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authordkf <donal.k.fellows@manchester.ac.uk>2005-09-27 15:20:35 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2005-09-27 15:20:35 (GMT)
commitc74f4731fc28ed1f711180d4937bc2ea040fa85b (patch)
treeb110a82af90466c16c8e83d10aa0e1f30a900889
parentd04662c022396f466404aae4b7c2ae881d1c18eb (diff)
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Formatting fixes
-rw-r--r--generic/tclBinary.c253
1 files changed, 126 insertions, 127 deletions
diff --git a/generic/tclBinary.c b/generic/tclBinary.c
index c6231f0..a5c2842 100644
--- a/generic/tclBinary.c
+++ b/generic/tclBinary.c
@@ -7,10 +7,10 @@
* Copyright (c) 1997 by Sun Microsystems, Inc.
* Copyright (c) 1998-1999 by Scriptics Corporation.
*
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclBinary.c,v 1.25 2005/07/17 21:17:30 dkf Exp $
+ * RCS: @(#) $Id: tclBinary.c,v 1.26 2005/09/27 15:20:35 dkf Exp $
*/
#include "tclInt.h"
@@ -32,10 +32,10 @@
* Theoretically, it would be possible to keep the cache about for the values
* that are already in it, but that makes the code slower in practise when
* overflow happens, and makes little odds the rest of the time (as measured
- * on my machine.) It is also slower (on the sample I tried at least) to grow
+ * on my machine.) It is also slower (on the sample I tried at least) to grow
* the cache to hold all items we might want to put in it; presumably the
* extra cost of managing the memory for the enlarged table outweighs the
- * benefit from allocating fewer objects. This is probably because as the
+ * benefit from allocating fewer objects. This is probably because as the
* number of objects increases, the likelihood of reuse of any particular one
* drops, and there is very little gain from larger maximum cache sizes (the
* value below is chosen to allow caching to work in full with conversion of
@@ -48,39 +48,38 @@
* Prototypes for local procedures defined in this file:
*/
-static void DupByteArrayInternalRep _ANSI_ARGS_((Tcl_Obj *srcPtr,
- Tcl_Obj *copyPtr));
-static int FormatNumber _ANSI_ARGS_((Tcl_Interp *interp, int type,
- Tcl_Obj *src, unsigned char **cursorPtr));
-static void FreeByteArrayInternalRep _ANSI_ARGS_((Tcl_Obj *objPtr));
-static int GetFormatSpec _ANSI_ARGS_((char **formatPtr,
- char *cmdPtr, int *countPtr));
-static Tcl_Obj * ScanNumber _ANSI_ARGS_((unsigned char *buffer,
- int type, Tcl_HashTable **numberCachePtr));
-static int SetByteArrayFromAny _ANSI_ARGS_((Tcl_Interp *interp,
- Tcl_Obj *objPtr));
-static void UpdateStringOfByteArray _ANSI_ARGS_((Tcl_Obj *listPtr));
-static void DeleteScanNumberCache _ANSI_ARGS_((
- Tcl_HashTable *numberCachePtr));
-static int NeedReversing _ANSI_ARGS_((int format));
-static void CopyNumber _ANSI_ARGS_((CONST void *from, void *to,
- unsigned int length, int type));
+static void DupByteArrayInternalRep(Tcl_Obj *srcPtr,
+ Tcl_Obj *copyPtr);
+static int FormatNumber(Tcl_Interp *interp, int type,
+ Tcl_Obj *src, unsigned char **cursorPtr);
+static void FreeByteArrayInternalRep(Tcl_Obj *objPtr);
+static int GetFormatSpec(char **formatPtr, char *cmdPtr,
+ int *countPtr);
+static Tcl_Obj * ScanNumber(unsigned char *buffer, int type,
+ Tcl_HashTable **numberCachePtr);
+static int SetByteArrayFromAny(Tcl_Interp *interp,
+ Tcl_Obj *objPtr);
+static void UpdateStringOfByteArray(Tcl_Obj *listPtr);
+static void DeleteScanNumberCache(Tcl_HashTable *numberCachePtr);
+static int NeedReversing(int format);
+static void CopyNumber(CONST void *from, void *to,
+ unsigned int length, int type);
/*
- * The following object type represents an array of bytes. An array of bytes
- * is not equivalent to an internationalized string. Conceptually, a string
- * is an array of 16-bit quantities organized as a sequence of properly formed
+ * The following object type represents an array of bytes. An array of bytes
+ * is not equivalent to an internationalized string. Conceptually, a string is
+ * an array of 16-bit quantities organized as a sequence of properly formed
* UTF-8 characters, while a ByteArray is an array of 8-bit quantities.
* Accessor functions are provided to convert a ByteArray to a String or a
- * String to a ByteArray. Two or more consecutive bytes in an array of bytes
+ * String to a ByteArray. Two or more consecutive bytes in an array of bytes
* may look like a single UTF-8 character if the array is casually treated as
- * a string. But obtaining the String from a ByteArray is guaranteed to
+ * a string. But obtaining the String from a ByteArray is guaranteed to
* produced properly formed UTF-8 sequences so that there is a one-to-one map
* between bytes and characters.
*
* Converting a ByteArray to a String proceeds by casting each byte in the
* array to a 16-bit quantity, treating that number as a Unicode character,
- * and storing the UTF-8 version of that Unicode character in the String. For
+ * and storing the UTF-8 version of that Unicode character in the String. For
* ByteArrays consisting entirely of values 1..127, the corresponding String
* representation is the same as the ByteArray representation.
*
@@ -100,7 +99,7 @@ Tcl_ObjType tclByteArrayType = {
};
/*
- * The following structure is the internal rep for a ByteArray object. Keeps
+ * The following structure is the internal rep for a ByteArray object. Keeps
* track of how much memory has been used and how much has been allocated for
* the byte array to enable growing and shrinking of the ByteArray object with
* fewer mallocs.
@@ -111,8 +110,8 @@ typedef struct ByteArray {
* array. */
int allocated; /* The amount of space actually allocated
* minus 1 byte. */
- unsigned char bytes[4]; /* The array of bytes. The actual size of
- * this field depends on the 'allocated' field
+ unsigned char bytes[4]; /* The array of bytes. The actual size of this
+ * field depends on the 'allocated' field
* above. */
} ByteArray;
@@ -133,8 +132,8 @@ typedef struct ByteArray {
* from the given array of bytes.
*
* Results:
- * The newly create object is returned. This object will have no initial
- * string representation. The returned object has a ref count of 0.
+ * The newly create object is returned. This object will have no initial
+ * string representation. The returned object has a ref count of 0.
*
* Side effects:
* Memory allocated for new object and copy of byte array argument.
@@ -146,10 +145,10 @@ typedef struct ByteArray {
#undef Tcl_NewByteArrayObj
Tcl_Obj *
-Tcl_NewByteArrayObj(bytes, length)
- CONST unsigned char *bytes; /* The array of bytes used to initialize the
+Tcl_NewByteArrayObj(
+ CONST unsigned char *bytes, /* The array of bytes used to initialize the
* new object. */
- int length; /* Length of the array of bytes, which must be
+ int length) /* Length of the array of bytes, which must be
* >= 0. */
{
return Tcl_DbNewByteArrayObj(bytes, length, "unknown", 0);
@@ -158,10 +157,10 @@ Tcl_NewByteArrayObj(bytes, length)
#else /* if not TCL_MEM_DEBUG */
Tcl_Obj *
-Tcl_NewByteArrayObj(bytes, length)
- CONST unsigned char *bytes; /* The array of bytes used to initialize the
+Tcl_NewByteArrayObj(
+ CONST unsigned char *bytes, /* The array of bytes used to initialize the
* new object. */
- int length; /* Length of the array of bytes, which must be
+ int length) /* Length of the array of bytes, which must be
* >= 0. */
{
Tcl_Obj *objPtr;
@@ -188,8 +187,8 @@ Tcl_NewByteArrayObj(bytes, length)
* result of calling Tcl_NewByteArrayObj.
*
* Results:
- * The newly create object is returned. This object will have no initial
- * string representation. The returned object has a ref count of 0.
+ * The newly create object is returned. This object will have no initial
+ * string representation. The returned object has a ref count of 0.
*
* Side effects:
* Memory allocated for new object and copy of byte array argument.
@@ -200,14 +199,14 @@ Tcl_NewByteArrayObj(bytes, length)
#ifdef TCL_MEM_DEBUG
Tcl_Obj *
-Tcl_DbNewByteArrayObj(bytes, length, file, line)
- CONST unsigned char *bytes; /* The array of bytes used to initialize the
+Tcl_DbNewByteArrayObj(
+ CONST unsigned char *bytes, /* The array of bytes used to initialize the
* new object. */
- int length; /* Length of the array of bytes, which must be
+ int length, /* Length of the array of bytes, which must be
* >= 0. */
- CONST char *file; /* The name of the source file calling this
+ CONST char *file, /* The name of the source file calling this
* procedure; used for debugging. */
- int line; /* Line number in the source file; used for
+ int line) /* Line number in the source file; used for
* debugging. */
{
Tcl_Obj *objPtr;
@@ -220,14 +219,14 @@ Tcl_DbNewByteArrayObj(bytes, length, file, line)
#else /* if not TCL_MEM_DEBUG */
Tcl_Obj *
-Tcl_DbNewByteArrayObj(bytes, length, file, line)
- CONST unsigned char *bytes; /* The array of bytes used to initialize the
+Tcl_DbNewByteArrayObj(
+ CONST unsigned char *bytes, /* The array of bytes used to initialize the
* new object. */
- int length; /* Length of the array of bytes, which must be
+ int length, /* Length of the array of bytes, which must be
* >= 0. */
- CONST char *file; /* The name of the source file calling this
+ CONST char *file, /* The name of the source file calling this
* procedure; used for debugging. */
- int line; /* Line number in the source file; used for
+ int line) /* Line number in the source file; used for
* debugging. */
{
return Tcl_NewByteArrayObj(bytes, length);
@@ -246,18 +245,18 @@ Tcl_DbNewByteArrayObj(bytes, length, file, line)
* None.
*
* Side effects:
- * The object's old string rep and internal rep is freed. Memory
+ * The object's old string rep and internal rep is freed. Memory
* allocated for copy of byte array argument.
*
*----------------------------------------------------------------------
*/
void
-Tcl_SetByteArrayObj(objPtr, bytes, length)
- Tcl_Obj *objPtr; /* Object to initialize as a ByteArray. */
- CONST unsigned char *bytes; /* The array of bytes to use as the new
+Tcl_SetByteArrayObj(
+ Tcl_Obj *objPtr, /* Object to initialize as a ByteArray. */
+ CONST unsigned char *bytes, /* The array of bytes to use as the new
* value. */
- int length; /* Length of the array of bytes, which must be
+ int length) /* Length of the array of bytes, which must be
* >= 0. */
{
ByteArray *byteArrayPtr;
@@ -282,7 +281,7 @@ Tcl_SetByteArrayObj(objPtr, bytes, length)
*
* Tcl_GetByteArrayFromObj --
*
- * Attempt to get the array of bytes from the Tcl object. If the object
+ * Attempt to get the array of bytes from the Tcl object. If the object
* is not already a ByteArray object, an attempt will be made to convert
* it to one.
*
@@ -290,15 +289,15 @@ Tcl_SetByteArrayObj(objPtr, bytes, length)
* Pointer to array of bytes representing the ByteArray object.
*
* Side effects:
- * Frees old internal rep. Allocates memory for new internal rep.
+ * Frees old internal rep. Allocates memory for new internal rep.
*
*----------------------------------------------------------------------
*/
unsigned char *
-Tcl_GetByteArrayFromObj(objPtr, lengthPtr)
- Tcl_Obj *objPtr; /* The ByteArray object. */
- int *lengthPtr; /* If non-NULL, filled with length of the
+Tcl_GetByteArrayFromObj(
+ Tcl_Obj *objPtr, /* The ByteArray object. */
+ int *lengthPtr) /* If non-NULL, filled with length of the
* array of bytes in the ByteArray object. */
{
ByteArray *baPtr;
@@ -335,9 +334,9 @@ Tcl_GetByteArrayFromObj(objPtr, lengthPtr)
*/
unsigned char *
-Tcl_SetByteArrayLength(objPtr, length)
- Tcl_Obj *objPtr; /* The ByteArray object. */
- int length; /* New length for internal byte array. */
+Tcl_SetByteArrayLength(
+ Tcl_Obj *objPtr, /* The ByteArray object. */
+ int length) /* New length for internal byte array. */
{
ByteArray *byteArrayPtr, *newByteArrayPtr;
@@ -381,9 +380,9 @@ Tcl_SetByteArrayLength(objPtr, length)
*/
static int
-SetByteArrayFromAny(interp, objPtr)
- Tcl_Interp *interp; /* Not used. */
- Tcl_Obj *objPtr; /* The object to convert to type ByteArray. */
+SetByteArrayFromAny(
+ Tcl_Interp *interp, /* Not used. */
+ Tcl_Obj *objPtr) /* The object to convert to type ByteArray. */
{
int length;
char *src, *srcEnd;
@@ -429,8 +428,8 @@ SetByteArrayFromAny(interp, objPtr)
*/
static void
-FreeByteArrayInternalRep(objPtr)
- Tcl_Obj *objPtr; /* Object with internal rep to free. */
+FreeByteArrayInternalRep(
+ Tcl_Obj *objPtr) /* Object with internal rep to free. */
{
ckfree((char *) GET_BYTEARRAY(objPtr));
}
@@ -453,9 +452,9 @@ FreeByteArrayInternalRep(objPtr)
*/
static void
-DupByteArrayInternalRep(srcPtr, copyPtr)
- Tcl_Obj *srcPtr; /* Object with internal rep to copy. */
- Tcl_Obj *copyPtr; /* Object with internal rep to set. */
+DupByteArrayInternalRep(
+ Tcl_Obj *srcPtr, /* Object with internal rep to copy. */
+ Tcl_Obj *copyPtr) /* Object with internal rep to set. */
{
int length;
ByteArray *srcArrayPtr, *copyArrayPtr;
@@ -496,8 +495,8 @@ DupByteArrayInternalRep(srcPtr, copyPtr)
*/
static void
-UpdateStringOfByteArray(objPtr)
- Tcl_Obj *objPtr; /* ByteArray object whose string rep to
+UpdateStringOfByteArray(
+ Tcl_Obj *objPtr) /* ByteArray object whose string rep to
* update. */
{
int i, length, size;
@@ -552,11 +551,11 @@ UpdateStringOfByteArray(objPtr)
*/
int
-Tcl_BinaryObjCmd(dummy, interp, objc, objv)
- ClientData dummy; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument objects. */
+Tcl_BinaryObjCmd(
+ ClientData dummy, /* Not used. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *CONST objv[]) /* Argument objects. */
{
int arg; /* Index of next argument to consume. */
int value = 0; /* Current integer value to be packed.
@@ -598,8 +597,8 @@ Tcl_BinaryObjCmd(dummy, interp, objc, objv)
}
/*
- * To avoid copying the data, we format the string in two passes. The
- * first pass computes the size of the output buffer. The second pass
+ * To avoid copying the data, we format the string in two passes. The
+ * first pass computes the size of the output buffer. The second pass
* places the formatted data into the buffer.
*/
@@ -761,7 +760,7 @@ Tcl_BinaryObjCmd(dummy, interp, objc, objv)
memset((VOID *) buffer, 0, (size_t) length);
/*
- * Pack the data into the result object. Note that we can skip the
+ * Pack the data into the result object. Note that we can skip the
* error checking during this pass, since we have already parsed the
* string once.
*/
@@ -1152,7 +1151,7 @@ Tcl_BinaryObjCmd(dummy, interp, objc, objv)
char *dest;
unsigned char *src;
int i;
- static char hexdigit[] = "0123456789abcdef";
+ static CONST char hexdigit[] = "0123456789abcdef";
if (arg >= objc) {
DeleteScanNumberCache(numberCachePtr);
@@ -1363,9 +1362,9 @@ Tcl_BinaryObjCmd(dummy, interp, objc, objv)
*
* Results:
* Moves the formatPtr to the start of the next command. Returns the
- * current command character and count in cmdPtr and countPtr. The count
+ * current command character and count in cmdPtr and countPtr. The count
* is set to BINARY_ALL if the count character was '*' or BINARY_NOCOUNT
- * if no count was specified. Returns 1 on success, or 0 if the string
+ * if no count was specified. Returns 1 on success, or 0 if the string
* did not have a format specifier.
*
* Side effects:
@@ -1375,10 +1374,10 @@ Tcl_BinaryObjCmd(dummy, interp, objc, objv)
*/
static int
-GetFormatSpec(formatPtr, cmdPtr, countPtr)
- char **formatPtr; /* Pointer to format string. */
- char *cmdPtr; /* Pointer to location of command char. */
- int *countPtr; /* Pointer to repeat count value. */
+GetFormatSpec(
+ char **formatPtr, /* Pointer to format string. */
+ char *cmdPtr, /* Pointer to location of command char. */
+ int *countPtr) /* Pointer to repeat count value. */
{
/*
* Skip any leading blanks.
@@ -1421,7 +1420,7 @@ GetFormatSpec(formatPtr, cmdPtr, countPtr)
* This routine determines, if bytes of a number need to be reversed.
* This depends on the endiannes of the machine and the desired format.
* It is in effect a table (whose contents depend on the endianness of
- * the system) describing whether a value needs reversing or not. Anyone
+ * the system) describing whether a value needs reversing or not. Anyone
* porting the code to a big-endian platform should take care to make
* sure that they define WORDS_BIGENDIAN though this is already done by
* configure for the Unix build; little-endian platforms (including
@@ -1437,8 +1436,8 @@ GetFormatSpec(formatPtr, cmdPtr, countPtr)
*/
static int
-NeedReversing(format)
- int format;
+NeedReversing(
+ int format)
{
switch (format) {
/* native floats and doubles: never reverse */
@@ -1493,7 +1492,7 @@ NeedReversing(format)
* CopyNumber --
*
* This routine is called by FormatNumber and ScanNumber to copy a
- * floating-point number. If required, bytes are reversed while copying.
+ * floating-point number. If required, bytes are reversed while copying.
* The behaviour is only fully defined when used with IEEE float and
* double values (guaranteed to be 4 and 8 bytes long, respectively.)
*
@@ -1507,11 +1506,11 @@ NeedReversing(format)
*/
static void
-CopyNumber(from, to, length, type)
- CONST void *from; /* source */
- void *to; /* destination */
- unsigned int length; /* Number of bytes to copy */
- int type; /* What type of thing are we copying? */
+CopyNumber(
+ CONST void *from, /* source */
+ void *to, /* destination */
+ unsigned int length, /* Number of bytes to copy */
+ int type) /* What type of thing are we copying? */
{
if (NeedReversing(type)) {
CONST unsigned char *fromPtr = (CONST unsigned char *) from;
@@ -1558,12 +1557,12 @@ CopyNumber(from, to, length, type)
*/
static int
-FormatNumber(interp, type, src, cursorPtr)
- Tcl_Interp *interp; /* Current interpreter, used to report
+FormatNumber(
+ Tcl_Interp *interp, /* Current interpreter, used to report
* errors. */
- int type; /* Type of number to format. */
- Tcl_Obj *src; /* Number to format. */
- unsigned char **cursorPtr; /* Pointer to index into destination buffer. */
+ int type, /* Type of number to format. */
+ Tcl_Obj *src, /* Number to format. */
+ unsigned char **cursorPtr) /* Pointer to index into destination buffer. */
{
long value;
double dvalue;
@@ -1575,7 +1574,7 @@ FormatNumber(interp, type, src, cursorPtr)
case 'q':
case 'Q':
/*
- * Double-precision floating point values. Tcl_GetDoubleFromObj
+ * Double-precision floating point values. Tcl_GetDoubleFromObj
* returns TCL_ERROR for NaN, but we can check by comparing the
* object's type pointer.
*/
@@ -1594,7 +1593,7 @@ FormatNumber(interp, type, src, cursorPtr)
case 'r':
case 'R':
/*
- * Single-precision floating point values. Tcl_GetDoubleFromObj
+ * Single-precision floating point values. Tcl_GetDoubleFromObj
* returns TCL_ERROR for NaN, but we can check by comparing the
* object's type pointer.
*/
@@ -1712,26 +1711,26 @@ FormatNumber(interp, type, src, cursorPtr)
*
* ScanNumber --
*
- * This routine is called by Tcl_BinaryObjCmd to scan a number
- * out of a buffer.
+ * This routine is called by Tcl_BinaryObjCmd to scan a number out of a
+ * buffer.
*
* Results:
- * Returns a newly created object containing the scanned number.
- * This object has a ref count of zero.
+ * Returns a newly created object containing the scanned number. This
+ * object has a ref count of zero.
*
* Side effects:
- * Might reuse an object in the number cache, place a new object
- * in the cache, or delete the cache and set the reference to
- * it (itself passed in by reference) to NULL.
+ * Might reuse an object in the number cache, place a new object in the
+ * cache, or delete the cache and set the reference to it (itself passed
+ * in by reference) to NULL.
*
*----------------------------------------------------------------------
*/
static Tcl_Obj *
-ScanNumber(buffer, type, numberCachePtrPtr)
- unsigned char *buffer; /* Buffer to scan number from. */
- int type; /* Format character from "binary scan" */
- Tcl_HashTable **numberCachePtrPtr;
+ScanNumber(
+ unsigned char *buffer, /* Buffer to scan number from. */
+ int type, /* Format character from "binary scan" */
+ Tcl_HashTable **numberCachePtrPtr)
/* Place to look for cache of scanned
* value objects, or NULL if too many
* different numbers have been scanned. */
@@ -1744,7 +1743,7 @@ ScanNumber(buffer, type, numberCachePtrPtr)
/*
* We cannot rely on the compiler to properly sign extend integer values
* when we cast from smaller values to larger values because we don't know
- * the exact size of the integer types. So, we have to handle sign
+ * the exact size of the integer types. So, we have to handle sign
* extension explicitly by checking the high bit and padding with 1's as
* needed.
*/
@@ -1752,7 +1751,7 @@ ScanNumber(buffer, type, numberCachePtrPtr)
switch (type) {
case 'c':
/*
- * Characters need special handling. We want to produce a signed
+ * Characters need special handling. We want to produce a signed
* result, but on some platforms (such as AIX) chars are unsigned. To
* deal with this, check for a value that should be negative but
* isn't.
@@ -1765,8 +1764,8 @@ ScanNumber(buffer, type, numberCachePtrPtr)
goto returnNumericObject;
/*
- * 16-bit numeric values. We need the sign extension trick (see
- * above) here as well.
+ * 16-bit numeric values. We need the sign extension trick (see above)
+ * here as well.
*/
case 's':
@@ -1825,10 +1824,9 @@ ScanNumber(buffer, type, numberCachePtrPtr)
return (Tcl_Obj *) Tcl_GetHashValue(hPtr);
}
if (tablePtr->numEntries > BINARY_SCAN_MAX_CACHE) {
-
/*
- * We've overflowed the cache! Someone's parsing a LOT of
- * varied binary data in a single call! Bail out by switching
+ * We've overflowed the cache! Someone's parsing a LOT of
+ * varied binary data in a single call! Bail out by switching
* back to the old behaviour for the rest of the scan.
*
* Note that anyone just using the 'c' conversion (for bytes)
@@ -1922,10 +1920,11 @@ ScanNumber(buffer, type, numberCachePtrPtr)
*/
static void
-DeleteScanNumberCache(numberCachePtr)
- Tcl_HashTable *numberCachePtr; /* Pointer to the hash table, or NULL
- * (when the cache has already been
- * deleted due to overflow.) */
+DeleteScanNumberCache(
+ Tcl_HashTable *numberCachePtr)
+ /* Pointer to the hash table, or NULL (when
+ * the cache has already been deleted due to
+ * overflow.) */
{
Tcl_HashEntry *hEntry;
Tcl_HashSearch search;