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authordkf <donal.k.fellows@manchester.ac.uk>2005-11-01 15:30:52 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2005-11-01 15:30:52 (GMT)
commit2998dff7d6013d8de26a9f995195109ccdfb7fe8 (patch)
tree5ba6f151c506b01e44fe93c528465126f2ab35d5 /generic/tclCkalloc.c
parent2df2847723320a5dade13d3ae8133d879725a887 (diff)
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ANSIfy. Also converted some deeply nested code to a less nested form for easier reading.
Diffstat (limited to 'generic/tclCkalloc.c')
-rw-r--r--generic/tclCkalloc.c292
1 files changed, 145 insertions, 147 deletions
diff --git a/generic/tclCkalloc.c b/generic/tclCkalloc.c
index e3eea4e..d04b45a 100644
--- a/generic/tclCkalloc.c
+++ b/generic/tclCkalloc.c
@@ -14,7 +14,7 @@
*
* This code contributed by Karl Lehenbauer and Mark Diekhans
*
- * RCS: @(#) $Id: tclCkalloc.c,v 1.25 2005/09/15 16:40:02 dgp Exp $
+ * RCS: @(#) $Id: tclCkalloc.c,v 1.26 2005/11/01 15:30:52 dkf Exp $
*/
#include "tclInt.h"
@@ -33,7 +33,7 @@ typedef struct MemTag {
int refCount; /* Number of mem_headers referencing this
* tag. */
char string[4]; /* Actual size of string will be as large as
- * needed for actual tag. This must be the
+ * needed for actual tag. This must be the
* last field in the structure. */
} MemTag;
@@ -78,7 +78,7 @@ static struct mem_header *allocHead = NULL; /* List of allocated structures */
/*
* The following macro computes the offset of the "body" field within
- * mem_header. It is used to get back to the header pointer from the body
+ * mem_header. It is used to get back to the header pointer from the body
* pointer that's used by clients.
*/
@@ -93,17 +93,17 @@ static int current_malloc_packets = 0;
static int maximum_malloc_packets = 0;
static int break_on_malloc = 0;
static int trace_on_at_malloc = 0;
-static int alloc_tracing = FALSE;
-static int init_malloced_bodies = TRUE;
+static int alloc_tracing = FALSE;
+static int init_malloced_bodies = TRUE;
#ifdef MEM_VALIDATE
- static int validate_memory = TRUE;
+static int validate_memory = TRUE;
#else
- static int validate_memory = FALSE;
+static int validate_memory = FALSE;
#endif
/*
* The following variable indicates to TclFinalizeMemorySubsystem() that it
- * should dump out the state of memory before exiting. If the value is
+ * should dump out the state of memory before exiting. If the value is
* non-NULL, it gives the name of the file in which to dump memory usage
* information.
*/
@@ -115,8 +115,8 @@ static char dumpFile[100]; /* Records where to dump memory allocation
* information. */
/*
- * Mutex to serialize allocations. This is a low-level mutex that must be
- * explicitly initialized. This is necessary because the self initializing
+ * Mutex to serialize allocations. This is a low-level mutex that must be
+ * explicitly initialized. This is necessary because the self initializing
* mutexes use ckalloc...
*/
@@ -127,20 +127,19 @@ static int ckallocInit = 0;
* Prototypes for procedures defined in this file:
*/
-static int CheckmemCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int argc, CONST char *argv[]));
-static int MemoryCmd _ANSI_ARGS_((ClientData clientData,
- Tcl_Interp *interp, int argc, CONST char **argv));
-static void ValidateMemory _ANSI_ARGS_((
- struct mem_header *memHeaderP, CONST char *file,
- int line, int nukeGuards));
+static int CheckmemCmd(ClientData clientData, Tcl_Interp *interp,
+ int argc, CONST char *argv[]);
+static int MemoryCmd(ClientData clientData, Tcl_Interp *interp,
+ int argc, CONST char *argv[]);
+static void ValidateMemory(struct mem_header *memHeaderP,
+ CONST char *file, int line, int nukeGuards);
/*
*----------------------------------------------------------------------
*
* TclInitDbCkalloc --
*
- * Initialize the locks used by the allocator. This is only appropriate
+ * Initialize the locks used by the allocator. This is only appropriate
* to call in a single threaded environment, such as during
* TclInitSubsystems.
*
@@ -148,7 +147,7 @@ static void ValidateMemory _ANSI_ARGS_((
*/
void
-TclInitDbCkalloc()
+TclInitDbCkalloc(void)
{
if (!ckallocInit) {
ckallocInit = 1;
@@ -167,8 +166,8 @@ TclInitDbCkalloc()
*/
void
-TclDumpMemoryInfo(outFile)
- FILE *outFile;
+TclDumpMemoryInfo(
+ FILE *outFile)
{
fprintf(outFile,"total mallocs %10d\n",
total_mallocs);
@@ -202,15 +201,16 @@ TclDumpMemoryInfo(outFile)
*/
static void
-ValidateMemory(memHeaderP, file, line, nukeGuards)
- struct mem_header *memHeaderP; /* Memory chunk to validate */
- CONST char *file; /* File containing the call to
- * Tcl_ValidateAllMemory */
- int line; /* Line number of call to
- * Tcl_ValidateAllMemory */
- int nukeGuards; /* If non-zero, indicates that the
- * memory guards are to be reset to 0
- * after they have been printed */
+ValidateMemory(
+ struct mem_header *memHeaderP,
+ /* Memory chunk to validate */
+ CONST char *file, /* File containing the call to
+ * Tcl_ValidateAllMemory */
+ int line, /* Line number of call to
+ * Tcl_ValidateAllMemory */
+ int nukeGuards) /* If non-zero, indicates that the memory
+ * guards are to be reset to 0 after they have
+ * been printed */
{
unsigned char *hiPtr;
int idx;
@@ -231,7 +231,7 @@ ValidateMemory(memHeaderP, file, line, nukeGuards)
TclDumpMemoryInfo (stderr);
fprintf(stderr, "low guard failed at %lx, %s %d\n",
(long unsigned int) memHeaderP->body, file, line);
- fflush(stderr); /* In case name pointer is bad. */
+ fflush(stderr); /* In case name pointer is bad. */
fprintf(stderr, "%ld bytes allocated at (%s %d)\n", memHeaderP->length,
memHeaderP->file, memHeaderP->line);
Tcl_Panic("Memory validation failure");
@@ -253,7 +253,7 @@ ValidateMemory(memHeaderP, file, line, nukeGuards)
TclDumpMemoryInfo(stderr);
fprintf(stderr, "high guard failed at %lx, %s %d\n",
(long unsigned int) memHeaderP->body, file, line);
- fflush(stderr); /* In case name pointer is bad. */
+ fflush(stderr); /* In case name pointer is bad. */
fprintf(stderr, "%ld bytes allocated at (%s %d)\n",
memHeaderP->length, memHeaderP->file,
memHeaderP->line);
@@ -284,10 +284,10 @@ ValidateMemory(memHeaderP, file, line, nukeGuards)
*/
void
-Tcl_ValidateAllMemory(file, line)
- CONST char *file; /* File from which Tcl_ValidateAllMemory was
+Tcl_ValidateAllMemory(
+ CONST char *file, /* File from which Tcl_ValidateAllMemory was
* called. */
- int line; /* Line number of call to
+ int line) /* Line number of call to
* Tcl_ValidateAllMemory */
{
struct mem_header *memScanP;
@@ -318,8 +318,8 @@ Tcl_ValidateAllMemory(file, line)
*/
int
-Tcl_DumpActiveMemory (fileName)
- CONST char *fileName; /* Name of the file to write info to */
+Tcl_DumpActiveMemory(
+ CONST char *fileName) /* Name of the file to write info to */
{
FILE *fileP;
struct mem_header *memScanP;
@@ -371,10 +371,10 @@ Tcl_DumpActiveMemory (fileName)
*/
char *
-Tcl_DbCkalloc(size, file, line)
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_DbCkalloc(
+ unsigned int size,
+ CONST char *file,
+ int line)
{
struct mem_header *result;
@@ -460,12 +460,12 @@ Tcl_DbCkalloc(size, file, line)
return result->body;
}
-
+
char *
-Tcl_AttemptDbCkalloc(size, file, line)
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_AttemptDbCkalloc(
+ unsigned int size,
+ CONST char *file,
+ int line)
{
struct mem_header *result;
@@ -570,10 +570,10 @@ Tcl_AttemptDbCkalloc(size, file, line)
*/
int
-Tcl_DbCkfree(ptr, file, line)
- char *ptr;
- CONST char *file;
- int line;
+Tcl_DbCkfree(
+ char *ptr,
+ CONST char *file,
+ int line)
{
struct mem_header *memp;
@@ -650,11 +650,11 @@ Tcl_DbCkfree(ptr, file, line)
*/
char *
-Tcl_DbCkrealloc(ptr, size, file, line)
- char *ptr;
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_DbCkrealloc(
+ char *ptr,
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *new;
unsigned int copySize;
@@ -679,13 +679,13 @@ Tcl_DbCkrealloc(ptr, size, file, line)
Tcl_DbCkfree(ptr, file, line);
return new;
}
-
+
char *
-Tcl_AttemptDbCkrealloc(ptr, size, file, line)
- char *ptr;
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_AttemptDbCkrealloc(
+ char *ptr,
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *new;
unsigned int copySize;
@@ -739,37 +739,37 @@ Tcl_AttemptDbCkrealloc(ptr, size, file, line)
#undef Tcl_AttemptRealloc
char *
-Tcl_Alloc(size)
- unsigned int size;
+Tcl_Alloc(
+ unsigned int size)
{
return Tcl_DbCkalloc(size, "unknown", 0);
}
char *
-Tcl_AttemptAlloc(size)
- unsigned int size;
+Tcl_AttemptAlloc(
+ unsigned int size)
{
return Tcl_AttemptDbCkalloc(size, "unknown", 0);
}
void
-Tcl_Free(ptr)
- char *ptr;
+Tcl_Free(
+ char *ptr)
{
Tcl_DbCkfree(ptr, "unknown", 0);
}
char *
-Tcl_Realloc(ptr, size)
- char *ptr;
- unsigned int size;
+Tcl_Realloc(
+ char *ptr,
+ unsigned int size)
{
return Tcl_DbCkrealloc(ptr, size, "unknown", 0);
}
char *
-Tcl_AttemptRealloc(ptr, size)
- char *ptr;
- unsigned int size;
+Tcl_AttemptRealloc(
+ char *ptr,
+ unsigned int size)
{
return Tcl_AttemptDbCkrealloc(ptr, size, "unknown", 0);
}
@@ -798,26 +798,26 @@ Tcl_AttemptRealloc(ptr, size)
*/
/* ARGSUSED */
static int
-MemoryCmd(clientData, interp, argc, argv)
- ClientData clientData;
- Tcl_Interp *interp;
- int argc;
- CONST char **argv;
+MemoryCmd(
+ ClientData clientData,
+ Tcl_Interp *interp,
+ int argc,
+ CONST char *argv[])
{
CONST char *fileName;
Tcl_DString buffer;
int result;
if (argc < 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " option [args..]\"", (char *) NULL);
+ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
+ " option [args..]\"", NULL);
return TCL_ERROR;
}
if ((strcmp(argv[1],"active") == 0) || (strcmp(argv[1],"display") == 0)) {
if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " ", argv[1], " file\"", (char *) NULL);
+ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
+ " ", argv[1], " file\"", NULL);
return TCL_ERROR;
}
fileName = Tcl_TranslateFileName(interp, argv[2], &buffer);
@@ -827,8 +827,7 @@ MemoryCmd(clientData, interp, argc, argv)
result = Tcl_DumpActiveMemory (fileName);
Tcl_DStringFree(&buffer);
if (result != TCL_OK) {
- Tcl_AppendResult(interp, "error accessing ", argv[2],
- (char *) NULL);
+ Tcl_AppendResult(interp, "error accessing ", argv[2], NULL);
return TCL_ERROR;
}
return TCL_OK;
@@ -862,8 +861,8 @@ MemoryCmd(clientData, interp, argc, argv)
}
if (strcmp(argv[1],"onexit") == 0) {
if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"",
- argv[0], " onexit file\"", (char *) NULL);
+ Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
+ " onexit file\"", NULL);
return TCL_ERROR;
}
fileName = Tcl_TranslateFileName(interp, argv[2], &buffer);
@@ -878,7 +877,7 @@ MemoryCmd(clientData, interp, argc, argv)
if (strcmp(argv[1],"tag") == 0) {
if (argc != 3) {
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " tag string\"", (char *) NULL);
+ " tag string\"", NULL);
return TCL_ERROR;
}
if ((curTagPtr != NULL) && (curTagPtr->refCount == 0)) {
@@ -916,17 +915,17 @@ MemoryCmd(clientData, interp, argc, argv)
Tcl_AppendResult(interp, "bad option \"", argv[1],
"\": should be active, break_on_malloc, info, init, onexit, ",
- "tag, trace, trace_on_at_malloc, or validate", (char *) NULL);
+ "tag, trace, trace_on_at_malloc, or validate", NULL);
return TCL_ERROR;
argError:
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " ", argv[1], " count\"", (char *) NULL);
+ " ", argv[1], " count\"", NULL);
return TCL_ERROR;
bad_suboption:
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " ", argv[1], " on|off\"", (char *) NULL);
+ " ", argv[1], " on|off\"", NULL);
return TCL_ERROR;
}
@@ -949,15 +948,15 @@ MemoryCmd(clientData, interp, argc, argv)
*/
static int
-CheckmemCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Not used. */
- Tcl_Interp *interp; /* Interpreter for evaluation. */
- int argc; /* Number of arguments. */
- CONST char *argv[]; /* String values of arguments. */
+CheckmemCmd(
+ ClientData clientData, /* Not used. */
+ Tcl_Interp *interp, /* Interpreter for evaluation. */
+ int argc, /* Number of arguments. */
+ CONST char *argv[]) /* String values of arguments. */
{
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " fileName\"", (char *) NULL);
+ " fileName\"", NULL);
return TCL_ERROR;
}
tclMemDumpFileName = dumpFile;
@@ -982,14 +981,13 @@ CheckmemCmd(clientData, interp, argc, argv)
*/
void
-Tcl_InitMemory(interp)
- Tcl_Interp *interp; /* Interpreter in which commands should be added */
+Tcl_InitMemory(
+ Tcl_Interp *interp) /* Interpreter in which commands should be
+ * added */
{
TclInitDbCkalloc();
- Tcl_CreateCommand(interp, "memory", MemoryCmd, (ClientData) NULL,
- (Tcl_CmdDeleteProc *) NULL);
- Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, (ClientData) 0,
- (Tcl_CmdDeleteProc *) NULL);
+ Tcl_CreateCommand(interp, "memory", MemoryCmd, (ClientData) NULL, NULL);
+ Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, (ClientData) 0, NULL);
}
@@ -1014,8 +1012,8 @@ Tcl_InitMemory(interp)
*/
char *
-Tcl_Alloc(size)
- unsigned int size;
+Tcl_Alloc(
+ unsigned int size)
{
char *result;
@@ -1023,7 +1021,7 @@ Tcl_Alloc(size)
/*
* Most systems will not alloc(0), instead bumping it to one so that NULL
- * isn't returned. Some systems (AIX, Tru64) will alloc(0) by returning
+ * isn't returned. Some systems (AIX, Tru64) will alloc(0) by returning
* NULL, so we have to check that the NULL we get is not in response to
* alloc(0).
*
@@ -1038,10 +1036,10 @@ Tcl_Alloc(size)
}
char *
-Tcl_DbCkalloc(size, file, line)
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_DbCkalloc(
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *result;
@@ -1066,8 +1064,8 @@ Tcl_DbCkalloc(size, file, line)
*/
char *
-Tcl_AttemptAlloc(size)
- unsigned int size;
+Tcl_AttemptAlloc(
+ unsigned int size)
{
char *result;
@@ -1076,10 +1074,10 @@ Tcl_AttemptAlloc(size)
}
char *
-Tcl_AttemptDbCkalloc(size, file, line)
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_AttemptDbCkalloc(
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *result;
@@ -1099,9 +1097,9 @@ Tcl_AttemptDbCkalloc(size, file, line)
*/
char *
-Tcl_Realloc(ptr, size)
- char *ptr;
- unsigned int size;
+Tcl_Realloc(
+ char *ptr,
+ unsigned int size)
{
char *result;
@@ -1114,11 +1112,11 @@ Tcl_Realloc(ptr, size)
}
char *
-Tcl_DbCkrealloc(ptr, size, file, line)
- char *ptr;
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_DbCkrealloc(
+ char *ptr,
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *result;
@@ -1143,9 +1141,9 @@ Tcl_DbCkrealloc(ptr, size, file, line)
*/
char *
-Tcl_AttemptRealloc(ptr, size)
- char *ptr;
- unsigned int size;
+Tcl_AttemptRealloc(
+ char *ptr,
+ unsigned int size)
{
char *result;
@@ -1154,11 +1152,11 @@ Tcl_AttemptRealloc(ptr, size)
}
char *
-Tcl_AttemptDbCkrealloc(ptr, size, file, line)
- char *ptr;
- unsigned int size;
- CONST char *file;
- int line;
+Tcl_AttemptDbCkrealloc(
+ char *ptr,
+ unsigned int size,
+ CONST char *file,
+ int line)
{
char *result;
@@ -1179,17 +1177,17 @@ Tcl_AttemptDbCkrealloc(ptr, size, file, line)
*/
void
-Tcl_Free(ptr)
- char *ptr;
+Tcl_Free(
+ char *ptr)
{
TclpFree(ptr);
}
int
-Tcl_DbCkfree(ptr, file, line)
- char *ptr;
- CONST char *file;
- int line;
+Tcl_DbCkfree(
+ char *ptr,
+ CONST char *file,
+ int line)
{
TclpFree(ptr);
return 0;
@@ -1207,28 +1205,28 @@ Tcl_DbCkfree(ptr, file, line)
*/
/* ARGSUSED */
void
-Tcl_InitMemory(interp)
- Tcl_Interp *interp;
+Tcl_InitMemory(
+ Tcl_Interp *interp)
{
}
int
-Tcl_DumpActiveMemory(fileName)
- CONST char *fileName;
+Tcl_DumpActiveMemory(
+ CONST char *fileName)
{
return TCL_OK;
}
void
-Tcl_ValidateAllMemory(file, line)
- CONST char *file;
- int line;
+Tcl_ValidateAllMemory(
+ CONST char *file,
+ int line)
{
}
void
-TclDumpMemoryInfo(outFile)
- FILE *outFile;
+TclDumpMemoryInfo(
+ FILE *outFile)
{
}
@@ -1254,7 +1252,7 @@ TclDumpMemoryInfo(outFile)
*/
void
-TclFinalizeMemorySubsystem()
+TclFinalizeMemorySubsystem(void)
{
#ifdef TCL_MEM_DEBUG
if (tclMemDumpFileName != NULL) {