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-rw-r--r--compat/strtoll.c106
-rw-r--r--compat/strtoull.c245
2 files changed, 351 insertions, 0 deletions
diff --git a/compat/strtoll.c b/compat/strtoll.c
new file mode 100644
index 0000000..2872006
--- /dev/null
+++ b/compat/strtoll.c
@@ -0,0 +1,106 @@
+/*
+ * strtoll.c --
+ *
+ * Source code for the "strtoll" library procedure.
+ *
+ * Copyright (c) 1988 The Regents of the University of California.
+ * Copyright (c) 1994 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: strtoll.c,v 1.2 2002/02/15 14:28:47 dkf Exp $
+ */
+
+#include "tcl.h"
+#include "tclPort.h"
+#include <ctype.h>
+
+#define TCL_WIDEINT_MAX (((Tcl_WideUInt)Tcl_LongAsWide(-1))>>1)
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * strtol --
+ *
+ * Convert an ASCII string into an integer.
+ *
+ * Results:
+ * The return value is the integer equivalent of string. If endPtr
+ * is non-NULL, then *endPtr is filled in with the character
+ * after the last one that was part of the integer. If string
+ * doesn't contain a valid integer value, then zero is returned
+ * and *endPtr is set to string.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tcl_WideInt
+strtoll(string, endPtr, base)
+ char *string; /* String of ASCII digits, possibly
+ * preceded by white space. For bases
+ * greater than 10, either lower- or
+ * upper-case digits may be used.
+ */
+ char **endPtr; /* Where to store address of terminating
+ * character, or NULL. */
+ int base; /* Base for conversion. Must be less
+ * than 37. If 0, then the base is chosen
+ * from the leading characters of string:
+ * "0x" means hex, "0" means octal, anything
+ * else means decimal.
+ */
+{
+ register char *p;
+ Tcl_WideInt result;
+ Tcl_WideUInt uwResult;
+
+ /*
+ * Skip any leading blanks.
+ */
+
+ p = string;
+ while (isspace(*p)) {
+ p += 1;
+ }
+
+ /*
+ * Check for a sign.
+ */
+
+ if (*p == '-') {
+ p += 1;
+ uwResult = strtoull(p, endPtr, base);
+ if (errno != ERANGE) {
+ if (uwResult > TCL_WIDEINT_MAX+1) {
+ errno = ERANGE;
+ return Tcl_LongAsWide(-1);
+ } else if (uwResult > TCL_WIDEINT_MAX) {
+ return ~((Tcl_WideInt)TCL_WIDEINT_MAX);
+ } else {
+ result = -uwResult;
+ }
+ }
+ } else {
+ if (*p == '+') {
+ p += 1;
+ }
+ uwResult = strtoull(p, endPtr, base);
+ if (errno != ERANGE) {
+ if (uwResult > TCL_WIDEINT_MAX) {
+ errno = ERANGE;
+ return Tcl_LongAsWide(-1);
+ } else {
+ result = uwResult;
+ }
+ }
+ }
+ if ((result == 0) && (endPtr != 0) && (*endPtr == p)) {
+ *endPtr = string;
+ }
+ return result;
+}
diff --git a/compat/strtoull.c b/compat/strtoull.c
new file mode 100644
index 0000000..8658eb0
--- /dev/null
+++ b/compat/strtoull.c
@@ -0,0 +1,245 @@
+/*
+ * strtoull.c --
+ *
+ * Source code for the "strtoull" library procedure.
+ *
+ * Copyright (c) 1988 The Regents of the University of California.
+ * Copyright (c) 1994 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: strtoull.c,v 1.2 2002/02/15 14:28:47 dkf Exp $
+ */
+
+#include "tcl.h"
+#include "tclPort.h"
+#include <ctype.h>
+
+/*
+ * The table below is used to convert from ASCII digits to a
+ * numerical equivalent. It maps from '0' through 'z' to integers
+ * (100 for non-digit characters).
+ */
+
+static char cvtIn[] = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, /* '0' - '9' */
+ 100, 100, 100, 100, 100, 100, 100, /* punctuation */
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, /* 'A' - 'Z' */
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35,
+ 100, 100, 100, 100, 100, 100, /* punctuation */
+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, /* 'a' - 'z' */
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35};
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * strtoull --
+ *
+ * Convert an ASCII string into an integer.
+ *
+ * Results:
+ * The return value is the integer equivalent of string. If endPtr
+ * is non-NULL, then *endPtr is filled in with the character
+ * after the last one that was part of the integer. If string
+ * doesn't contain a valid integer value, then zero is returned
+ * and *endPtr is set to string.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Tcl_WideUInt
+strtoull(string, endPtr, base)
+ char *string; /* String of ASCII digits, possibly
+ * preceded by white space. For bases
+ * greater than 10, either lower- or
+ * upper-case digits may be used.
+ */
+ char **endPtr; /* Where to store address of terminating
+ * character, or NULL. */
+ int base; /* Base for conversion. Must be less
+ * than 37. If 0, then the base is chosen
+ * from the leading characters of string:
+ * "0x" means hex, "0" means octal, anything
+ * else means decimal.
+ */
+{
+ register char *p;
+ register Tcl_WideUInt result = 0;
+ register unsigned digit;
+ register Tcl_WideUInt shifted;
+ int anyDigits = 0, negative = 0;
+
+ /*
+ * Skip any leading blanks.
+ */
+
+ p = string;
+ while (isspace(*p)) { /* INTL: locale-dependent */
+ p += 1;
+ }
+
+ /*
+ * Check for a sign.
+ */
+
+ if (*p == '-') {
+ p += 1;
+ negative = 1;
+ } else {
+ if (*p == '+') {
+ p += 1;
+ }
+ }
+
+ /*
+ * If no base was provided, pick one from the leading characters
+ * of the string.
+ */
+
+ if (base == 0) {
+ if (*p == '0') {
+ p += 1;
+ if (*p == 'x' || *p == 'X') {
+ p += 1;
+ base = 16;
+ } else {
+
+ /*
+ * Must set anyDigits here, otherwise "0" produces a
+ * "no digits" error.
+ */
+
+ anyDigits = 1;
+ base = 8;
+ }
+ } else {
+ base = 10;
+ }
+ } else if (base == 16) {
+
+ /*
+ * Skip a leading "0x" from hex numbers.
+ */
+
+ if ((p[0] == '0') && (p[1] == 'x' || *p == 'X')) {
+ p += 2;
+ }
+ }
+
+ /*
+ * Sorry this code is so messy, but speed seems important. Do
+ * different things for base 8, 10, 16, and other.
+ */
+
+ if (base == 8) {
+ for ( ; ; p += 1) {
+ digit = *p - '0';
+ if (digit > 7) {
+ break;
+ }
+ shifted = result << 3;
+ if ((shifted >> 3) != result) {
+ goto overflow;
+ }
+ result = shifted + digit;
+ anyDigits = 1;
+ }
+ } else if (base == 10) {
+ for ( ; ; p += 1) {
+ digit = *p - '0';
+ if (digit > 9) {
+ break;
+ }
+ shifted = 10 * result;
+ if ((shifted / 10) != result) {
+ goto overflow;
+ }
+ result = shifted + digit;
+ anyDigits = 1;
+ }
+ } else if (base == 16) {
+ for ( ; ; p += 1) {
+ digit = *p - '0';
+ if (digit > ('z' - '0')) {
+ break;
+ }
+ digit = cvtIn[digit];
+ if (digit > 15) {
+ break;
+ }
+ shifted = result << 4;
+ if ((shifted >> 4) != result) {
+ goto overflow;
+ }
+ result = shifted + digit;
+ anyDigits = 1;
+ }
+ } else {
+ for ( ; ; p += 1) {
+ digit = *p - '0';
+ if (digit > ('z' - '0')) {
+ break;
+ }
+ digit = cvtIn[digit];
+ if (digit >= base) {
+ break;
+ }
+ shifted = result * base;
+ if ((shifted/base) != result) {
+ goto overflow;
+ }
+ result = shifted + digit;
+ anyDigits = 1;
+ }
+ }
+
+ /*
+ * Negate if we found a '-' earlier.
+ */
+
+ if (negative) {
+ result = (Tcl_WideUInt)(-((Tcl_WideInt)result));
+ }
+
+ /*
+ * See if there were any digits at all.
+ */
+
+ if (!anyDigits) {
+ p = string;
+ }
+
+ if (endPtr != 0) {
+ *endPtr = p;
+ }
+
+ return result;
+
+ /*
+ * On overflow generate the right output
+ */
+
+ overflow:
+ errno = ERANGE;
+ if (endPtr != 0) {
+ for ( ; ; p += 1) {
+ digit = *p - '0';
+ if (digit > ('z' - '0')) {
+ break;
+ }
+ digit = cvtIn[digit];
+ if (digit >= base) {
+ break;
+ }
+ }
+ *endPtr = p;
+ }
+ return (Tcl_WideUInt)Tcl_LongAsWide(-1);
+}
generated by cgit v0.12 at 2024-11-05 13:06:23 (GMT)