_PARAMETERS]; - /* Parameter counters */ - int parameterPosition; - int currentParam; - int maxParam = -1; - /* Utility variables */ - trio_flags_t flags; - int width; - int precision; - int varsize; - int base; - int index; /* Index into formatting string */ - int dots; /* Count number of dots in modifier part */ - BOOLEAN_T positional; /* Does the specifier have a positional? */ - BOOLEAN_T gotSticky = FALSE; /* Are there any sticky modifiers at all? */ - /* - * indices specifies the order in which the parameters must be - * read from the va_args (this is necessary to handle positionals) - */ - int indices[MAX_PARAMETERS]; - int pos = 0; - /* Various variables */ - char ch; -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - int charlen; -#endif - int save_errno; - int i = -1; - int num; - char *tmpformat; - - /* One and only one of arglist and argarray must be used */ - assert((arglist != NULL) ^ (argarray != NULL)); - - /* - * The 'parameters' array is not initialized, but we need to - * know which entries we have used. - */ - memset(usedEntries, 0, sizeof(usedEntries)); - - save_errno = errno; - index = 0; - parameterPosition = 0; -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - (void)mblen(NULL, 0); -#endif - - while (format[index]) - { -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - if (! isascii(format[index])) - { - /* - * Multibyte characters cannot be legal specifiers or - * modifiers, so we skip over them. - */ - charlen = mblen(&format[index], MB_LEN_MAX); - index += (charlen > 0) ? charlen : 1; - continue; /* while */ - } -#endif /* TRIO_COMPILER_SUPPORTS_MULTIBYTE */ - if (CHAR_IDENTIFIER == format[index++]) - { - if (CHAR_IDENTIFIER == format[index]) - { - index++; - continue; /* while */ - } - - flags = FLAGS_NEW; - dots = 0; - currentParam = TrioGetPosition(format, &index); - positional = (NO_POSITION != currentParam); - if (!positional) - { - /* We have no positional, get the next counter */ - currentParam = parameterPosition; - } - if(currentParam >= MAX_PARAMETERS) - { - /* Bail out completely to make the error more obvious */ - return TRIO_ERROR_RETURN(TRIO_ETOOMANY, index); - } - - if (currentParam > maxParam) - maxParam = currentParam; - - /* Default values */ - width = NO_WIDTH; - precision = NO_PRECISION; - base = NO_BASE; - varsize = NO_SIZE; - - while (TrioIsQualifier(format[index])) - { - ch = format[index++]; - - switch (ch) - { - case QUALIFIER_SPACE: - flags |= FLAGS_SPACE; - break; - - case QUALIFIER_PLUS: - flags |= FLAGS_SHOWSIGN; - break; - - case QUALIFIER_MINUS: - flags |= FLAGS_LEFTADJUST; - flags &= ~FLAGS_NILPADDING; - break; - - case QUALIFIER_ALTERNATIVE: - flags |= FLAGS_ALTERNATIVE; - break; - - case QUALIFIER_DOT: - if (dots == 0) /* Precision */ - { - dots++; - - /* Skip if no precision */ - if (QUALIFIER_DOT == format[index]) - break; - - /* After the first dot we have the precision */ - flags |= FLAGS_PRECISION; - if ((QUALIFIER_STAR == format[index]) -#if defined(QUALIFIER_PARAM) - || (QUALIFIER_PARAM == format[index]) -#endif - ) - { - index++; - flags |= FLAGS_PRECISION_PARAMETER; - - precision = TrioGetPosition(format, &index); - if (precision == NO_POSITION) - { - parameterPosition++; - if (positional) - precision = parameterPosition; - else - { - precision = currentParam; - currentParam = precision + 1; - } - } - else - { - if (! positional) - currentParam = precision + 1; - if (width > maxParam) - maxParam = precision; - } - if (currentParam > maxParam) - maxParam = currentParam; - } - else - { - precision = trio_to_long(&format[index], - &tmpformat, - BASE_DECIMAL); - index = (int)(tmpformat - format); - } - } - else if (dots == 1) /* Base */ - { - dots++; - - /* After the second dot we have the base */ - flags |= FLAGS_BASE; - if ((QUALIFIER_STAR == format[index]) -#if defined(QUALIFIER_PARAM) - || (QUALIFIER_PARAM == format[index]) -#endif - ) - { - index++; - flags |= FLAGS_BASE_PARAMETER; - base = TrioGetPosition(format, &index); - if (base == NO_POSITION) - { - parameterPosition++; - if (positional) - base = parameterPosition; - else - { - base = currentParam; - currentParam = base + 1; - } - } - else - { - if (! positional) - currentParam = base + 1; - if (base > maxParam) - maxParam = base; - } - if (currentParam > maxParam) - maxParam = currentParam; - } - else - { - base = trio_to_long(&format[index], - &tmpformat, - BASE_DECIMAL); - if (base > MAX_BASE) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - index = (int)(tmpformat - format); - } - } - else - { - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - break; /* QUALIFIER_DOT */ - -#if defined(QUALIFIER_PARAM) - case QUALIFIER_PARAM: - type = TYPE_PRINT; - /* FALLTHROUGH */ -#endif - case QUALIFIER_STAR: - /* This has different meanings for print and scan */ - if (TYPE_PRINT == type) - { - /* Read with from parameter */ - flags |= (FLAGS_WIDTH | FLAGS_WIDTH_PARAMETER); - width = TrioGetPosition(format, &index); - if (width == NO_POSITION) - { - parameterPosition++; - if (positional) - width = parameterPosition; - else - { - width = currentParam; - currentParam = width + 1; - } - } - else - { - if (! positional) - currentParam = width + 1; - if (width > maxParam) - maxParam = width; - } - if (currentParam > maxParam) - maxParam = currentParam; - } - else - { - /* Scan, but do not store result */ - flags |= FLAGS_IGNORE; - } - - break; /* QUALIFIER_STAR */ - - case '0': - if (! (flags & FLAGS_LEFTADJUST)) - flags |= FLAGS_NILPADDING; - /* FALLTHROUGH */ - case '1': case '2': case '3': case '4': - case '5': case '6': case '7': case '8': case '9': - flags |= FLAGS_WIDTH; - /* &format[index - 1] is used to "rewind" the read - * character from format - */ - width = trio_to_long(&format[index - 1], - &tmpformat, - BASE_DECIMAL); - index = (int)(tmpformat - format); - break; - - case QUALIFIER_SHORT: - if (flags & FLAGS_SHORTSHORT) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - else if (flags & FLAGS_SHORT) - flags |= FLAGS_SHORTSHORT; - else - flags |= FLAGS_SHORT; - break; - - case QUALIFIER_LONG: - if (flags & FLAGS_QUAD) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - else if (flags & FLAGS_LONG) - flags |= FLAGS_QUAD; - else - flags |= FLAGS_LONG; - break; - - case QUALIFIER_LONG_UPPER: - flags |= FLAGS_LONGDOUBLE; - break; - -#if defined(QUALIFIER_SIZE_T) - case QUALIFIER_SIZE_T: - flags |= FLAGS_SIZE_T; - /* Modify flags for later truncation of number */ - if (sizeof(size_t) == sizeof(trio_ulonglong_t)) - flags |= FLAGS_QUAD; - else if (sizeof(size_t) == sizeof(long)) - flags |= FLAGS_LONG; - break; -#endif - -#if defined(QUALIFIER_PTRDIFF_T) - case QUALIFIER_PTRDIFF_T: - flags |= FLAGS_PTRDIFF_T; - if (sizeof(ptrdiff_t) == sizeof(trio_ulonglong_t)) - flags |= FLAGS_QUAD; - else if (sizeof(ptrdiff_t) == sizeof(long)) - flags |= FLAGS_LONG; - break; -#endif - -#if defined(QUALIFIER_INTMAX_T) - case QUALIFIER_INTMAX_T: - flags |= FLAGS_INTMAX_T; - if (sizeof(trio_intmax_t) == sizeof(trio_ulonglong_t)) - flags |= FLAGS_QUAD; - else if (sizeof(trio_intmax_t) == sizeof(long)) - flags |= FLAGS_LONG; - break; -#endif - -#if defined(QUALIFIER_QUAD) - case QUALIFIER_QUAD: - flags |= FLAGS_QUAD; - break; -#endif - -#if defined(QUALIFIER_FIXED_SIZE) - case QUALIFIER_FIXED_SIZE: - if (flags & FLAGS_FIXED_SIZE) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - - if (flags & (FLAGS_ALL_SIZES | FLAGS_LONGDOUBLE | - FLAGS_WIDECHAR | FLAGS_VARSIZE_PARAMETER)) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - - if ((format[index] == '6') && - (format[index + 1] == '4')) - { - varsize = sizeof(trio_int64_t); - index += 2; - } - else if ((format[index] == '3') && - (format[index + 1] == '2')) - { - varsize = sizeof(trio_int32_t); - index += 2; - } - else if ((format[index] == '1') && - (format[index + 1] == '6')) - { - varsize = sizeof(trio_int16_t); - index += 2; - } - else if (format[index] == '8') - { - varsize = sizeof(trio_int8_t); - index++; - } - else - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - - flags |= FLAGS_FIXED_SIZE; - break; -#endif - -#if defined(QUALIFIER_WIDECHAR) - case QUALIFIER_WIDECHAR: - flags |= FLAGS_WIDECHAR; - break; -#endif - -#if defined(QUALIFIER_SIZE_T_UPPER) - case QUALIFIER_SIZE_T_UPPER: - break; -#endif - -#if defined(QUALIFIER_QUOTE) - case QUALIFIER_QUOTE: - flags |= FLAGS_QUOTE; - break; -#endif - -#if defined(QUALIFIER_STICKY) - case QUALIFIER_STICKY: - flags |= FLAGS_STICKY; - gotSticky = TRUE; - break; -#endif - -#if defined(QUALIFIER_VARSIZE) - case QUALIFIER_VARSIZE: - flags |= FLAGS_VARSIZE_PARAMETER; - parameterPosition++; - if (positional) - varsize = parameterPosition; - else - { - varsize = currentParam; - currentParam = varsize + 1; - } - if (currentParam > maxParam) - maxParam = currentParam; - break; -#endif - -#if defined(QUALIFIER_ROUNDING_UPPER) - case QUALIFIER_ROUNDING_UPPER: - flags |= FLAGS_ROUNDING; - break; -#endif - - default: - /* Bail out completely to make the error more obvious */ - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - } /* while qualifier */ - - /* - * Parameters only need the type and value. The value is - * read later. - */ - if (flags & FLAGS_WIDTH_PARAMETER) - { - usedEntries[width] += 1; - parameters[pos].type = FORMAT_PARAMETER; - parameters[pos].flags = 0; - indices[width] = pos; - width = pos++; - } - if (flags & FLAGS_PRECISION_PARAMETER) - { - usedEntries[precision] += 1; - parameters[pos].type = FORMAT_PARAMETER; - parameters[pos].flags = 0; - indices[precision] = pos; - precision = pos++; - } - if (flags & FLAGS_BASE_PARAMETER) - { - usedEntries[base] += 1; - parameters[pos].type = FORMAT_PARAMETER; - parameters[pos].flags = 0; - indices[base] = pos; - base = pos++; - } - if (flags & FLAGS_VARSIZE_PARAMETER) - { - usedEntries[varsize] += 1; - parameters[pos].type = FORMAT_PARAMETER; - parameters[pos].flags = 0; - indices[varsize] = pos; - varsize = pos++; - } - - indices[currentParam] = pos; - - switch (format[index++]) - { -#if defined(SPECIFIER_CHAR_UPPER) - case SPECIFIER_CHAR_UPPER: - flags |= FLAGS_WIDECHAR; - /* FALLTHROUGH */ -#endif - case SPECIFIER_CHAR: - if (flags & FLAGS_LONG) - flags |= FLAGS_WIDECHAR; - else if (flags & FLAGS_SHORT) - flags &= ~FLAGS_WIDECHAR; - parameters[pos].type = FORMAT_CHAR; - break; - -#if defined(SPECIFIER_STRING_UPPER) - case SPECIFIER_STRING_UPPER: - flags |= FLAGS_WIDECHAR; - /* FALLTHROUGH */ -#endif - case SPECIFIER_STRING: - if (flags & FLAGS_LONG) - flags |= FLAGS_WIDECHAR; - else if (flags & FLAGS_SHORT) - flags &= ~FLAGS_WIDECHAR; - parameters[pos].type = FORMAT_STRING; - break; - - case SPECIFIER_GROUP: - if (TYPE_SCAN == type) - { - int depth = 1; - parameters[pos].type = FORMAT_GROUP; - if (format[index] == QUALIFIER_CIRCUMFLEX) - index++; - if (format[index] == SPECIFIER_UNGROUP) - index++; - if (format[index] == QUALIFIER_MINUS) - index++; - /* Skip nested brackets */ - while (format[index] != NIL) - { - if (format[index] == SPECIFIER_GROUP) - { - depth++; - } - else if (format[index] == SPECIFIER_UNGROUP) - { - if (--depth <= 0) - { - index++; - break; - } - } - index++; - } - } - break; - - case SPECIFIER_INTEGER: - parameters[pos].type = FORMAT_INT; - break; - - case SPECIFIER_UNSIGNED: - flags |= FLAGS_UNSIGNED; - parameters[pos].type = FORMAT_INT; - break; - - case SPECIFIER_DECIMAL: - /* Disable base modifier */ - flags &= ~FLAGS_BASE_PARAMETER; - base = BASE_DECIMAL; - parameters[pos].type = FORMAT_INT; - break; - - case SPECIFIER_OCTAL: - flags |= FLAGS_UNSIGNED; - flags &= ~FLAGS_BASE_PARAMETER; - base = BASE_OCTAL; - parameters[pos].type = FORMAT_INT; - break; - -#if defined(SPECIFIER_BINARY) - case SPECIFIER_BINARY_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ - case SPECIFIER_BINARY: - flags |= FLAGS_NILPADDING; - flags &= ~FLAGS_BASE_PARAMETER; - base = BASE_BINARY; - parameters[pos].type = FORMAT_INT; - break; -#endif - - case SPECIFIER_HEX_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ - case SPECIFIER_HEX: - flags |= FLAGS_UNSIGNED; - flags &= ~FLAGS_BASE_PARAMETER; - base = BASE_HEX; - parameters[pos].type = FORMAT_INT; - break; - - case SPECIFIER_FLOAT_E_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ - case SPECIFIER_FLOAT_E: - flags |= FLAGS_FLOAT_E; - parameters[pos].type = FORMAT_DOUBLE; - break; - - case SPECIFIER_FLOAT_G_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ - case SPECIFIER_FLOAT_G: - flags |= FLAGS_FLOAT_G; - parameters[pos].type = FORMAT_DOUBLE; - break; - - case SPECIFIER_FLOAT_F_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ - case SPECIFIER_FLOAT_F: - parameters[pos].type = FORMAT_DOUBLE; - break; - - case SPECIFIER_POINTER: - if (sizeof(trio_pointer_t) == sizeof(trio_ulonglong_t)) - flags |= FLAGS_QUAD; - else if (sizeof(trio_pointer_t) == sizeof(long)) - flags |= FLAGS_LONG; - parameters[pos].type = FORMAT_POINTER; - break; - - case SPECIFIER_COUNT: - parameters[pos].type = FORMAT_COUNT; - break; - -#if defined(SPECIFIER_HEXFLOAT) -# if defined(SPECIFIER_HEXFLOAT_UPPER) - case SPECIFIER_HEXFLOAT_UPPER: - flags |= FLAGS_UPPER; - /* FALLTHROUGH */ -# endif - case SPECIFIER_HEXFLOAT: - base = BASE_HEX; - parameters[pos].type = FORMAT_DOUBLE; - break; -#endif - -#if defined(FORMAT_ERRNO) - case SPECIFIER_ERRNO: - parameters[pos].type = FORMAT_ERRNO; - break; -#endif - -#if defined(SPECIFIER_USER_DEFINED_BEGIN) - case SPECIFIER_USER_DEFINED_BEGIN: - { - unsigned int max; - int without_namespace = TRUE; - - parameters[pos].type = FORMAT_USER_DEFINED; - parameters[pos].user_name[0] = NIL; - tmpformat = (char *)&format[index]; - - while ((ch = format[index])) - { - index++; - if (ch == SPECIFIER_USER_DEFINED_END) - { - if (without_namespace) - { - /* We must get the handle first */ - parameters[pos].type = FORMAT_PARAMETER; - parameters[pos].indexAfterSpecifier = index; - parameters[pos].flags = FLAGS_USER_DEFINED; - /* Adjust parameters for insertion of new one */ - pos++; - usedEntries[currentParam] += 1; - parameters[pos].type = FORMAT_USER_DEFINED; - currentParam++; - indices[currentParam] = pos; - if (currentParam > maxParam) - maxParam = currentParam; - } - /* Copy the user data */ - max = (unsigned int)(&format[index] - tmpformat); - if (max > MAX_USER_DATA) - max = MAX_USER_DATA; - trio_copy_max(parameters[pos].user_data, - max, - tmpformat); - break; /* while */ - } - if (ch == SPECIFIER_USER_DEFINED_SEPARATOR) - { - without_namespace = FALSE; - /* Copy the namespace for later looking-up */ - max = (int)(&format[index] - tmpformat); - if (max > MAX_USER_NAME) - max = MAX_USER_NAME; - trio_copy_max(parameters[pos].user_name, - max, - tmpformat); - tmpformat = (char *)&format[index]; - } - } - if (ch != SPECIFIER_USER_DEFINED_END) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - break; -#endif /* defined(SPECIFIER_USER_DEFINED_BEGIN) */ - - default: - /* Bail out completely to make the error more obvious */ - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - - /* Count the number of times this entry has been used */ - usedEntries[currentParam] += 1; - - /* Find last sticky parameters */ - if (gotSticky && !(flags & FLAGS_STICKY)) - { - for (i = pos - 1; i >= 0; i--) - { - if (parameters[i].type == FORMAT_PARAMETER) - continue; - if ((parameters[i].flags & FLAGS_STICKY) && - (parameters[i].type == parameters[pos].type)) - { - /* Do not overwrite current qualifiers */ - flags |= (parameters[i].flags & (unsigned long)~FLAGS_STICKY); - if (width == NO_WIDTH) - width = parameters[i].width; - if (precision == NO_PRECISION) - precision = parameters[i].precision; - if (base == NO_BASE) - base = parameters[i].base; - break; - } - } - } - - parameters[pos].indexAfterSpecifier = index; - parameters[pos].flags = flags; - parameters[pos].width = width; - parameters[pos].precision = precision; - parameters[pos].base = (base == NO_BASE) ? BASE_DECIMAL : base; - parameters[pos].varsize = varsize; - pos++; - - if (! positional) - parameterPosition++; - - } /* if identifier */ - - } /* while format characters left */ - - for (num = 0; num <= maxParam; num++) - { - if (usedEntries[num] != 1) - { - if (usedEntries[num] == 0) /* gap detected */ - return TRIO_ERROR_RETURN(TRIO_EGAP, num); - else /* double references detected */ - return TRIO_ERROR_RETURN(TRIO_EDBLREF, num); - } - - i = indices[num]; - - /* - * FORMAT_PARAMETERS are only present if they must be read, - * so it makes no sense to check the ignore flag (besides, - * the flags variable is not set for that particular type) - */ - if ((parameters[i].type != FORMAT_PARAMETER) && - (parameters[i].flags & FLAGS_IGNORE)) - continue; /* for all arguments */ - - /* - * The stack arguments are read according to ANSI C89 - * default argument promotions: - * - * char = int - * short = int - * unsigned char = unsigned int - * unsigned short = unsigned int - * float = double - * - * In addition to the ANSI C89 these types are read (the - * default argument promotions of C99 has not been - * considered yet) - * - * long long - * long double - * size_t - * ptrdiff_t - * intmax_t - */ - switch (parameters[i].type) - { - case FORMAT_GROUP: - case FORMAT_STRING: -#if TRIO_WIDECHAR - if (flags & FLAGS_WIDECHAR) - { - parameters[i].data.wstring = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), trio_wchar_t *) - : (trio_wchar_t *)(argarray[num]); - } - else -#endif - { - parameters[i].data.string = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), char *) - : (char *)(argarray[num]); - } - break; - -#if defined(FORMAT_USER_DEFINED) - case FORMAT_USER_DEFINED: -#endif - case FORMAT_POINTER: - case FORMAT_COUNT: - case FORMAT_UNKNOWN: - parameters[i].data.pointer = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), trio_pointer_t ) - : argarray[num]; - break; - - case FORMAT_CHAR: - case FORMAT_INT: - if (TYPE_SCAN == type) - { - if (argarray == NULL) - parameters[i].data.pointer = - (trio_pointer_t)va_arg(TRIO_VA_LIST_DEREF(arglist), trio_pointer_t); - else - { - if (parameters[i].type == FORMAT_CHAR) - parameters[i].data.pointer = - (trio_pointer_t)((char *)argarray[num]); - else if (parameters[i].flags & FLAGS_SHORT) - parameters[i].data.pointer = - (trio_pointer_t)((short *)argarray[num]); - else - parameters[i].data.pointer = - (trio_pointer_t)((int *)argarray[num]); - } - } - else - { -#if defined(QUALIFIER_VARSIZE) || defined(QUALIFIER_FIXED_SIZE) - if (parameters[i].flags - & (FLAGS_VARSIZE_PARAMETER | FLAGS_FIXED_SIZE)) - { - if (parameters[i].flags & FLAGS_VARSIZE_PARAMETER) - { - /* - * Variable sizes are mapped onto the fixed sizes, in - * accordance with integer promotion. - * - * Please note that this may not be portable, as we - * only guess the size, not the layout of the numbers. - * For example, if int is little-endian, and long is - * big-endian, then this will fail. - */ - varsize = (int)parameters[parameters[i].varsize].data.number.as_unsigned; - } - else - { - /* Used for the I<bits> modifiers */ - varsize = parameters[i].varsize; - } - parameters[i].flags &= ~FLAGS_ALL_VARSIZES; - - if (varsize <= (int)sizeof(int)) - ; - else if (varsize <= (int)sizeof(long)) - parameters[i].flags |= FLAGS_LONG; -#if defined(QUALIFIER_INTMAX_T) - else if (varsize <= (int)sizeof(trio_longlong_t)) - parameters[i].flags |= FLAGS_QUAD; - else - parameters[i].flags |= FLAGS_INTMAX_T; -#else - else - parameters[i].flags |= FLAGS_QUAD; -#endif - } -#endif /* defined(QUALIFIER_VARSIZE) */ -#if defined(QUALIFIER_SIZE_T) || defined(QUALIFIER_SIZE_T_UPPER) - if (parameters[i].flags & FLAGS_SIZE_T) - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), size_t) - : (trio_uintmax_t)(*((size_t *)argarray[num])); - else -#endif -#if defined(QUALIFIER_PTRDIFF_T) - if (parameters[i].flags & FLAGS_PTRDIFF_T) - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), ptrdiff_t) - : (trio_uintmax_t)(*((ptrdiff_t *)argarray[num])); - else -#endif -#if defined(QUALIFIER_INTMAX_T) - if (parameters[i].flags & FLAGS_INTMAX_T) - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), trio_intmax_t) - : (trio_uintmax_t)(*((trio_intmax_t *)argarray[num])); - else -#endif - if (parameters[i].flags & FLAGS_QUAD) - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), trio_ulonglong_t) - : (trio_uintmax_t)(*((trio_ulonglong_t *)argarray[num])); - else if (parameters[i].flags & FLAGS_LONG) - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), long) - : (trio_uintmax_t)(*((long *)argarray[num])); - else - { - if (argarray == NULL) - parameters[i].data.number.as_unsigned = (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), int); - else - { - if (parameters[i].type == FORMAT_CHAR) - parameters[i].data.number.as_unsigned = (trio_uintmax_t)(*((char *)argarray[num])); - else if (parameters[i].flags & FLAGS_SHORT) - parameters[i].data.number.as_unsigned = (trio_uintmax_t)(*((short *)argarray[num])); - else - parameters[i].data.number.as_unsigned = (trio_uintmax_t)(*((int *)argarray[num])); - } - } - } - break; - - case FORMAT_PARAMETER: - /* - * The parameter for the user-defined specifier is a pointer, - * whereas the rest (width, precision, base) uses an integer. - */ - if (parameters[i].flags & FLAGS_USER_DEFINED) - parameters[i].data.pointer = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), trio_pointer_t ) - : argarray[num]; - else - parameters[i].data.number.as_unsigned = (argarray == NULL) - ? (trio_uintmax_t)va_arg(TRIO_VA_LIST_DEREF(arglist), int) - : (trio_uintmax_t)(*((int *)argarray[num])); - break; - - case FORMAT_DOUBLE: - if (TYPE_SCAN == type) - { - if (parameters[i].flags & FLAGS_LONGDOUBLE) - parameters[i].data.longdoublePointer = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), trio_long_double_t *) - : (trio_long_double_t *)argarray[num]; - else - { - if (parameters[i].flags & FLAGS_LONG) - parameters[i].data.doublePointer = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), double *) - : (double *)argarray[num]; - else - parameters[i].data.doublePointer = (argarray == NULL) - ? (double *)va_arg(TRIO_VA_LIST_DEREF(arglist), float *) - : (double *)((float *)argarray[num]); - } - } - else - { - if (parameters[i].flags & FLAGS_LONGDOUBLE) - parameters[i].data.longdoubleNumber = (argarray == NULL) - ? va_arg(TRIO_VA_LIST_DEREF(arglist), trio_long_double_t) - : (trio_long_double_t)(*((trio_long_double_t *)argarray[num])); - else - { - if (argarray == NULL) - parameters[i].data.longdoubleNumber = - (trio_long_double_t)va_arg(TRIO_VA_LIST_DEREF(arglist), double); - else - { - if (parameters[i].flags & FLAGS_SHORT) - parameters[i].data.longdoubleNumber = - (trio_long_double_t)(*((float *)argarray[num])); - else - parameters[i].data.longdoubleNumber = - (trio_long_double_t)(*((double *)argarray[num])); - } - } - } - break; - -#if defined(FORMAT_ERRNO) - case FORMAT_ERRNO: - parameters[i].data.errorNumber = save_errno; - break; -#endif - - default: - break; - } - } /* for all specifiers */ - return num; -} - - -/************************************************************************* - * - * FORMATTING - * - ************************************************************************/ - - -/************************************************************************* - * TrioWriteNumber - * - * Description: - * Output a number. - * The complexity of this function is a result of the complexity - * of the dependencies of the flags. - */ -TRIO_PRIVATE void -TrioWriteNumber -TRIO_ARGS6((self, number, flags, width, precision, base), - trio_class_t *self, - trio_uintmax_t number, - trio_flags_t flags, - int width, - int precision, - int base) -{ - BOOLEAN_T isNegative; - BOOLEAN_T isNumberZero; - BOOLEAN_T isPrecisionZero; - BOOLEAN_T ignoreNumber; - char buffer[MAX_CHARS_IN(trio_uintmax_t) * (1 + MAX_LOCALE_SEPARATOR_LENGTH) + 1]; - char *bufferend; - char *pointer; - TRIO_CONST char *digits; - int i; - int length; - char *p; - int count; - - assert(VALID(self)); - assert(VALID(self->OutStream)); - assert(((base >= MIN_BASE) && (base <= MAX_BASE)) || (base == NO_BASE)); - - digits = (flags & FLAGS_UPPER) ? internalDigitsUpper : internalDigitsLower; - if (base == NO_BASE) - base = BASE_DECIMAL; - - isNumberZero = (number == 0); - isPrecisionZero = (precision == 0); - ignoreNumber = (isNumberZero - && isPrecisionZero - && !((flags & FLAGS_ALTERNATIVE) && (base == BASE_OCTAL))); - - if (flags & FLAGS_UNSIGNED) - { - isNegative = FALSE; - flags &= ~FLAGS_SHOWSIGN; - } - else - { - isNegative = ((trio_intmax_t)number < 0); - if (isNegative) - number = -((trio_intmax_t)number); - } - - if (flags & FLAGS_QUAD) - number &= (trio_ulonglong_t)-1; - else if (flags & FLAGS_LONG) - number &= (unsigned long)-1; - else - number &= (unsigned int)-1; - - /* Build number */ - pointer = bufferend = &buffer[sizeof(buffer) - 1]; - *pointer-- = NIL; - for (i = 1; i < (int)sizeof(buffer); i++) - { - *pointer-- = digits[number % base]; - number /= base; - if (number == 0) - break; - - if ((flags & FLAGS_QUOTE) && TrioFollowedBySeparator(i + 1)) - { - /* - * We are building the number from the least significant - * to the most significant digit, so we have to copy the - * thousand separator backwards - */ - length = internalThousandSeparatorLength; - if (((int)(pointer - buffer) - length) > 0) - { - p = &internalThousandSeparator[length - 1]; - while (length-- > 0) - *pointer-- = *p--; - } - } - } - - if (! ignoreNumber) - { - /* Adjust width */ - width -= (bufferend - pointer) - 1; - } - - /* Adjust precision */ - if (NO_PRECISION != precision) - { - precision -= (bufferend - pointer) - 1; - if (precision < 0) - precision = 0; - flags |= FLAGS_NILPADDING; - } - - /* Calculate padding */ - count = (! ((flags & FLAGS_LEFTADJUST) || (precision == NO_PRECISION))) - ? precision - : 0; - - /* Adjust width further */ - if (isNegative || (flags & FLAGS_SHOWSIGN) || (flags & FLAGS_SPACE)) - width--; - if ((flags & FLAGS_ALTERNATIVE) && !isNumberZero) - { - switch (base) - { - case BASE_BINARY: - case BASE_HEX: - width -= 2; - break; - case BASE_OCTAL: - if (!(flags & FLAGS_NILPADDING) || (count == 0)) - width--; - break; - default: - break; - } - } - - /* Output prefixes spaces if needed */ - if (! ((flags & FLAGS_LEFTADJUST) || - ((flags & FLAGS_NILPADDING) && (precision == NO_PRECISION)))) - { - while (width-- > count) - self->OutStream(self, CHAR_ADJUST); - } - - /* width has been adjusted for signs and alternatives */ - if (isNegative) - self->OutStream(self, '-'); - else if (flags & FLAGS_SHOWSIGN) - self->OutStream(self, '+'); - else if (flags & FLAGS_SPACE) - self->OutStream(self, ' '); - - /* Prefix is not written when the value is zero */ - if ((flags & FLAGS_ALTERNATIVE) && !isNumberZero) - { - switch (base) - { - case BASE_BINARY: - self->OutStream(self, '0'); - self->OutStream(self, (flags & FLAGS_UPPER) ? 'B' : 'b'); - break; - - case BASE_OCTAL: - if (!(flags & FLAGS_NILPADDING) || (count == 0)) - self->OutStream(self, '0'); - break; - - case BASE_HEX: - self->OutStream(self, '0'); - self->OutStream(self, (flags & FLAGS_UPPER) ? 'X' : 'x'); - break; - - default: - break; - } /* switch base */ - } - - /* Output prefixed zero padding if needed */ - if (flags & FLAGS_NILPADDING) - { - if (precision == NO_PRECISION) - precision = width; - while (precision-- > 0) - { - self->OutStream(self, '0'); - width--; - } - } - - if (! ignoreNumber) - { - /* Output the number itself */ - while (*(++pointer)) - { - self->OutStream(self, *pointer); - } - } - - /* Output trailing spaces if needed */ - if (flags & FLAGS_LEFTADJUST) - { - while (width-- > 0) - self->OutStream(self, CHAR_ADJUST); - } -} - -/************************************************************************* - * TrioWriteStringCharacter - * - * Description: - * Output a single character of a string - */ -TRIO_PRIVATE void -TrioWriteStringCharacter -TRIO_ARGS3((self, ch, flags), - trio_class_t *self, - int ch, - trio_flags_t flags) -{ - if (flags & FLAGS_ALTERNATIVE) - { - if (! isprint(ch)) - { - /* - * Non-printable characters are converted to C escapes or - * \number, if no C escape exists. - */ - self->OutStream(self, CHAR_BACKSLASH); - switch (ch) - { - case '\007': self->OutStream(self, 'a'); break; - case '\b': self->OutStream(self, 'b'); break; - case '\f': self->OutStream(self, 'f'); break; - case '\n': self->OutStream(self, 'n'); break; - case '\r': self->OutStream(self, 'r'); break; - case '\t': self->OutStream(self, 't'); break; - case '\v': self->OutStream(self, 'v'); break; - case '\\': self->OutStream(self, '\\'); break; - default: - self->OutStream(self, 'x'); - TrioWriteNumber(self, (trio_uintmax_t)ch, - FLAGS_UNSIGNED | FLAGS_NILPADDING, - 2, 2, BASE_HEX); - break; - } - } - else if (ch == CHAR_BACKSLASH) - { - self->OutStream(self, CHAR_BACKSLASH); - self->OutStream(self, CHAR_BACKSLASH); - } - else - { - self->OutStream(self, ch); - } - } - else - { - self->OutStream(self, ch); - } -} - -/************************************************************************* - * TrioWriteString - * - * Description: - * Output a string - */ -TRIO_PRIVATE void -TrioWriteString -TRIO_ARGS5((self, string, flags, width, precision), - trio_class_t *self, - TRIO_CONST char *string, - trio_flags_t flags, - int width, - int precision) -{ - int length; - int ch; - - assert(VALID(self)); - assert(VALID(self->OutStream)); - - if (string == NULL) - { - string = internalNullString; - length = sizeof(internalNullString) - 1; - /* Disable quoting for the null pointer */ - flags &= (~FLAGS_QUOTE); - width = 0; - } - else - { - length = trio_length(string); - } - if ((NO_PRECISION != precision) && - (precision < length)) - { - length = precision; - } - width -= length; - - if (flags & FLAGS_QUOTE) - self->OutStream(self, CHAR_QUOTE); - - if (! (flags & FLAGS_LEFTADJUST)) - { - while (width-- > 0) - self->OutStream(self, CHAR_ADJUST); - } - - while (length-- > 0) - { - /* The ctype parameters must be an unsigned char (or EOF) */ - ch = (int)((unsigned char)(*string++)); - TrioWriteStringCharacter(self, ch, flags); - } - - if (flags & FLAGS_LEFTADJUST) - { - while (width-- > 0) - self->OutStream(self, CHAR_ADJUST); - } - if (flags & FLAGS_QUOTE) - self->OutStream(self, CHAR_QUOTE); -} - -/************************************************************************* - * TrioWriteWideStringCharacter - * - * Description: - * Output a wide string as a multi-byte sequence - */ -#if TRIO_WIDECHAR -TRIO_PRIVATE int -TrioWriteWideStringCharacter -TRIO_ARGS4((self, wch, flags, width), - trio_class_t *self, - trio_wchar_t wch, - trio_flags_t flags, - int width) -{ - int size; - int i; - int ch; - char *string; - char buffer[MB_LEN_MAX + 1]; - - if (width == NO_WIDTH) - width = sizeof(buffer); - - size = wctomb(buffer, wch); - if ((size <= 0) || (size > width) || (buffer[0] == NIL)) - return 0; - - string = buffer; - i = size; - while ((width >= i) && (width-- > 0) && (i-- > 0)) - { - /* The ctype parameters must be an unsigned char (or EOF) */ - ch = (int)((unsigned char)(*string++)); - TrioWriteStringCharacter(self, ch, flags); - } - return size; -} -#endif /* TRIO_WIDECHAR */ - -/************************************************************************* - * TrioWriteWideString - * - * Description: - * Output a wide character string as a multi-byte string - */ -#if TRIO_WIDECHAR -TRIO_PRIVATE void -TrioWriteWideString -TRIO_ARGS5((self, wstring, flags, width, precision), - trio_class_t *self, - TRIO_CONST trio_wchar_t *wstring, - trio_flags_t flags, - int width, - int precision) -{ - int length; - int size; - - assert(VALID(self)); - assert(VALID(self->OutStream)); - -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - (void)mblen(NULL, 0); -#endif - - if (wstring == NULL) - { - TrioWriteString(self, NULL, flags, width, precision); - return; - } - - if (NO_PRECISION == precision) - { - length = INT_MAX; - } - else - { - length = precision; - width -= length; - } - - if (flags & FLAGS_QUOTE) - self->OutStream(self, CHAR_QUOTE); - - if (! (flags & FLAGS_LEFTADJUST)) - { - while (width-- > 0) - self->OutStream(self, CHAR_ADJUST); - } - - while (length > 0) - { - size = TrioWriteWideStringCharacter(self, *wstring++, flags, length); - if (size == 0) - break; /* while */ - length -= size; - } - - if (flags & FLAGS_LEFTADJUST) - { - while (width-- > 0) - self->OutStream(self, CHAR_ADJUST); - } - if (flags & FLAGS_QUOTE) - self->OutStream(self, CHAR_QUOTE); -} -#endif /* TRIO_WIDECHAR */ - -/************************************************************************* - * TrioWriteDouble - * - * http://wwwold.dkuug.dk/JTC1/SC22/WG14/www/docs/dr_211.htm - * - * "5.2.4.2.2 paragraph #4 - * - * The accuracy [...] is implementation defined, as is the accuracy - * of the conversion between floating-point internal representations - * and string representations performed by the libray routine in - * <stdio.h>" - */ -/* FIXME: handle all instances of constant long-double number (L) - * and *l() math functions. - */ -TRIO_PRIVATE void -TrioWriteDouble -TRIO_ARGS6((self, number, flags, width, precision, base), - trio_class_t *self, - trio_long_double_t number, - trio_flags_t flags, - int width, - int precision, - int base) -{ - trio_long_double_t integerNumber; - trio_long_double_t fractionNumber; - trio_long_double_t workNumber; - int integerDigits; - int fractionDigits; - int exponentDigits; - int baseDigits; - int integerThreshold; - int fractionThreshold; - int expectedWidth; - int exponent = 0; - unsigned int uExponent = 0; - int exponentBase; - trio_long_double_t dblBase; - trio_long_double_t dblIntegerBase; - trio_long_double_t dblFractionBase; - trio_long_double_t integerAdjust; - trio_long_double_t fractionAdjust; - BOOLEAN_T isNegative; - BOOLEAN_T isExponentNegative = FALSE; - BOOLEAN_T requireTwoDigitExponent; - BOOLEAN_T isHex; - TRIO_CONST char *digits; - char *groupingPointer; - int i; - int index; - BOOLEAN_T hasOnlyZeroes; - int zeroes = 0; - register int trailingZeroes; - BOOLEAN_T keepTrailingZeroes; - BOOLEAN_T keepDecimalPoint; - trio_long_double_t epsilon; - - assert(VALID(self)); - assert(VALID(self->OutStream)); - assert(((base >= MIN_BASE) && (base <= MAX_BASE)) || (base == NO_BASE)); - - /* Determine sign and look for special quantities */ - switch (trio_fpclassify_and_signbit(number, &isNegative)) - { - case TRIO_FP_NAN: - TrioWriteString(self, - (flags & FLAGS_UPPER) - ? NAN_UPPER - : NAN_LOWER, - flags, width, precision); - return; - - case TRIO_FP_INFINITE: - if (isNegative) - { - /* Negative infinity */ - TrioWriteString(self, - (flags & FLAGS_UPPER) - ? "-" INFINITE_UPPER - : "-" INFINITE_LOWER, - flags, width, precision); - return; - } - else - { - /* Positive infinity */ - TrioWriteString(self, - (flags & FLAGS_UPPER) - ? INFINITE_UPPER - : INFINITE_LOWER, - flags, width, precision); - return; - } - - default: - /* Finitude */ - break; - } - - /* Normal numbers */ - if (flags & FLAGS_LONGDOUBLE) - { - baseDigits = (base == 10) - ? LDBL_DIG - : (int)floor(LDBL_MANT_DIG / TrioLogarithmBase(base)); - epsilon = LDBL_EPSILON; - } - else if (flags & FLAGS_SHORT) - { - baseDigits = (base == BASE_DECIMAL) - ? FLT_DIG - : (int)floor(FLT_MANT_DIG / TrioLogarithmBase(base)); - epsilon = FLT_EPSILON; - } - else - { - baseDigits = (base == BASE_DECIMAL) - ? DBL_DIG - : (int)floor(DBL_MANT_DIG / TrioLogarithmBase(base)); - epsilon = DBL_EPSILON; - } - - digits = (flags & FLAGS_UPPER) ? internalDigitsUpper : internalDigitsLower; - isHex = (base == BASE_HEX); - if (base == NO_BASE) - base = BASE_DECIMAL; - dblBase = (trio_long_double_t)base; - keepTrailingZeroes = !( (flags & FLAGS_ROUNDING) || - ( (flags & FLAGS_FLOAT_G) && - !(flags & FLAGS_ALTERNATIVE) ) ); - - if (flags & FLAGS_ROUNDING) - precision = baseDigits; - - if (precision == NO_PRECISION) - { - if (isHex) - { - keepTrailingZeroes = FALSE; - precision = FLT_MANT_DIG; - } - else - { - precision = FLT_DIG; - } - } - - if (isNegative) - number = -number; - - if (isHex) - flags |= FLAGS_FLOAT_E; - - if (flags & FLAGS_FLOAT_G) - { - if (precision == 0) - precision = 1; - - if ((number < 1.0E-4) || (number > powl(base, - (trio_long_double_t)precision))) - { - /* Use scientific notation */ - flags |= FLAGS_FLOAT_E; - } - else if (number < 1.0) - { - /* - * Use normal notation. If the integer part of the number is - * zero, then adjust the precision to include leading fractional - * zeros. - */ - workNumber = TrioLogarithm(number, base); - workNumber = TRIO_FABS(workNumber); - if (workNumber - floorl(workNumber) < 0.001) - workNumber--; - zeroes = (int)floorl(workNumber); - } - } - - if (flags & FLAGS_FLOAT_E) - { - /* Scale the number */ - workNumber = TrioLogarithm(number, base); - if (trio_isinf(workNumber) == -1) - { - exponent = 0; - /* Undo setting */ - if (flags & FLAGS_FLOAT_G) - flags &= ~FLAGS_FLOAT_E; - } - else - { - exponent = (int)floorl(workNumber); - number /= powl(dblBase, (trio_long_double_t)exponent); - isExponentNegative = (exponent < 0); - uExponent = (isExponentNegative) ? -exponent : exponent; - if (isHex) - uExponent *= 4; /* log16(2) */ - /* No thousand separators */ - flags &= ~FLAGS_QUOTE; - } - } - - integerNumber = floorl(number); - fractionNumber = number - integerNumber; - - /* - * Truncated number. - * - * Precision is number of significant digits for FLOAT_G - * and number of fractional digits for others. - */ - integerDigits = (integerNumber > epsilon) - ? 1 + (int)TrioLogarithm(integerNumber, base) - : 1; - fractionDigits = ((flags & FLAGS_FLOAT_G) && (zeroes == 0)) - ? precision - integerDigits - : zeroes + precision; - - dblFractionBase = TrioPower(base, fractionDigits); - - workNumber = number + 0.5 / dblFractionBase; - if (floorl(number) != floorl(workNumber)) - { - if (flags & FLAGS_FLOAT_E) - { - /* Adjust if number was rounded up one digit (ie. 0.99 to 1.00) */ - exponent++; - isExponentNegative = (exponent < 0); - uExponent = (isExponentNegative) ? -exponent : exponent; - if (isHex) - uExponent *= 4; /* log16(2) */ - workNumber = (number + 0.5 / dblFractionBase) / dblBase; - integerNumber = floorl(workNumber); - fractionNumber = workNumber - integerNumber; - } - else - { - /* Adjust if number was rounded up one digit (ie. 99 to 100) */ - integerNumber = floorl(number + 0.5); - fractionNumber = 0.0; - integerDigits = (integerNumber > epsilon) - ? 1 + (int)TrioLogarithm(integerNumber, base) - : 1; - } - } - - /* Estimate accuracy */ - integerAdjust = fractionAdjust = 0.5; - if (flags & FLAGS_ROUNDING) - { - if (integerDigits > baseDigits) - { - integerThreshold = baseDigits; - fractionDigits = 0; - dblFractionBase = 1.0; - fractionThreshold = 0; - precision = 0; /* Disable decimal-point */ - integerAdjust = TrioPower(base, integerDigits - integerThreshold - 1); - fractionAdjust = 0.0; - } - else - { - integerThreshold = integerDigits; - fractionThreshold = fractionDigits - integerThreshold; - fractionAdjust = 1.0; - } - } - else - { - integerThreshold = INT_MAX; - fractionThreshold = INT_MAX; - } - - /* - * Calculate expected width. - * sign + integer part + thousands separators + decimal point - * + fraction + exponent - */ - fractionAdjust /= dblFractionBase; - hasOnlyZeroes = (floorl((fractionNumber + fractionAdjust) * dblFractionBase) < epsilon); - keepDecimalPoint = ( (flags & FLAGS_ALTERNATIVE) || - !((precision == 0) || - (!keepTrailingZeroes && hasOnlyZeroes)) ); - if (flags & FLAGS_FLOAT_E) - { - exponentDigits = (uExponent == 0) - ? 1 - : (int)ceil(TrioLogarithm((double)(uExponent + 1), - (isHex) ? 10.0 : base)); - } - else - exponentDigits = 0; - requireTwoDigitExponent = ((base == BASE_DECIMAL) && (exponentDigits == 1)); - - expectedWidth = integerDigits + fractionDigits - + (keepDecimalPoint - ? internalDecimalPointLength - : 0) - + ((flags & FLAGS_QUOTE) - ? TrioCalcThousandSeparatorLength(integerDigits) - : 0); - if (isNegative || (flags & FLAGS_SHOWSIGN) || (flags & FLAGS_SPACE)) - expectedWidth += sizeof("-") - 1; - if (exponentDigits > 0) - expectedWidth += exponentDigits + - ((requireTwoDigitExponent ? sizeof("E+0") : sizeof("E+")) - 1); - if (isHex) - expectedWidth += sizeof("0X") - 1; - - /* Output prefixing */ - if (flags & FLAGS_NILPADDING) - { - /* Leading zeros must be after sign */ - if (isNegative) - self->OutStream(self, '-'); - else if (flags & FLAGS_SHOWSIGN) - self->OutStream(self, '+'); - else if (flags & FLAGS_SPACE) - self->OutStream(self, ' '); - if (isHex) - { - self->OutStream(self, '0'); - self->OutStream(self, (flags & FLAGS_UPPER) ? 'X' : 'x'); - } - if (!(flags & FLAGS_LEFTADJUST)) - { - for (i = expectedWidth; i < width; i++) - { - self->OutStream(self, '0'); - } - } - } - else - { - /* Leading spaces must be before sign */ - if (!(flags & FLAGS_LEFTADJUST)) - { - for (i = expectedWidth; i < width; i++) - { - self->OutStream(self, CHAR_ADJUST); - } - } - if (isNegative) - self->OutStream(self, '-'); - else if (flags & FLAGS_SHOWSIGN) - self->OutStream(self, '+'); - else if (flags & FLAGS_SPACE) - self->OutStream(self, ' '); - if (isHex) - { - self->OutStream(self, '0'); - self->OutStream(self, (flags & FLAGS_UPPER) ? 'X' : 'x'); - } - } - - /* Output the integer part and thousand separators */ - dblIntegerBase = 1.0 / TrioPower(base, integerDigits - 1); - for (i = 0; i < integerDigits; i++) - { - workNumber = floorl(((integerNumber + integerAdjust) * dblIntegerBase)); - if (i > integerThreshold) - { - /* Beyond accuracy */ - self->OutStream(self, digits[0]); - } - else - { - self->OutStream(self, digits[(int)fmodl(workNumber, dblBase)]); - } - dblIntegerBase *= dblBase; - - if (((flags & (FLAGS_FLOAT_E | FLAGS_QUOTE)) == FLAGS_QUOTE) - && TrioFollowedBySeparator(integerDigits - i)) - { - for (groupingPointer = internalThousandSeparator; - *groupingPointer != NIL; - groupingPointer++) - { - self->OutStream(self, *groupingPointer); - } - } - } - - /* Insert decimal point and build the fraction part */ - trailingZeroes = 0; - - if (keepDecimalPoint) - { - if (internalDecimalPoint) - { - self->OutStream(self, internalDecimalPoint); - } - else - { - for (i = 0; i < internalDecimalPointLength; i++) - { - self->OutStream(self, internalDecimalPointString[i]); - } - } - } - - for (i = 0; i < fractionDigits; i++) - { - if ((integerDigits > integerThreshold) || (i > fractionThreshold)) - { - /* Beyond accuracy */ - trailingZeroes++; - } - else - { - fractionNumber *= dblBase; - fractionAdjust *= dblBase; - workNumber = floorl(fractionNumber + fractionAdjust); - fractionNumber -= workNumber; - index = (int)fmodl(workNumber, dblBase); - if (index == 0) - { - trailingZeroes++; - } - else - { - while (trailingZeroes > 0) - { - /* Not trailing zeroes after all */ - self->OutStream(self, digits[0]); - trailingZeroes--; - } - self->OutStream(self, digits[index]); - } - } - } - - if (keepTrailingZeroes) - { - while (trailingZeroes > 0) - { - self->OutStream(self, digits[0]); - trailingZeroes--; - } - } - - /* Output exponent */ - if (exponentDigits > 0) - { - self->OutStream(self, - isHex - ? ((flags & FLAGS_UPPER) ? 'P' : 'p') - : ((flags & FLAGS_UPPER) ? 'E' : 'e')); - self->OutStream(self, (isExponentNegative) ? '-' : '+'); - - /* The exponent must contain at least two digits */ - if (requireTwoDigitExponent) - self->OutStream(self, '0'); - - if (isHex) - base = 10.0; - exponentBase = (int)TrioPower(base, exponentDigits - 1); - for (i = 0; i < exponentDigits; i++) - { - self->OutStream(self, digits[(uExponent / exponentBase) % base]); - exponentBase /= base; - } - } - /* Output trailing spaces */ - if (flags & FLAGS_LEFTADJUST) - { - for (i = expectedWidth; i < width; i++) - { - self->OutStream(self, CHAR_ADJUST); - } - } -} - -/************************************************************************* - * TrioFormatProcess - * - * Description: - * This is the main engine for formatting output - */ -TRIO_PRIVATE int -TrioFormatProcess -TRIO_ARGS3((data, format, parameters), - trio_class_t *data, - TRIO_CONST char *format, - trio_parameter_t *parameters) -{ -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - int charlen; -#endif - int i; - TRIO_CONST char *string; - trio_pointer_t pointer; - trio_flags_t flags; - int width; - int precision; - int base; - int index; - - index = 0; - i = 0; -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - (void)mblen(NULL, 0); -#endif - - while (format[index]) - { -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - if (! isascii(format[index])) - { - charlen = mblen(&format[index], MB_LEN_MAX); - /* - * Only valid multibyte characters are handled here. Invalid - * multibyte characters (charlen == -1) are handled as normal - * characters. - */ - if (charlen != -1) - { - while (charlen-- > 0) - { - data->OutStream(data, format[index++]); - } - continue; /* while characters left in formatting string */ - } - } -#endif /* TRIO_COMPILER_SUPPORTS_MULTIBYTE */ - if (CHAR_IDENTIFIER == format[index]) - { - if (CHAR_IDENTIFIER == format[index + 1]) - { - data->OutStream(data, CHAR_IDENTIFIER); - index += 2; - } - else - { - /* Skip the parameter entries */ - while (parameters[i].type == FORMAT_PARAMETER) - i++; - - flags = parameters[i].flags; - - /* Find width */ - width = parameters[i].width; - if (flags & FLAGS_WIDTH_PARAMETER) - { - /* Get width from parameter list */ - width = (int)parameters[width].data.number.as_signed; - if (width < 0) - { - /* - * A negative width is the same as the - flag and - * a positive width. - */ - flags |= FLAGS_LEFTADJUST; - flags &= ~FLAGS_NILPADDING; - width = -width; - } - } - - /* Find precision */ - if (flags & FLAGS_PRECISION) - { - precision = parameters[i].precision; - if (flags & FLAGS_PRECISION_PARAMETER) - { - /* Get precision from parameter list */ - precision = (int)parameters[precision].data.number.as_signed; - if (precision < 0) - { - /* - * A negative precision is the same as no - * precision - */ - precision = NO_PRECISION; - } - } - } - else - { - precision = NO_PRECISION; - } - - /* Find base */ - base = parameters[i].base; - if (flags & FLAGS_BASE_PARAMETER) - { - /* Get base from parameter list */ - base = (int)parameters[base].data.number.as_signed; - } - - switch (parameters[i].type) - { - case FORMAT_CHAR: - if (flags & FLAGS_QUOTE) - data->OutStream(data, CHAR_QUOTE); - if (! (flags & FLAGS_LEFTADJUST)) - { - while (--width > 0) - data->OutStream(data, CHAR_ADJUST); - } -#if TRIO_WIDECHAR - if (flags & FLAGS_WIDECHAR) - { - TrioWriteWideStringCharacter(data, - (trio_wchar_t)parameters[i].data.number.as_signed, - flags, - NO_WIDTH); - } - else -#endif - { - TrioWriteStringCharacter(data, - (int)parameters[i].data.number.as_signed, - flags); - } - - if (flags & FLAGS_LEFTADJUST) - { - while(--width > 0) - data->OutStream(data, CHAR_ADJUST); - } - if (flags & FLAGS_QUOTE) - data->OutStream(data, CHAR_QUOTE); - - break; /* FORMAT_CHAR */ - - case FORMAT_INT: - TrioWriteNumber(data, - parameters[i].data.number.as_unsigned, - flags, - width, - precision, - base); - - break; /* FORMAT_INT */ - - case FORMAT_DOUBLE: - TrioWriteDouble(data, - parameters[i].data.longdoubleNumber, - flags, - width, - precision, - base); - break; /* FORMAT_DOUBLE */ - - case FORMAT_STRING: -#if TRIO_WIDECHAR - if (flags & FLAGS_WIDECHAR) - { - TrioWriteWideString(data, - parameters[i].data.wstring, - flags, - width, - precision); - } - else -#endif - { - TrioWriteString(data, - parameters[i].data.string, - flags, - width, - precision); - } - break; /* FORMAT_STRING */ - - case FORMAT_POINTER: - { - trio_reference_t reference; - - reference.data = data; - reference.parameter = ¶meters[i]; - trio_print_pointer(&reference, parameters[i].data.pointer); - } - break; /* FORMAT_POINTER */ - - case FORMAT_COUNT: - pointer = parameters[i].data.pointer; - if (NULL != pointer) - { - /* - * C99 paragraph 7.19.6.1.8 says "the number of - * characters written to the output stream so far by - * this call", which is data->committed - */ -#if defined(QUALIFIER_SIZE_T) || defined(QUALIFIER_SIZE_T_UPPER) - if (flags & FLAGS_SIZE_T) - *(size_t *)pointer = (size_t)data->committed; - else -#endif -#if defined(QUALIFIER_PTRDIFF_T) - if (flags & FLAGS_PTRDIFF_T) - *(ptrdiff_t *)pointer = (ptrdiff_t)data->committed; - else -#endif -#if defined(QUALIFIER_INTMAX_T) - if (flags & FLAGS_INTMAX_T) - *(trio_intmax_t *)pointer = (trio_intmax_t)data->committed; - else -#endif - if (flags & FLAGS_QUAD) - { - *(trio_ulonglong_t *)pointer = (trio_ulonglong_t)data->committed; - } - else if (flags & FLAGS_LONG) - { - *(long int *)pointer = (long int)data->committed; - } - else if (flags & FLAGS_SHORT) - { - *(short int *)pointer = (short int)data->committed; - } - else - { - *(int *)pointer = (int)data->committed; - } - } - break; /* FORMAT_COUNT */ - - case FORMAT_PARAMETER: - break; /* FORMAT_PARAMETER */ - -#if defined(FORMAT_ERRNO) - case FORMAT_ERRNO: - string = trio_error(parameters[i].data.errorNumber); - if (string) - { - TrioWriteString(data, - string, - flags, - width, - precision); - } - else - { - data->OutStream(data, '#'); - TrioWriteNumber(data, - (trio_uintmax_t)parameters[i].data.errorNumber, - flags, - width, - precision, - BASE_DECIMAL); - } - break; /* FORMAT_ERRNO */ -#endif /* defined(FORMAT_ERRNO) */ - -#if defined(FORMAT_USER_DEFINED) - case FORMAT_USER_DEFINED: - { - trio_reference_t reference; - trio_userdef_t *def = NULL; - - if (parameters[i].user_name[0] == NIL) - { - /* Use handle */ - if ((i > 0) || - (parameters[i - 1].type == FORMAT_PARAMETER)) - def = (trio_userdef_t *)parameters[i - 1].data.pointer; - } - else - { - /* Look up namespace */ - def = TrioFindNamespace(parameters[i].user_name, NULL); - } - if (def) { - reference.data = data; - reference.parameter = ¶meters[i]; - def->callback(&reference); - } - } - break; -#endif /* defined(FORMAT_USER_DEFINED) */ - - default: - break; - } /* switch parameter type */ - - /* Prepare for next */ - index = parameters[i].indexAfterSpecifier; - i++; - } - } - else /* not identifier */ - { - data->OutStream(data, format[index++]); - } - } - return data->processed; -} - -/************************************************************************* - * TrioFormatRef - */ -TRIO_PRIVATE int -TrioFormatRef -TRIO_ARGS4((reference, format, arglist, argarray), - trio_reference_t *reference, - TRIO_CONST char *format, - TRIO_VA_LIST_PTR arglist, - trio_pointer_t *argarray) -{ - int status; - trio_parameter_t parameters[MAX_PARAMETERS]; - - status = TrioParse(TYPE_PRINT, format, parameters, arglist, argarray); - if (status < 0) - return status; - - status = TrioFormatProcess(reference->data, format, parameters); - if (reference->data->error != 0) - { - status = reference->data->error; - } - return status; -} - -/************************************************************************* - * TrioFormat - */ -TRIO_PRIVATE int -TrioFormat -TRIO_ARGS6((destination, destinationSize, OutStream, format, arglist, argarray), - trio_pointer_t destination, - size_t destinationSize, - void (*OutStream) TRIO_PROTO((trio_class_t *, int)), - TRIO_CONST char *format, - TRIO_VA_LIST_PTR arglist, - trio_pointer_t *argarray) -{ - int status; - trio_class_t data; - trio_parameter_t parameters[MAX_PARAMETERS]; - - assert(VALID(OutStream)); - assert(VALID(format)); - - memset(&data, 0, sizeof(data)); - data.OutStream = OutStream; - data.location = destination; - data.max = destinationSize; - data.error = 0; - -#if defined(USE_LOCALE) - if (NULL == internalLocaleValues) - { - TrioSetLocale(); - } -#endif - - status = TrioParse(TYPE_PRINT, format, parameters, arglist, argarray); - if (status < 0) - return status; - - status = TrioFormatProcess(&data, format, parameters); - if (data.error != 0) - { - status = data.error; - } - return status; -} - -/************************************************************************* - * TrioOutStreamFile - */ -TRIO_PRIVATE void -TrioOutStreamFile -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - FILE *file; - - assert(VALID(self)); - assert(VALID(self->location)); - - file = (FILE *)self->location; - self->processed++; - if (fputc(output, file) == EOF) - { - self->error = TRIO_ERROR_RETURN(TRIO_EOF, 0); - } - else - { - self->committed++; - } -} - -/************************************************************************* - * TrioOutStreamFileDescriptor - */ -TRIO_PRIVATE void -TrioOutStreamFileDescriptor -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - int fd; - char ch; - - assert(VALID(self)); - - fd = *((int *)self->location); - ch = (char)output; - self->processed++; - if (write(fd, &ch, sizeof(char)) == -1) - { - self->error = TRIO_ERROR_RETURN(TRIO_ERRNO, 0); - } - else - { - self->committed++; - } -} - -/************************************************************************* - * TrioOutStreamCustom - */ -TRIO_PRIVATE void -TrioOutStreamCustom -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - int status; - trio_custom_t *data; - - assert(VALID(self)); - assert(VALID(self->location)); - - data = (trio_custom_t *)self->location; - if (data->stream.out) - { - status = (data->stream.out)(data->closure, output); - if (status >= 0) - { - self->committed++; - } - else - { - if (self->error == 0) - { - self->error = TRIO_ERROR_RETURN(TRIO_ECUSTOM, -status); - } - } - } - self->processed++; -} - -/************************************************************************* - * TrioOutStreamString - */ -TRIO_PRIVATE void -TrioOutStreamString -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - char **buffer; - - assert(VALID(self)); - assert(VALID(self->location)); - - buffer = (char **)self->location; - **buffer = (char)output; - (*buffer)++; - self->processed++; - self->committed++; -} - -/************************************************************************* - * TrioOutStreamStringMax - */ -TRIO_PRIVATE void -TrioOutStreamStringMax -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - char **buffer; - - assert(VALID(self)); - assert(VALID(self->location)); - - buffer = (char **)self->location; - - if (self->processed < self->max) - { - **buffer = (char)output; - (*buffer)++; - self->committed++; - } - self->processed++; -} - -/************************************************************************* - * TrioOutStreamStringDynamic - */ -TRIO_PRIVATE void -TrioOutStreamStringDynamic -TRIO_ARGS2((self, output), - trio_class_t *self, - int output) -{ - assert(VALID(self)); - assert(VALID(self->location)); - - if (self->error == 0) - { - trio_xstring_append_char((trio_string_t *)self->location, - (char)output); - self->committed++; - } - /* The processed variable must always be increased */ - self->processed++; -} - -/************************************************************************* - * - * Formatted printing functions - * - ************************************************************************/ - -#if defined(TRIO_DOCUMENTATION) -# include "doc/doc_printf.h" -#endif -/** @addtogroup Printf - @{ -*/ - -/************************************************************************* - * printf - */ - -/** - Print to standard output stream. - - @param format Formatting string. - @param ... Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_printf -TRIO_VARGS2((format, va_alist), - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioFormat(stdout, 0, TrioOutStreamFile, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -/** - Print to standard output stream. - - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_vprintf -TRIO_ARGS2((format, args), - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(format)); - - return TrioFormat(stdout, 0, TrioOutStreamFile, format, TRIO_VA_LIST_ADDR(args), NULL); -} - -/** - Print to standard output stream. - - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_printfv -TRIO_ARGS2((format, args), - TRIO_CONST char *format, - trio_pointer_t * args) -{ - assert(VALID(format)); - - return TrioFormat(stdout, 0, TrioOutStreamFile, format, NULL, args); -} - -/************************************************************************* - * fprintf - */ - -/** - Print to file. - - @param file File pointer. - @param format Formatting string. - @param ... Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_fprintf -TRIO_VARGS3((file, format, va_alist), - FILE *file, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(file)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioFormat(file, 0, TrioOutStreamFile, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -/** - Print to file. - - @param file File pointer. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_vfprintf -TRIO_ARGS3((file, format, args), - FILE *file, - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(file)); - assert(VALID(format)); - - return TrioFormat(file, 0, TrioOutStreamFile, format, TRIO_VA_LIST_ADDR(args), NULL); -} - -/** - Print to file. - - @param file File pointer. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_fprintfv -TRIO_ARGS3((file, format, args), - FILE *file, - TRIO_CONST char *format, - trio_pointer_t * args) -{ - assert(VALID(file)); - assert(VALID(format)); - - return TrioFormat(file, 0, TrioOutStreamFile, format, NULL, args); -} - -/************************************************************************* - * dprintf - */ - -/** - Print to file descriptor. - - @param fd File descriptor. - @param format Formatting string. - @param ... Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_dprintf -TRIO_VARGS3((fd, format, va_alist), - int fd, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioFormat(&fd, 0, TrioOutStreamFileDescriptor, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -/** - Print to file descriptor. - - @param fd File descriptor. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_vdprintf -TRIO_ARGS3((fd, format, args), - int fd, - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(format)); - - return TrioFormat(&fd, 0, TrioOutStreamFileDescriptor, format, TRIO_VA_LIST_ADDR(args), NULL); -} - -/** - Print to file descriptor. - - @param fd File descriptor. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_dprintfv -TRIO_ARGS3((fd, format, args), - int fd, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - assert(VALID(format)); - - return TrioFormat(&fd, 0, TrioOutStreamFileDescriptor, format, NULL, args); -} - -/************************************************************************* - * cprintf - */ -TRIO_PUBLIC int -trio_cprintf -TRIO_VARGS4((stream, closure, format, va_alist), - trio_outstream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - data.stream.out = stream; - data.closure = closure; - status = TrioFormat(&data, 0, TrioOutStreamCustom, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vcprintf -TRIO_ARGS4((stream, closure, format, args), - trio_outstream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - va_list args) -{ - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - data.stream.out = stream; - data.closure = closure; - return TrioFormat(&data, 0, TrioOutStreamCustom, format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_cprintfv -TRIO_ARGS4((stream, closure, format, args), - trio_outstream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - void **args) -{ - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - data.stream.out = stream; - data.closure = closure; - return TrioFormat(&data, 0, TrioOutStreamCustom, format, NULL, args); -} - -/************************************************************************* - * sprintf - */ - -/** - Print to string. - - @param buffer Output string. - @param format Formatting string. - @param ... Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_sprintf -TRIO_VARGS3((buffer, format, va_alist), - char *buffer, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(buffer)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioFormat(&buffer, 0, TrioOutStreamString, format, TRIO_VA_LIST_ADDR(args), NULL); - *buffer = NIL; /* Terminate with NIL character */ - TRIO_VA_END(args); - return status; -} - -/** - Print to string. - - @param buffer Output string. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_vsprintf -TRIO_ARGS3((buffer, format, args), - char *buffer, - TRIO_CONST char *format, - va_list args) -{ - int status; - - assert(VALID(buffer)); - assert(VALID(format)); - - status = TrioFormat(&buffer, 0, TrioOutStreamString, format, TRIO_VA_LIST_ADDR(args), NULL); - *buffer = NIL; - return status; -} - -/** - Print to string. - - @param buffer Output string. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_sprintfv -TRIO_ARGS3((buffer, format, args), - char *buffer, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - int status; - - assert(VALID(buffer)); - assert(VALID(format)); - - status = TrioFormat(&buffer, 0, TrioOutStreamString, format, NULL, args); - *buffer = NIL; - return status; -} - -/************************************************************************* - * snprintf - */ - -/** - Print at most @p max characters to string. - - @param buffer Output string. - @param max Maximum number of characters to print. - @param format Formatting string. - @param ... Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_snprintf -TRIO_VARGS4((buffer, max, format, va_alist), - char *buffer, - size_t max, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(buffer)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioFormat(&buffer, max > 0 ? max - 1 : 0, - TrioOutStreamStringMax, format, TRIO_VA_LIST_ADDR(args), NULL); - if (max > 0) - *buffer = NIL; - TRIO_VA_END(args); - return status; -} - -/** - Print at most @p max characters to string. - - @param buffer Output string. - @param max Maximum number of characters to print. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_vsnprintf -TRIO_ARGS4((buffer, max, format, args), - char *buffer, - size_t max, - TRIO_CONST char *format, - va_list args) -{ - int status; - - assert(VALID(buffer)); - assert(VALID(format)); - - status = TrioFormat(&buffer, max > 0 ? max - 1 : 0, - TrioOutStreamStringMax, format, TRIO_VA_LIST_ADDR(args), NULL); - if (max > 0) - *buffer = NIL; - return status; -} - -/** - Print at most @p max characters to string. - - @param buffer Output string. - @param max Maximum number of characters to print. - @param format Formatting string. - @param args Arguments. - @return Number of printed characters. - */ -TRIO_PUBLIC int -trio_snprintfv -TRIO_ARGS4((buffer, max, format, args), - char *buffer, - size_t max, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - int status; - - assert(VALID(buffer)); - assert(VALID(format)); - - status = TrioFormat(&buffer, max > 0 ? max - 1 : 0, - TrioOutStreamStringMax, format, NULL, args); - if (max > 0) - *buffer = NIL; - return status; -} - -/************************************************************************* - * snprintfcat - * Appends the new string to the buffer string overwriting the '\0' - * character at the end of buffer. - */ -TRIO_PUBLIC int -trio_snprintfcat -TRIO_VARGS4((buffer, max, format, va_alist), - char *buffer, - size_t max, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - size_t buf_len; - - TRIO_VA_START(args, format); - - assert(VALID(buffer)); - assert(VALID(format)); - - buf_len = trio_length(buffer); - buffer = &buffer[buf_len]; - - status = TrioFormat(&buffer, max - 1 - buf_len, - TrioOutStreamStringMax, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - *buffer = NIL; - return status; -} - -TRIO_PUBLIC int -trio_vsnprintfcat -TRIO_ARGS4((buffer, max, format, args), - char *buffer, - size_t max, - TRIO_CONST char *format, - va_list args) -{ - int status; - size_t buf_len; - - assert(VALID(buffer)); - assert(VALID(format)); - - buf_len = trio_length(buffer); - buffer = &buffer[buf_len]; - status = TrioFormat(&buffer, max - 1 - buf_len, - TrioOutStreamStringMax, format, TRIO_VA_LIST_ADDR(args), NULL); - *buffer = NIL; - return status; -} - -/************************************************************************* - * trio_aprintf - */ - -/* Deprecated */ -TRIO_PUBLIC char * -trio_aprintf -TRIO_VARGS2((format, va_alist), - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - va_list args; - trio_string_t *info; - char *result = NULL; - - assert(VALID(format)); - - info = trio_xstring_duplicate(""); - if (info) - { - TRIO_VA_START(args, format); - (void)TrioFormat(info, 0, TrioOutStreamStringDynamic, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - - trio_string_terminate(info); - result = trio_string_extract(info); - trio_string_destroy(info); - } - return result; -} - -/* Deprecated */ -TRIO_PUBLIC char * -trio_vaprintf -TRIO_ARGS2((format, args), - TRIO_CONST char *format, - va_list args) -{ - trio_string_t *info; - char *result = NULL; - - assert(VALID(format)); - - info = trio_xstring_duplicate(""); - if (info) - { - (void)TrioFormat(info, 0, TrioOutStreamStringDynamic, - format, TRIO_VA_LIST_ADDR(args), NULL); - trio_string_terminate(info); - result = trio_string_extract(info); - trio_string_destroy(info); - } - return result; -} - -TRIO_PUBLIC int -trio_asprintf -TRIO_VARGS3((result, format, va_alist), - char **result, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - va_list args; - int status; - trio_string_t *info; - - assert(VALID(format)); - - *result = NULL; - - info = trio_xstring_duplicate(""); - if (info == NULL) - { - status = TRIO_ERROR_RETURN(TRIO_ENOMEM, 0); - } - else - { - TRIO_VA_START(args, format); - status = TrioFormat(info, 0, TrioOutStreamStringDynamic, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - if (status >= 0) - { - trio_string_terminate(info); - *result = trio_string_extract(info); - } - trio_string_destroy(info); - } - return status; -} - -TRIO_PUBLIC int -trio_vasprintf -TRIO_ARGS3((result, format, args), - char **result, - TRIO_CONST char *format, - va_list args) -{ - int status; - trio_string_t *info; - - assert(VALID(format)); - - *result = NULL; - - info = trio_xstring_duplicate(""); - if (info == NULL) - { - status = TRIO_ERROR_RETURN(TRIO_ENOMEM, 0); - } - else - { - status = TrioFormat(info, 0, TrioOutStreamStringDynamic, - format, TRIO_VA_LIST_ADDR(args), NULL); - if (status >= 0) - { - trio_string_terminate(info); - *result = trio_string_extract(info); - } - trio_string_destroy(info); - } - return status; -} - -/** @} End of Printf documentation module */ - -/************************************************************************* - * - * CALLBACK - * - ************************************************************************/ - -#if defined(TRIO_DOCUMENTATION) -# include "doc/doc_register.h" -#endif -/** - @addtogroup UserDefined - @{ -*/ - -#if TRIO_EXTENSION - -/************************************************************************* - * trio_register - */ - -/** - Register new user-defined specifier. - - @param callback - @param name - @return Handle. - */ -TRIO_PUBLIC trio_pointer_t -trio_register -TRIO_ARGS2((callback, name), - trio_callback_t callback, - TRIO_CONST char *name) -{ - trio_userdef_t *def; - trio_userdef_t *prev = NULL; - - if (callback == NULL) - return NULL; - - if (name) - { - /* Handle built-in namespaces */ - if (name[0] == ':') - { - if (trio_equal(name, ":enter")) - { - internalEnterCriticalRegion = callback; - } - else if (trio_equal(name, ":leave")) - { - internalLeaveCriticalRegion = callback; - } - return NULL; - } - - /* Bail out if namespace is too long */ - if (trio_length(name) >= MAX_USER_NAME) - return NULL; - - /* Bail out if namespace already is registered */ - def = TrioFindNamespace(name, &prev); - if (def) - return NULL; - } - - def = (trio_userdef_t *)TRIO_MALLOC(sizeof(trio_userdef_t)); - if (def) - { - if (internalEnterCriticalRegion) - (void)internalEnterCriticalRegion(NULL); - - if (name) - { - /* Link into internal list */ - if (prev == NULL) - internalUserDef = def; - else - prev->next = def; - } - /* Initialize */ - def->callback = callback; - def->name = (name == NULL) - ? NULL - : trio_duplicate(name); - def->next = NULL; - - if (internalLeaveCriticalRegion) - (void)internalLeaveCriticalRegion(NULL); - } - return (trio_pointer_t)def; -} - -/** - Unregister an existing user-defined specifier. - - @param handle - */ -void -trio_unregister -TRIO_ARGS1((handle), - trio_pointer_t handle) -{ - trio_userdef_t *self = (trio_userdef_t *)handle; - trio_userdef_t *def; - trio_userdef_t *prev = NULL; - - assert(VALID(self)); - - if (self->name) - { - def = TrioFindNamespace(self->name, &prev); - if (def) - { - if (internalEnterCriticalRegion) - (void)internalEnterCriticalRegion(NULL); - - if (prev == NULL) - internalUserDef = NULL; - else - prev->next = def->next; - - if (internalLeaveCriticalRegion) - (void)internalLeaveCriticalRegion(NULL); - } - trio_destroy(self->name); - } - TRIO_FREE(self); -} - -/************************************************************************* - * trio_get_format [public] - */ -TRIO_CONST char * -trio_get_format -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ -#if defined(FORMAT_USER_DEFINED) - assert(((trio_reference_t *)ref)->parameter->type == FORMAT_USER_DEFINED); -#endif - - return (((trio_reference_t *)ref)->parameter->user_data); -} - -/************************************************************************* - * trio_get_argument [public] - */ -trio_pointer_t -trio_get_argument -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ -#if defined(FORMAT_USER_DEFINED) - assert(((trio_reference_t *)ref)->parameter->type == FORMAT_USER_DEFINED); -#endif - - return ((trio_reference_t *)ref)->parameter->data.pointer; -} - -/************************************************************************* - * trio_get_width / trio_set_width [public] - */ -int -trio_get_width -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return ((trio_reference_t *)ref)->parameter->width; -} - -void -trio_set_width -TRIO_ARGS2((ref, width), - trio_pointer_t ref, - int width) -{ - ((trio_reference_t *)ref)->parameter->width = width; -} - -/************************************************************************* - * trio_get_precision / trio_set_precision [public] - */ -int -trio_get_precision -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->precision); -} - -void -trio_set_precision -TRIO_ARGS2((ref, precision), - trio_pointer_t ref, - int precision) -{ - ((trio_reference_t *)ref)->parameter->precision = precision; -} - -/************************************************************************* - * trio_get_base / trio_set_base [public] - */ -int -trio_get_base -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->base); -} - -void -trio_set_base -TRIO_ARGS2((ref, base), - trio_pointer_t ref, - int base) -{ - ((trio_reference_t *)ref)->parameter->base = base; -} - -/************************************************************************* - * trio_get_long / trio_set_long [public] - */ -int -trio_get_long -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_LONG) - ? TRUE - : FALSE; -} - -void -trio_set_long -TRIO_ARGS2((ref, is_long), - trio_pointer_t ref, - int is_long) -{ - if (is_long) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_LONG; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_LONG; -} - -/************************************************************************* - * trio_get_longlong / trio_set_longlong [public] - */ -int -trio_get_longlong -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_QUAD) - ? TRUE - : FALSE; -} - -void -trio_set_longlong -TRIO_ARGS2((ref, is_longlong), - trio_pointer_t ref, - int is_longlong) -{ - if (is_longlong) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_QUAD; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_QUAD; -} - -/************************************************************************* - * trio_get_longdouble / trio_set_longdouble [public] - */ -int -trio_get_longdouble -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_LONGDOUBLE) - ? TRUE - : FALSE; -} - -void -trio_set_longdouble -TRIO_ARGS2((ref, is_longdouble), - trio_pointer_t ref, - int is_longdouble) -{ - if (is_longdouble) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_LONGDOUBLE; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_LONGDOUBLE; -} - -/************************************************************************* - * trio_get_short / trio_set_short [public] - */ -int -trio_get_short -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_SHORT) - ? TRUE - : FALSE; -} - -void -trio_set_short -TRIO_ARGS2((ref, is_short), - trio_pointer_t ref, - int is_short) -{ - if (is_short) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_SHORT; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_SHORT; -} - -/************************************************************************* - * trio_get_shortshort / trio_set_shortshort [public] - */ -int -trio_get_shortshort -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_SHORTSHORT) - ? TRUE - : FALSE; -} - -void -trio_set_shortshort -TRIO_ARGS2((ref, is_shortshort), - trio_pointer_t ref, - int is_shortshort) -{ - if (is_shortshort) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_SHORTSHORT; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_SHORTSHORT; -} - -/************************************************************************* - * trio_get_alternative / trio_set_alternative [public] - */ -int -trio_get_alternative -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_ALTERNATIVE) - ? TRUE - : FALSE; -} - -void -trio_set_alternative -TRIO_ARGS2((ref, is_alternative), - trio_pointer_t ref, - int is_alternative) -{ - if (is_alternative) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_ALTERNATIVE; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_ALTERNATIVE; -} - -/************************************************************************* - * trio_get_alignment / trio_set_alignment [public] - */ -int -trio_get_alignment -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_LEFTADJUST) - ? TRUE - : FALSE; -} - -void -trio_set_alignment -TRIO_ARGS2((ref, is_leftaligned), - trio_pointer_t ref, - int is_leftaligned) -{ - if (is_leftaligned) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_LEFTADJUST; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_LEFTADJUST; -} - -/************************************************************************* - * trio_get_spacing /trio_set_spacing [public] - */ -int -trio_get_spacing -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_SPACE) - ? TRUE - : FALSE; -} - -void -trio_set_spacing -TRIO_ARGS2((ref, is_space), - trio_pointer_t ref, - int is_space) -{ - if (is_space) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_SPACE; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_SPACE; -} - -/************************************************************************* - * trio_get_sign / trio_set_sign [public] - */ -int -trio_get_sign -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_SHOWSIGN) - ? TRUE - : FALSE; -} - -void -trio_set_sign -TRIO_ARGS2((ref, is_sign), - trio_pointer_t ref, - int is_sign) -{ - if (is_sign) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_SHOWSIGN; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_SHOWSIGN; -} - -/************************************************************************* - * trio_get_padding / trio_set_padding [public] - */ -int -trio_get_padding -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_NILPADDING) - ? TRUE - : FALSE; -} - -void -trio_set_padding -TRIO_ARGS2((ref, is_padding), - trio_pointer_t ref, - int is_padding) -{ - if (is_padding) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_NILPADDING; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_NILPADDING; -} - -/************************************************************************* - * trio_get_quote / trio_set_quote [public] - */ -int -trio_get_quote -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_QUOTE) - ? TRUE - : FALSE; -} - -void -trio_set_quote -TRIO_ARGS2((ref, is_quote), - trio_pointer_t ref, - int is_quote) -{ - if (is_quote) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_QUOTE; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_QUOTE; -} - -/************************************************************************* - * trio_get_upper / trio_set_upper [public] - */ -int -trio_get_upper -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_UPPER) - ? TRUE - : FALSE; -} - -void -trio_set_upper -TRIO_ARGS2((ref, is_upper), - trio_pointer_t ref, - int is_upper) -{ - if (is_upper) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_UPPER; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_UPPER; -} - -/************************************************************************* - * trio_get_largest / trio_set_largest [public] - */ -#if TRIO_C99 -int -trio_get_largest -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_INTMAX_T) - ? TRUE - : FALSE; -} - -void -trio_set_largest -TRIO_ARGS2((ref, is_largest), - trio_pointer_t ref, - int is_largest) -{ - if (is_largest) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_INTMAX_T; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_INTMAX_T; -} -#endif - -/************************************************************************* - * trio_get_ptrdiff / trio_set_ptrdiff [public] - */ -int -trio_get_ptrdiff -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_PTRDIFF_T) - ? TRUE - : FALSE; -} - -void -trio_set_ptrdiff -TRIO_ARGS2((ref, is_ptrdiff), - trio_pointer_t ref, - int is_ptrdiff) -{ - if (is_ptrdiff) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_PTRDIFF_T; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_PTRDIFF_T; -} - -/************************************************************************* - * trio_get_size / trio_set_size [public] - */ -#if TRIO_C99 -int -trio_get_size -TRIO_ARGS1((ref), - trio_pointer_t ref) -{ - return (((trio_reference_t *)ref)->parameter->flags & FLAGS_SIZE_T) - ? TRUE - : FALSE; -} - -void -trio_set_size -TRIO_ARGS2((ref, is_size), - trio_pointer_t ref, - int is_size) -{ - if (is_size) - ((trio_reference_t *)ref)->parameter->flags |= FLAGS_SIZE_T; - else - ((trio_reference_t *)ref)->parameter->flags &= ~FLAGS_SIZE_T; -} -#endif - -/************************************************************************* - * trio_print_int [public] - */ -void -trio_print_int -TRIO_ARGS2((ref, number), - trio_pointer_t ref, - int number) -{ - trio_reference_t *self = (trio_reference_t *)ref; - - TrioWriteNumber(self->data, - (trio_uintmax_t)number, - self->parameter->flags, - self->parameter->width, - self->parameter->precision, - self->parameter->base); -} - -/************************************************************************* - * trio_print_uint [public] - */ -void -trio_print_uint -TRIO_ARGS2((ref, number), - trio_pointer_t ref, - unsigned int number) -{ - trio_reference_t *self = (trio_reference_t *)ref; - - TrioWriteNumber(self->data, - (trio_uintmax_t)number, - self->parameter->flags | FLAGS_UNSIGNED, - self->parameter->width, - self->parameter->precision, - self->parameter->base); -} - -/************************************************************************* - * trio_print_double [public] - */ -void -trio_print_double -TRIO_ARGS2((ref, number), - trio_pointer_t ref, - double number) -{ - trio_reference_t *self = (trio_reference_t *)ref; - - TrioWriteDouble(self->data, - number, - self->parameter->flags, - self->parameter->width, - self->parameter->precision, - self->parameter->base); -} - -/************************************************************************* - * trio_print_string [public] - */ -void -trio_print_string -TRIO_ARGS2((ref, string), - trio_pointer_t ref, - char *string) -{ - trio_reference_t *self = (trio_reference_t *)ref; - - TrioWriteString(self->data, - string, - self->parameter->flags, - self->parameter->width, - self->parameter->precision); -} - -/************************************************************************* - * trio_print_ref [public] - */ -int -trio_print_ref -TRIO_VARGS3((ref, format, va_alist), - trio_pointer_t ref, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list arglist; - - assert(VALID(format)); - - TRIO_VA_START(arglist, format); - status = TrioFormatRef((trio_reference_t *)ref, format, TRIO_VA_LIST_ADDR(arglist), NULL); - TRIO_VA_END(arglist); - return status; -} - -/************************************************************************* - * trio_vprint_ref [public] - */ -int -trio_vprint_ref -TRIO_ARGS3((ref, format, arglist), - trio_pointer_t ref, - TRIO_CONST char *format, - va_list arglist) -{ - assert(VALID(format)); - - return TrioFormatRef((trio_reference_t *)ref, format, TRIO_VA_LIST_ADDR(arglist), NULL); -} - -/************************************************************************* - * trio_printv_ref [public] - */ -int -trio_printv_ref -TRIO_ARGS3((ref, format, argarray), - trio_pointer_t ref, - TRIO_CONST char *format, - trio_pointer_t *argarray) -{ - assert(VALID(format)); - - return TrioFormatRef((trio_reference_t *)ref, format, NULL, argarray); -} - -#endif /* TRIO_EXTENSION */ - -/************************************************************************* - * trio_print_pointer [public] - */ -void -trio_print_pointer -TRIO_ARGS2((ref, pointer), - trio_pointer_t ref, - trio_pointer_t pointer) -{ - trio_reference_t *self = (trio_reference_t *)ref; - trio_flags_t flags; - trio_uintmax_t number; - - if (NULL == pointer) - { - TRIO_CONST char *string = internalNullString; - while (*string) - self->data->OutStream(self->data, *string++); - } - else - { - /* - * The subtraction of the null pointer is a workaround - * to avoid a compiler warning. The performance overhead - * is negligible (and likely to be removed by an - * optimizing compiler). The (char *) casting is done - * to please ANSI C++. - */ - number = (trio_uintmax_t)((char *)pointer - (char *)0); - /* Shrink to size of pointer */ - number &= (trio_uintmax_t)-1; - flags = self->parameter->flags; - flags |= (FLAGS_UNSIGNED | FLAGS_ALTERNATIVE | - FLAGS_NILPADDING); - TrioWriteNumber(self->data, - number, - flags, - POINTER_WIDTH, - NO_PRECISION, - BASE_HEX); - } -} - -/** @} End of UserDefined documentation module */ - -/************************************************************************* - * - * LOCALES - * - ************************************************************************/ - -/************************************************************************* - * trio_locale_set_decimal_point - * - * Decimal point can only be one character. The input argument is a - * string to enable multibyte characters. At most MB_LEN_MAX characters - * will be used. - */ -TRIO_PUBLIC void -trio_locale_set_decimal_point -TRIO_ARGS1((decimalPoint), - char *decimalPoint) -{ -#if defined(USE_LOCALE) - if (NULL == internalLocaleValues) - { - TrioSetLocale(); - } -#endif - internalDecimalPointLength = trio_length(decimalPoint); - if (internalDecimalPointLength == 1) - { - internalDecimalPoint = *decimalPoint; - } - else - { - internalDecimalPoint = NIL; - trio_copy_max(internalDecimalPointString, - sizeof(internalDecimalPointString), - decimalPoint); - } -} - -/************************************************************************* - * trio_locale_set_thousand_separator - * - * See trio_locale_set_decimal_point - */ -TRIO_PUBLIC void -trio_locale_set_thousand_separator -TRIO_ARGS1((thousandSeparator), - char *thousandSeparator) -{ -#if defined(USE_LOCALE) - if (NULL == internalLocaleValues) - { - TrioSetLocale(); - } -#endif - trio_copy_max(internalThousandSeparator, - sizeof(internalThousandSeparator), - thousandSeparator); - internalThousandSeparatorLength = trio_length(internalThousandSeparator); -} - -/************************************************************************* - * trio_locale_set_grouping - * - * Array of bytes. Reversed order. - * - * CHAR_MAX : No further grouping - * 0 : Repeat last group for the remaining digits (not necessary - * as C strings are zero-terminated) - * n : Set current group to n - * - * Same order as the grouping attribute in LC_NUMERIC. - */ -TRIO_PUBLIC void -trio_locale_set_grouping -TRIO_ARGS1((grouping), - char *grouping) -{ -#if defined(USE_LOCALE) - if (NULL == internalLocaleValues) - { - TrioSetLocale(); - } -#endif - trio_copy_max(internalGrouping, - sizeof(internalGrouping), - grouping); -} - - -/************************************************************************* - * - * SCANNING - * - ************************************************************************/ - -/************************************************************************* - * TrioSkipWhitespaces - */ -TRIO_PRIVATE int -TrioSkipWhitespaces -TRIO_ARGS1((self), - trio_class_t *self) -{ - int ch; - - ch = self->current; - while (isspace(ch)) - { - self->InStream(self, &ch); - } - return ch; -} - -/************************************************************************* - * TrioGetCollation - */ -#if TRIO_EXTENSION -TRIO_PRIVATE void -TrioGetCollation(TRIO_NOARGS) -{ - int i; - int j; - int k; - char first[2]; - char second[2]; - - /* This is computationally expensive */ - first[1] = NIL; - second[1] = NIL; - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - { - k = 0; - first[0] = (char)i; - for (j = 0; j < MAX_CHARACTER_CLASS; j++) - { - second[0] = (char)j; - if (trio_equal_locale(first, second)) - internalCollationArray[i][k++] = (char)j; - } - internalCollationArray[i][k] = NIL; - } -} -#endif - -/************************************************************************* - * TrioGetCharacterClass - * - * FIXME: - * multibyte - */ -TRIO_PRIVATE int -TrioGetCharacterClass -TRIO_ARGS4((format, indexPointer, flagsPointer, characterclass), - TRIO_CONST char *format, - int *indexPointer, - trio_flags_t *flagsPointer, - int *characterclass) -{ - int index = *indexPointer; - int i; - char ch; - char range_begin; - char range_end; - - *flagsPointer &= ~FLAGS_EXCLUDE; - - if (format[index] == QUALIFIER_CIRCUMFLEX) - { - *flagsPointer |= FLAGS_EXCLUDE; - index++; - } - /* - * If the ungroup character is at the beginning of the scanlist, - * it will be part of the class, and a second ungroup character - * must follow to end the group. - */ - if (format[index] == SPECIFIER_UNGROUP) - { - characterclass[(int)SPECIFIER_UNGROUP]++; - index++; - } - /* - * Minus is used to specify ranges. To include minus in the class, - * it must be at the beginning of the list - */ - if (format[index] == QUALIFIER_MINUS) - { - characterclass[(int)QUALIFIER_MINUS]++; - index++; - } - /* Collect characters */ - for (ch = format[index]; - (ch != SPECIFIER_UNGROUP) && (ch != NIL); - ch = format[++index]) - { - switch (ch) - { - case QUALIFIER_MINUS: /* Scanlist ranges */ - - /* - * Both C99 and UNIX98 describes ranges as implementation- - * defined. - * - * We support the following behaviour (although this may - * change as we become wiser) - * - only increasing ranges, ie. [a-b] but not [b-a] - * - transitive ranges, ie. [a-b-c] == [a-c] - * - trailing minus, ie. [a-] is interpreted as an 'a' - * and a '-' - * - duplicates (although we can easily convert these - * into errors) - */ - range_begin = format[index - 1]; - range_end = format[++index]; - if (range_end == SPECIFIER_UNGROUP) - { - /* Trailing minus is included */ - characterclass[(int)ch]++; - ch = range_end; - break; /* for */ - } - if (range_end == NIL) - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - if (range_begin > range_end) - return TRIO_ERROR_RETURN(TRIO_ERANGE, index); - - for (i = (int)range_begin; i <= (int)range_end; i++) - characterclass[i]++; - - ch = range_end; - break; - -#if TRIO_EXTENSION - - case SPECIFIER_GROUP: - - switch (format[index + 1]) - { - case QUALIFIER_DOT: /* Collating symbol */ - /* - * FIXME: This will be easier to implement when multibyte - * characters have been implemented. Until now, we ignore - * this feature. - */ - for (i = index + 2; ; i++) - { - if (format[i] == NIL) - /* Error in syntax */ - return -1; - else if (format[i] == QUALIFIER_DOT) - break; /* for */ - } - if (format[++i] != SPECIFIER_UNGROUP) - return -1; - - index = i; - break; - - case QUALIFIER_EQUAL: /* Equivalence class expressions */ - { - unsigned int j; - unsigned int k; - - if (internalCollationUnconverted) - { - /* Lazy evaluation of collation array */ - TrioGetCollation(); - internalCollationUnconverted = FALSE; - } - for (i = index + 2; ; i++) - { - if (format[i] == NIL) - /* Error in syntax */ - return -1; - else if (format[i] == QUALIFIER_EQUAL) - break; /* for */ - else - { - /* Mark any equivalent character */ - k = (unsigned int)format[i]; - for (j = 0; internalCollationArray[k][j] != NIL; j++) - characterclass[(int)internalCollationArray[k][j]]++; - } - } - if (format[++i] != SPECIFIER_UNGROUP) - return -1; - - index = i; - } - break; - - case QUALIFIER_COLON: /* Character class expressions */ - - if (trio_equal_max(CLASS_ALNUM, sizeof(CLASS_ALNUM) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isalnum(i)) - characterclass[i]++; - index += sizeof(CLASS_ALNUM) - 1; - } - else if (trio_equal_max(CLASS_ALPHA, sizeof(CLASS_ALPHA) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isalpha(i)) - characterclass[i]++; - index += sizeof(CLASS_ALPHA) - 1; - } - else if (trio_equal_max(CLASS_CNTRL, sizeof(CLASS_CNTRL) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (iscntrl(i)) - characterclass[i]++; - index += sizeof(CLASS_CNTRL) - 1; - } - else if (trio_equal_max(CLASS_DIGIT, sizeof(CLASS_DIGIT) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isdigit(i)) - characterclass[i]++; - index += sizeof(CLASS_DIGIT) - 1; - } - else if (trio_equal_max(CLASS_GRAPH, sizeof(CLASS_GRAPH) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isgraph(i)) - characterclass[i]++; - index += sizeof(CLASS_GRAPH) - 1; - } - else if (trio_equal_max(CLASS_LOWER, sizeof(CLASS_LOWER) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (islower(i)) - characterclass[i]++; - index += sizeof(CLASS_LOWER) - 1; - } - else if (trio_equal_max(CLASS_PRINT, sizeof(CLASS_PRINT) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isprint(i)) - characterclass[i]++; - index += sizeof(CLASS_PRINT) - 1; - } - else if (trio_equal_max(CLASS_PUNCT, sizeof(CLASS_PUNCT) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (ispunct(i)) - characterclass[i]++; - index += sizeof(CLASS_PUNCT) - 1; - } - else if (trio_equal_max(CLASS_SPACE, sizeof(CLASS_SPACE) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isspace(i)) - characterclass[i]++; - index += sizeof(CLASS_SPACE) - 1; - } - else if (trio_equal_max(CLASS_UPPER, sizeof(CLASS_UPPER) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isupper(i)) - characterclass[i]++; - index += sizeof(CLASS_UPPER) - 1; - } - else if (trio_equal_max(CLASS_XDIGIT, sizeof(CLASS_XDIGIT) - 1, - &format[index])) - { - for (i = 0; i < MAX_CHARACTER_CLASS; i++) - if (isxdigit(i)) - characterclass[i]++; - index += sizeof(CLASS_XDIGIT) - 1; - } - else - { - characterclass[(int)ch]++; - } - break; - - default: - characterclass[(int)ch]++; - break; - } - break; - -#endif /* TRIO_EXTENSION */ - - default: - characterclass[(int)ch]++; - break; - } - } - return 0; -} - -/************************************************************************* - * TrioReadNumber - * - * We implement our own number conversion in preference of strtol and - * strtoul, because we must handle 'long long' and thousand separators. - */ -TRIO_PRIVATE BOOLEAN_T -TrioReadNumber -TRIO_ARGS5((self, target, flags, width, base), - trio_class_t *self, - trio_uintmax_t *target, - trio_flags_t flags, - int width, - int base) -{ - trio_uintmax_t number = 0; - int digit; - int count; - BOOLEAN_T isNegative = FALSE; - BOOLEAN_T gotNumber = FALSE; - int j; - - assert(VALID(self)); - assert(VALID(self->InStream)); - assert((base >= MIN_BASE && base <= MAX_BASE) || (base == NO_BASE)); - - if (internalDigitsUnconverted) - { - /* Lazy evaluation of digits array */ - memset(internalDigitArray, -1, sizeof(internalDigitArray)); - for (j = 0; j < (int)sizeof(internalDigitsLower) - 1; j++) - { - internalDigitArray[(int)internalDigitsLower[j]] = j; - internalDigitArray[(int)internalDigitsUpper[j]] = j; - } - internalDigitsUnconverted = FALSE; - } - - TrioSkipWhitespaces(self); - - if (!(flags & FLAGS_UNSIGNED)) - { - /* Leading sign */ - if (self->current == '+') - { - self->InStream(self, NULL); - } - else if (self->current == '-') - { - self->InStream(self, NULL); - isNegative = TRUE; - } - } - - count = self->processed; - - if (flags & FLAGS_ALTERNATIVE) - { - switch (base) - { - case NO_BASE: - case BASE_OCTAL: - case BASE_HEX: - case BASE_BINARY: - if (self->current == '0') - { - self->InStream(self, NULL); - if (self->current) - { - if ((base == BASE_HEX) && - (trio_to_upper(self->current) == 'X')) - { - self->InStream(self, NULL); - } - else if ((base == BASE_BINARY) && - (trio_to_upper(self->current) == 'B')) - { - self->InStream(self, NULL); - } - } - } - else - return FALSE; - break; - default: - break; - } - } - - while (((width == NO_WIDTH) || (self->processed - count < width)) && - (! ((self->current == EOF) || isspace(self->current)))) - { - if (isascii(self->current)) - { - digit = internalDigitArray[self->current]; - /* Abort if digit is not allowed in the specified base */ - if ((digit == -1) || (digit >= base)) - break; - } - else if (flags & FLAGS_QUOTE) - { - /* Compare with thousands separator */ - for (j = 0; internalThousandSeparator[j] && self->current; j++) - { - if (internalThousandSeparator[j] != self->current) - break; - - self->InStream(self, NULL); - } - if (internalThousandSeparator[j]) - break; /* Mismatch */ - else - continue; /* Match */ - } - else - break; - - number *= base; - number += digit; - gotNumber = TRUE; /* we need at least one digit */ - - self->InStream(self, NULL); - } - - /* Was anything read at all? */ - if (!gotNumber) - return FALSE; - - if (target) - *target = (isNegative) ? -((trio_intmax_t)number) : number; - return TRUE; -} - -/************************************************************************* - * TrioReadChar - */ -TRIO_PRIVATE int -TrioReadChar -TRIO_ARGS4((self, target, flags, width), - trio_class_t *self, - char *target, - trio_flags_t flags, - int width) -{ - int i; - char ch; - trio_uintmax_t number; - - assert(VALID(self)); - assert(VALID(self->InStream)); - - for (i = 0; - (self->current != EOF) && (i < width); - i++) - { - ch = (char)self->current; - self->InStream(self, NULL); - if ((flags & FLAGS_ALTERNATIVE) && (ch == CHAR_BACKSLASH)) - { - switch (self->current) - { - case '\\': ch = '\\'; break; - case 'a': ch = '\007'; break; - case 'b': ch = '\b'; break; - case 'f': ch = '\f'; break; - case 'n': ch = '\n'; break; - case 'r': ch = '\r'; break; - case 't': ch = '\t'; break; - case 'v': ch = '\v'; break; - default: - if (isdigit(self->current)) - { - /* Read octal number */ - if (!TrioReadNumber(self, &number, 0, 3, BASE_OCTAL)) - return 0; - ch = (char)number; - } - else if (trio_to_upper(self->current) == 'X') - { - /* Read hexadecimal number */ - self->InStream(self, NULL); - if (!TrioReadNumber(self, &number, 0, 2, BASE_HEX)) - return 0; - ch = (char)number; - } - else - { - ch = (char)self->current; - } - break; - } - } - - if (target) - target[i] = ch; - } - return i + 1; -} - -/************************************************************************* - * TrioReadString - */ -TRIO_PRIVATE BOOLEAN_T -TrioReadString -TRIO_ARGS4((self, target, flags, width), - trio_class_t *self, - char *target, - trio_flags_t flags, - int width) -{ - int i; - - assert(VALID(self)); - assert(VALID(self->InStream)); - - TrioSkipWhitespaces(self); - - /* - * Continue until end of string is reached, a whitespace is encountered, - * or width is exceeded - */ - for (i = 0; - ((width == NO_WIDTH) || (i < width)) && - (! ((self->current == EOF) || isspace(self->current))); - i++) - { - if (TrioReadChar(self, (target ? &target[i] : 0), flags, 1) == 0) - break; /* for */ - } - if (target) - target[i] = NIL; - return TRUE; -} - -/************************************************************************* - * TrioReadWideChar - */ -#if TRIO_WIDECHAR -TRIO_PRIVATE int -TrioReadWideChar -TRIO_ARGS4((self, target, flags, width), - trio_class_t *self, - trio_wchar_t *target, - trio_flags_t flags, - int width) -{ - int i; - int j; - int size; - int amount = 0; - trio_wchar_t wch; - char buffer[MB_LEN_MAX + 1]; - - assert(VALID(self)); - assert(VALID(self->InStream)); - - for (i = 0; - (self->current != EOF) && (i < width); - i++) - { - if (isascii(self->current)) - { - if (TrioReadChar(self, buffer, flags, 1) == 0) - return 0; - buffer[1] = NIL; - } - else - { - /* - * Collect a multibyte character, by enlarging buffer until - * it contains a fully legal multibyte character, or the - * buffer is full. - */ - j = 0; - do - { - buffer[j++] = (char)self->current; - buffer[j] = NIL; - self->InStream(self, NULL); - } - while ((j < (int)sizeof(buffer)) && (mblen(buffer, (size_t)j) != j)); - } - if (target) - { - size = mbtowc(&wch, buffer, sizeof(buffer)); - if (size > 0) - target[i] = wch; - } - amount += size; - self->InStream(self, NULL); - } - return amount; -} -#endif /* TRIO_WIDECHAR */ - -/************************************************************************* - * TrioReadWideString - */ -#if TRIO_WIDECHAR -TRIO_PRIVATE BOOLEAN_T -TrioReadWideString -TRIO_ARGS4((self, target, flags, width), - trio_class_t *self, - trio_wchar_t *target, - trio_flags_t flags, - int width) -{ - int i; - int size; - - assert(VALID(self)); - assert(VALID(self->InStream)); - - TrioSkipWhitespaces(self); - -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - (void)mblen(NULL, 0); -#endif - - /* - * Continue until end of string is reached, a whitespace is encountered, - * or width is exceeded - */ - for (i = 0; - ((width == NO_WIDTH) || (i < width)) && - (! ((self->current == EOF) || isspace(self->current))); - ) - { - size = TrioReadWideChar(self, &target[i], flags, 1); - if (size == 0) - break; /* for */ - - i += size; - } - if (target) - target[i] = WCONST('\0'); - return TRUE; -} -#endif /* TRIO_WIDECHAR */ - -/************************************************************************* - * TrioReadGroup - * - * FIXME: characterclass does not work with multibyte characters - */ -TRIO_PRIVATE BOOLEAN_T -TrioReadGroup -TRIO_ARGS5((self, target, characterclass, flags, width), - trio_class_t *self, - char *target, - int *characterclass, - trio_flags_t flags, - int width) -{ - int ch; - int i; - - assert(VALID(self)); - assert(VALID(self->InStream)); - - ch = self->current; - for (i = 0; - ((width == NO_WIDTH) || (i < width)) && - (! ((ch == EOF) || - (((flags & FLAGS_EXCLUDE) != 0) ^ (characterclass[ch] == 0)))); - i++) - { - if (target) - target[i] = (char)ch; - self->InStream(self, &ch); - } - - if (target) - target[i] = NIL; - return TRUE; -} - -/************************************************************************* - * TrioReadDouble - * - * FIXME: - * add long double - * handle base - */ -TRIO_PRIVATE BOOLEAN_T -TrioReadDouble -TRIO_ARGS4((self, target, flags, width), - trio_class_t *self, - trio_pointer_t target, - trio_flags_t flags, - int width) -{ - int ch; - char doubleString[512]; - int index = 0; - int start; - int j; - BOOLEAN_T isHex = FALSE; - - doubleString[0] = 0; - - if ((width == NO_WIDTH) || (width > (int)sizeof(doubleString) - 1)) - width = sizeof(doubleString) - 1; - - TrioSkipWhitespaces(self); - - /* - * Read entire double number from stream. trio_to_double requires - * a string as input, but InStream can be anything, so we have to - * collect all characters. - */ - ch = self->current; - if ((ch == '+') || (ch == '-')) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - width--; - } - - start = index; - switch (ch) - { - case 'n': - case 'N': - /* Not-a-number */ - if (index != 0) - break; - /* FALLTHROUGH */ - case 'i': - case 'I': - /* Infinity */ - while (isalpha(ch) && (index - start < width)) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - doubleString[index] = NIL; - - /* Case insensitive string comparison */ - if (trio_equal(&doubleString[start], INFINITE_UPPER) || - trio_equal(&doubleString[start], LONG_INFINITE_UPPER)) - { - if (flags & FLAGS_LONGDOUBLE) - { - if ((start == 1) && (doubleString[0] == '-')) - { - *((trio_long_double_t *)target) = trio_ninf(); - } - else - { - *((trio_long_double_t *)target) = trio_pinf(); - } - } - else - { - if ((start == 1) && (doubleString[0] == '-')) - { - *((double *)target) = trio_ninf(); - } - else - { - *((double *)target) = trio_pinf(); - } - } - return TRUE; - } - if (trio_equal(doubleString, NAN_UPPER)) - { - /* NaN must not have a preceeding + nor - */ - if (flags & FLAGS_LONGDOUBLE) - { - *((trio_long_double_t *)target) = trio_nan(); - } - else - { - *((double *)target) = trio_nan(); - } - return TRUE; - } - return FALSE; - - case '0': - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - if (trio_to_upper(ch) == 'X') - { - isHex = TRUE; - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - break; - - default: - break; - } - - while ((ch != EOF) && (index - start < width)) - { - /* Integer part */ - if (isHex ? isxdigit(ch) : isdigit(ch)) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - else if (flags & FLAGS_QUOTE) - { - /* Compare with thousands separator */ - for (j = 0; internalThousandSeparator[j] && self->current; j++) - { - if (internalThousandSeparator[j] != self->current) - break; - - self->InStream(self, &ch); - } - if (internalThousandSeparator[j]) - break; /* Mismatch */ - else - continue; /* Match */ - } - else - break; /* while */ - } - if (ch == '.') - { - /* Decimal part */ - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - while ((isHex ? isxdigit(ch) : isdigit(ch)) && - (index - start < width)) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - if (isHex ? (trio_to_upper(ch) == 'P') : (trio_to_upper(ch) == 'E')) - { - /* Exponent */ - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - if ((ch == '+') || (ch == '-')) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - while (isdigit(ch) && (index - start < width)) - { - doubleString[index++] = (char)ch; - self->InStream(self, &ch); - } - } - } - - if ((index == start) || (*doubleString == NIL)) - return FALSE; - - doubleString[index] = 0; - - if (flags & FLAGS_LONGDOUBLE) - { - *((trio_long_double_t *)target) = trio_to_long_double(doubleString, NULL); - } - else - { - *((double *)target) = trio_to_double(doubleString, NULL); - } - return TRUE; -} - -/************************************************************************* - * TrioReadPointer - */ -TRIO_PRIVATE BOOLEAN_T -TrioReadPointer -TRIO_ARGS3((self, target, flags), - trio_class_t *self, - trio_pointer_t *target, - trio_flags_t flags) -{ - trio_uintmax_t number; - char buffer[sizeof(internalNullString)]; - - flags |= (FLAGS_UNSIGNED | FLAGS_ALTERNATIVE | FLAGS_NILPADDING); - - if (TrioReadNumber(self, - &number, - flags, - POINTER_WIDTH, - BASE_HEX)) - { - /* - * The strange assignment of number is a workaround for a compiler - * warning - */ - if (target) - *target = (char *)0 + number; - return TRUE; - } - else if (TrioReadString(self, - (flags & FLAGS_IGNORE) - ? NULL - : buffer, - 0, - sizeof(internalNullString) - 1)) - { - if (trio_equal_case(buffer, internalNullString)) - { - if (target) - *target = NULL; - return TRUE; - } - } - return FALSE; -} - -/************************************************************************* - * TrioScanProcess - */ -TRIO_PRIVATE int -TrioScanProcess -TRIO_ARGS3((data, format, parameters), - trio_class_t *data, - TRIO_CONST char *format, - trio_parameter_t *parameters) -{ -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - int charlen; - int cnt; -#endif - int assignment; - int ch; - int index; /* Index of format string */ - int i; /* Index of current parameter */ - trio_flags_t flags; - int width; - int base; - trio_pointer_t pointer; - - assignment = 0; - i = 0; - index = 0; - data->InStream(data, &ch); - -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - (void)mblen(NULL, 0); -#endif - - while (format[index]) - { -#if defined(TRIO_COMPILER_SUPPORTS_MULTIBYTE) - if (! isascii(format[index])) - { - charlen = mblen(&format[index], MB_LEN_MAX); - if (charlen != -1) - { - /* Compare multibyte characters in format string */ - for (cnt = 0; cnt < charlen - 1; cnt++) - { - if (ch != format[index + cnt]) - { - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - data->InStream(data, &ch); - } - continue; /* while characters left in formatting string */ - } - } -#endif /* TRIO_COMPILER_SUPPORTS_MULTIBYTE */ - - if ((EOF == ch) && (parameters[i].type != FORMAT_COUNT)) - { - return (assignment > 0) ? assignment : EOF; - } - - if (CHAR_IDENTIFIER == format[index]) - { - if (CHAR_IDENTIFIER == format[index + 1]) - { - /* Two % in format matches one % in input stream */ - if (CHAR_IDENTIFIER == ch) - { - data->InStream(data, &ch); - index += 2; - continue; /* while format chars left */ - } - else - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - - /* Skip the parameter entries */ - while (parameters[i].type == FORMAT_PARAMETER) - i++; - - flags = parameters[i].flags; - /* Find width */ - width = parameters[i].width; - if (flags & FLAGS_WIDTH_PARAMETER) - { - /* Get width from parameter list */ - width = (int)parameters[width].data.number.as_signed; - } - /* Find base */ - base = parameters[i].base; - if (flags & FLAGS_BASE_PARAMETER) - { - /* Get base from parameter list */ - base = (int)parameters[base].data.number.as_signed; - } - - switch (parameters[i].type) - { - case FORMAT_INT: - { - trio_uintmax_t number; - - if (0 == base) - base = BASE_DECIMAL; - - if (!TrioReadNumber(data, - &number, - flags, - width, - base)) - return assignment; - - if (!(flags & FLAGS_IGNORE)) - { - assignment++; - - pointer = parameters[i].data.pointer; -#if defined(QUALIFIER_SIZE_T) || defined(QUALIFIER_SIZE_T_UPPER) - if (flags & FLAGS_SIZE_T) - *(size_t *)pointer = (size_t)number; - else -#endif -#if defined(QUALIFIER_PTRDIFF_T) - if (flags & FLAGS_PTRDIFF_T) - *(ptrdiff_t *)pointer = (ptrdiff_t)number; - else -#endif -#if defined(QUALIFIER_INTMAX_T) - if (flags & FLAGS_INTMAX_T) - *(trio_intmax_t *)pointer = (trio_intmax_t)number; - else -#endif - if (flags & FLAGS_QUAD) - *(trio_ulonglong_t *)pointer = (trio_ulonglong_t)number; - else if (flags & FLAGS_LONG) - *(long int *)pointer = (long int)number; - else if (flags & FLAGS_SHORT) - *(short int *)pointer = (short int)number; - else - *(int *)pointer = (int)number; - } - } - break; /* FORMAT_INT */ - - case FORMAT_STRING: -#if TRIO_WIDECHAR - if (flags & FLAGS_WIDECHAR) - { - if (!TrioReadWideString(data, - (flags & FLAGS_IGNORE) - ? NULL - : parameters[i].data.wstring, - flags, - width)) - return assignment; - } - else -#endif - { - if (!TrioReadString(data, - (flags & FLAGS_IGNORE) - ? NULL - : parameters[i].data.string, - flags, - width)) - return assignment; - } - if (!(flags & FLAGS_IGNORE)) - assignment++; - break; /* FORMAT_STRING */ - - case FORMAT_DOUBLE: - { - trio_pointer_t pointer; - - if (flags & FLAGS_IGNORE) - { - pointer = NULL; - } - else - { - pointer = (flags & FLAGS_LONGDOUBLE) - ? (trio_pointer_t)parameters[i].data.longdoublePointer - : (trio_pointer_t)parameters[i].data.doublePointer; - } - if (!TrioReadDouble(data, pointer, flags, width)) - { - return assignment; - } - if (!(flags & FLAGS_IGNORE)) - { - assignment++; - } - break; /* FORMAT_DOUBLE */ - } - case FORMAT_GROUP: - { - int characterclass[MAX_CHARACTER_CLASS + 1]; - int rc; - - /* Skip over modifiers */ - while (format[index] != SPECIFIER_GROUP) - { - index++; - } - /* Skip over group specifier */ - index++; - - memset(characterclass, 0, sizeof(characterclass)); - rc = TrioGetCharacterClass(format, - &index, - &flags, - characterclass); - if (rc < 0) - return rc; - - if (!TrioReadGroup(data, - (flags & FLAGS_IGNORE) - ? NULL - : parameters[i].data.string, - characterclass, - flags, - parameters[i].width)) - return assignment; - if (!(flags & FLAGS_IGNORE)) - assignment++; - } - break; /* FORMAT_GROUP */ - - case FORMAT_COUNT: - pointer = parameters[i].data.pointer; - if (NULL != pointer) - { - int count = data->committed; - if (ch != EOF) - count--; /* a character is read, but is not consumed yet */ -#if defined(QUALIFIER_SIZE_T) || defined(QUALIFIER_SIZE_T_UPPER) - if (flags & FLAGS_SIZE_T) - *(size_t *)pointer = (size_t)count; - else -#endif -#if defined(QUALIFIER_PTRDIFF_T) - if (flags & FLAGS_PTRDIFF_T) - *(ptrdiff_t *)pointer = (ptrdiff_t)count; - else -#endif -#if defined(QUALIFIER_INTMAX_T) - if (flags & FLAGS_INTMAX_T) - *(trio_intmax_t *)pointer = (trio_intmax_t)count; - else -#endif - if (flags & FLAGS_QUAD) - { - *(trio_ulonglong_t *)pointer = (trio_ulonglong_t)count; - } - else if (flags & FLAGS_LONG) - { - *(long int *)pointer = (long int)count; - } - else if (flags & FLAGS_SHORT) - { - *(short int *)pointer = (short int)count; - } - else - { - *(int *)pointer = (int)count; - } - } - break; /* FORMAT_COUNT */ - - case FORMAT_CHAR: -#if TRIO_WIDECHAR - if (flags & FLAGS_WIDECHAR) - { - if (TrioReadWideChar(data, - (flags & FLAGS_IGNORE) - ? NULL - : parameters[i].data.wstring, - flags, - (width == NO_WIDTH) ? 1 : width) == 0) - return assignment; - } - else -#endif - { - if (TrioReadChar(data, - (flags & FLAGS_IGNORE) - ? NULL - : parameters[i].data.string, - flags, - (width == NO_WIDTH) ? 1 : width) == 0) - return assignment; - } - if (!(flags & FLAGS_IGNORE)) - assignment++; - break; /* FORMAT_CHAR */ - - case FORMAT_POINTER: - if (!TrioReadPointer(data, - (flags & FLAGS_IGNORE) - ? NULL - : (trio_pointer_t *)parameters[i].data.pointer, - flags)) - return assignment; - if (!(flags & FLAGS_IGNORE)) - assignment++; - break; /* FORMAT_POINTER */ - - case FORMAT_PARAMETER: - break; /* FORMAT_PARAMETER */ - - default: - return TRIO_ERROR_RETURN(TRIO_EINVAL, index); - } - ch = data->current; - index = parameters[i].indexAfterSpecifier; - i++; - } - else /* Not an % identifier */ - { - if (isspace((int)format[index])) - { - /* Whitespaces may match any amount of whitespaces */ - ch = TrioSkipWhitespaces(data); - } - else if (ch == format[index]) - { - data->InStream(data, &ch); - } - else - return assignment; - - index++; - } - } - return assignment; -} - -/************************************************************************* - * TrioScan - */ -TRIO_PRIVATE int -TrioScan -TRIO_ARGS6((source, sourceSize, InStream, format, arglist, argarray), - trio_pointer_t source, - size_t sourceSize, - void (*InStream) TRIO_PROTO((trio_class_t *, int *)), - TRIO_CONST char *format, - TRIO_VA_LIST_PTR arglist, - trio_pointer_t *argarray) -{ - int status; - trio_parameter_t parameters[MAX_PARAMETERS]; - trio_class_t data; - - assert(VALID(InStream)); - assert(VALID(format)); - - memset(&data, 0, sizeof(data)); - data.InStream = InStream; - data.location = (trio_pointer_t)source; - data.max = sourceSize; - data.error = 0; - -#if defined(USE_LOCALE) - if (NULL == internalLocaleValues) - { - TrioSetLocale(); - } -#endif - - status = TrioParse(TYPE_SCAN, format, parameters, arglist, argarray); - if (status < 0) - return status; - - status = TrioScanProcess(&data, format, parameters); - if (data.error != 0) - { - status = data.error; - } - return status; -} - -/************************************************************************* - * TrioInStreamFile - */ -TRIO_PRIVATE void -TrioInStreamFile -TRIO_ARGS2((self, intPointer), - trio_class_t *self, - int *intPointer) -{ - FILE *file; - - assert(VALID(self)); - assert(VALID(self->location)); - assert(VALID(file)); - - file = (FILE *)self->location; - - self->current = fgetc(file); - if (self->current == EOF) - { - self->error = (ferror(file)) - ? TRIO_ERROR_RETURN(TRIO_ERRNO, 0) - : TRIO_ERROR_RETURN(TRIO_EOF, 0); - } - else - { - self->processed++; - self->committed++; - } - - if (VALID(intPointer)) - { - *intPointer = self->current; - } -} - -/************************************************************************* - * TrioInStreamFileDescriptor - */ -TRIO_PRIVATE void -TrioInStreamFileDescriptor -TRIO_ARGS2((self, intPointer), - trio_class_t *self, - int *intPointer) -{ - int fd; - int size; - unsigned char input; - - assert(VALID(self)); - assert(VALID(self->location)); - - fd = *((int *)self->location); - - size = read(fd, &input, sizeof(char)); - if (size == -1) - { - self->error = TRIO_ERROR_RETURN(TRIO_ERRNO, 0); - self->current = EOF; - } - else - { - self->current = (size == 0) ? EOF : input; - } - if (self->current != EOF) - { - self->committed++; - self->processed++; - } - - if (VALID(intPointer)) - { - *intPointer = self->current; - } -} - -/************************************************************************* - * TrioInStreamCustom - */ -TRIO_PRIVATE void -TrioInStreamCustom -TRIO_ARGS2((self, intPointer), - trio_class_t *self, - int *intPointer) -{ - trio_custom_t *data; - - assert(VALID(self)); - assert(VALID(self->location)); - - data = (trio_custom_t *)self->location; - - self->current = (data->stream.in == NULL) - ? NIL - : (data->stream.in)(data->closure); - - if (self->current == NIL) - { - self->current = EOF; - } - else - { - self->processed++; - self->committed++; - } - - if (VALID(intPointer)) - { - *intPointer = self->current; - } -} - -/************************************************************************* - * TrioInStreamString - */ -TRIO_PRIVATE void -TrioInStreamString -TRIO_ARGS2((self, intPointer), - trio_class_t *self, - int *intPointer) -{ - unsigned char **buffer; - - assert(VALID(self)); - assert(VALID(self->location)); - - buffer = (unsigned char **)self->location; - self->current = (*buffer)[0]; - if (self->current == NIL) - { - self->current = EOF; - } - else - { - (*buffer)++; - self->processed++; - self->committed++; - } - - if (VALID(intPointer)) - { - *intPointer = self->current; - } -} - -/************************************************************************* - * - * Formatted scanning functions - * - ************************************************************************/ - -#if defined(TRIO_DOCUMENTATION) -# include "doc/doc_scanf.h" -#endif -/** @addtogroup Scanf - @{ -*/ - -/************************************************************************* - * scanf - */ - -/** - Scan characters from standard input stream. - - @param format Formatting string. - @param ... Arguments. - @return Number of scanned characters. - */ -TRIO_PUBLIC int -trio_scanf -TRIO_VARGS2((format, va_alist), - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioScan((trio_pointer_t)stdin, 0, - TrioInStreamFile, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vscanf -TRIO_ARGS2((format, args), - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(format)); - - return TrioScan((trio_pointer_t)stdin, 0, - TrioInStreamFile, - format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_scanfv -TRIO_ARGS2((format, args), - TRIO_CONST char *format, - trio_pointer_t *args) -{ - assert(VALID(format)); - - return TrioScan((trio_pointer_t)stdin, 0, - TrioInStreamFile, - format, NULL, args); -} - -/************************************************************************* - * fscanf - */ -TRIO_PUBLIC int -trio_fscanf -TRIO_VARGS3((file, format, va_alist), - FILE *file, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(file)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioScan((trio_pointer_t)file, 0, - TrioInStreamFile, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vfscanf -TRIO_ARGS3((file, format, args), - FILE *file, - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(file)); - assert(VALID(format)); - - return TrioScan((trio_pointer_t)file, 0, - TrioInStreamFile, - format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_fscanfv -TRIO_ARGS3((file, format, args), - FILE *file, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - assert(VALID(file)); - assert(VALID(format)); - - return TrioScan((trio_pointer_t)file, 0, - TrioInStreamFile, - format, NULL, args); -} - -/************************************************************************* - * dscanf - */ -TRIO_PUBLIC int -trio_dscanf -TRIO_VARGS3((fd, format, va_alist), - int fd, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioScan((trio_pointer_t)&fd, 0, - TrioInStreamFileDescriptor, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vdscanf -TRIO_ARGS3((fd, format, args), - int fd, - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(format)); - - return TrioScan((trio_pointer_t)&fd, 0, - TrioInStreamFileDescriptor, - format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_dscanfv -TRIO_ARGS3((fd, format, args), - int fd, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - assert(VALID(format)); - - return TrioScan((trio_pointer_t)&fd, 0, - TrioInStreamFileDescriptor, - format, NULL, args); -} - -/************************************************************************* - * cscanf - */ -TRIO_PUBLIC int -trio_cscanf -TRIO_VARGS4((stream, closure, format, va_alist), - trio_instream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - data.stream.in = stream; - data.closure = closure; - status = TrioScan(&data, 0, TrioInStreamCustom, format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vcscanf -TRIO_ARGS4((stream, closure, format, args), - trio_instream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - va_list args) -{ - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - data.stream.in = stream; - data.closure = closure; - return TrioScan(&data, 0, TrioInStreamCustom, format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_cscanfv -TRIO_ARGS4((stream, closure, format, args), - trio_instream_t stream, - trio_pointer_t closure, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - trio_custom_t data; - - assert(VALID(stream)); - assert(VALID(format)); - - data.stream.in = stream; - data.closure = closure; - return TrioScan(&data, 0, TrioInStreamCustom, format, NULL, args); -} - -/************************************************************************* - * sscanf - */ -TRIO_PUBLIC int -trio_sscanf -TRIO_VARGS3((buffer, format, va_alist), - TRIO_CONST char *buffer, - TRIO_CONST char *format, - TRIO_VA_DECL) -{ - int status; - va_list args; - - assert(VALID(buffer)); - assert(VALID(format)); - - TRIO_VA_START(args, format); - status = TrioScan((trio_pointer_t)&buffer, 0, - TrioInStreamString, - format, TRIO_VA_LIST_ADDR(args), NULL); - TRIO_VA_END(args); - return status; -} - -TRIO_PUBLIC int -trio_vsscanf -TRIO_ARGS3((buffer, format, args), - TRIO_CONST char *buffer, - TRIO_CONST char *format, - va_list args) -{ - assert(VALID(buffer)); - assert(VALID(format)); - - return TrioScan((trio_pointer_t)&buffer, 0, - TrioInStreamString, - format, TRIO_VA_LIST_ADDR(args), NULL); -} - -TRIO_PUBLIC int -trio_sscanfv -TRIO_ARGS3((buffer, format, args), - TRIO_CONST char *buffer, - TRIO_CONST char *format, - trio_pointer_t *args) -{ - assert(VALID(buffer)); - assert(VALID(format)); - - return TrioScan((trio_pointer_t)&buffer, 0, - TrioInStreamString, - format, NULL, args); -} - -/** @} End of Scanf documentation module */ - -/************************************************************************* - * trio_strerror - */ -TRIO_PUBLIC TRIO_CONST char * -trio_strerror -TRIO_ARGS1((errorcode), - int errorcode) -{ - /* Textual versions of the error codes */ - switch (TRIO_ERROR_CODE(errorcode)) - { - case TRIO_EOF: - return "End of file"; - case TRIO_EINVAL: - return "Invalid argument"; - case TRIO_ETOOMANY: - return "Too many arguments"; - case TRIO_EDBLREF: - return "Double reference"; - case TRIO_EGAP: - return "Reference gap"; - case TRIO_ENOMEM: - return "Out of memory"; - case TRIO_ERANGE: - return "Invalid range"; - case TRIO_ECUSTOM: - return "Custom error"; - default: - return "Unknown"; - } -} |