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-rw-r--r--generic/tclCkalloc.c376
1 files changed, 210 insertions, 166 deletions
diff --git a/generic/tclCkalloc.c b/generic/tclCkalloc.c
index d04b45a..3484a97 100644
--- a/generic/tclCkalloc.c
+++ b/generic/tclCkalloc.c
@@ -13,8 +13,6 @@
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* This code contributed by Karl Lehenbauer and Mark Diekhans
- *
- * RCS: @(#) $Id: tclCkalloc.c,v 1.26 2005/11/01 15:30:52 dkf Exp $
*/
#include "tclInt.h"
@@ -22,6 +20,12 @@
#define FALSE 0
#define TRUE 1
+#undef Tcl_Alloc
+#undef Tcl_Free
+#undef Tcl_Realloc
+#undef Tcl_AttemptAlloc
+#undef Tcl_AttemptRealloc
+
#ifdef TCL_MEM_DEBUG
/*
@@ -30,14 +34,14 @@
*/
typedef struct MemTag {
- int refCount; /* Number of mem_headers referencing this
+ size_t refCount; /* Number of mem_headers referencing this
* tag. */
- char string[4]; /* Actual size of string will be as large as
+ char string[1]; /* Actual size of string will be as large as
* needed for actual tag. This must be the
* last field in the structure. */
} MemTag;
-#define TAG_SIZE(bytesInString) ((unsigned) sizeof(MemTag) + bytesInString - 3)
+#define TAG_SIZE(bytesInString) ((TclOffset(MemTag, string) + 1) + bytesInString)
static MemTag *curTagPtr = NULL;/* Tag to use in all future mem_headers (set
* by "memory tag" command). */
@@ -48,14 +52,14 @@ static MemTag *curTagPtr = NULL;/* Tag to use in all future mem_headers (set
* to help detect chunk under-runs.
*/
-#define LOW_GUARD_SIZE (8 + (32 - (sizeof(long) + sizeof(int)))%8)
+#define LOW_GUARD_SIZE (8 + (32 - (sizeof(size_t) + sizeof(int)))%8)
struct mem_header {
struct mem_header *flink;
struct mem_header *blink;
MemTag *tagPtr; /* Tag from "memory tag" command; may be
* NULL. */
- CONST char *file;
- long length;
+ const char *file;
+ size_t length;
int line;
unsigned char low_guard[LOW_GUARD_SIZE];
/* Aligns body on 8-byte boundary, plus
@@ -83,16 +87,16 @@ static struct mem_header *allocHead = NULL; /* List of allocated structures */
*/
#define BODY_OFFSET \
- ((unsigned long) (&((struct mem_header *) 0)->body))
-
-static int total_mallocs = 0;
-static int total_frees = 0;
-static int current_bytes_malloced = 0;
-static int maximum_bytes_malloced = 0;
-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;
+ ((size_t) (&((struct mem_header *) 0)->body))
+
+static unsigned int total_mallocs = 0;
+static unsigned int total_frees = 0;
+static size_t current_bytes_malloced = 0;
+static size_t maximum_bytes_malloced = 0;
+static unsigned int current_malloc_packets = 0;
+static unsigned int maximum_malloc_packets = 0;
+static unsigned int break_on_malloc = 0;
+static unsigned int trace_on_at_malloc = 0;
static int alloc_tracing = FALSE;
static int init_malloced_bodies = TRUE;
#ifdef MEM_VALIDATE
@@ -128,11 +132,11 @@ static int ckallocInit = 0;
*/
static int CheckmemCmd(ClientData clientData, Tcl_Interp *interp,
- int argc, CONST char *argv[]);
+ int argc, const char *argv[]);
static int MemoryCmd(ClientData clientData, Tcl_Interp *interp,
- int argc, CONST char *argv[]);
+ int argc, const char *argv[]);
static void ValidateMemory(struct mem_header *memHeaderP,
- CONST char *file, int line, int nukeGuards);
+ const char *file, int line, int nukeGuards);
/*
*----------------------------------------------------------------------
@@ -152,6 +156,10 @@ TclInitDbCkalloc(void)
if (!ckallocInit) {
ckallocInit = 1;
ckallocMutexPtr = Tcl_GetAllocMutex();
+#ifndef TCL_THREADS
+ /* Silence compiler warning */
+ (void)ckallocMutexPtr;
+#endif
}
}
@@ -165,22 +173,36 @@ TclInitDbCkalloc(void)
*----------------------------------------------------------------------
*/
-void
+int
TclDumpMemoryInfo(
- FILE *outFile)
+ ClientData clientData,
+ int flags)
{
- fprintf(outFile,"total mallocs %10d\n",
- total_mallocs);
- fprintf(outFile,"total frees %10d\n",
- total_frees);
- fprintf(outFile,"current packets allocated %10d\n",
- current_malloc_packets);
- fprintf(outFile,"current bytes allocated %10d\n",
- current_bytes_malloced);
- fprintf(outFile,"maximum packets allocated %10d\n",
- maximum_malloc_packets);
- fprintf(outFile,"maximum bytes allocated %10d\n",
- maximum_bytes_malloced);
+ char buf[1024];
+
+ if (clientData == NULL) {
+ return 0;
+ }
+ sprintf(buf,
+ "total mallocs %10u\n"
+ "total frees %10u\n"
+ "current packets allocated %10u\n"
+ "current bytes allocated %10" TCL_LL_MODIFIER "u\n"
+ "maximum packets allocated %10u\n"
+ "maximum bytes allocated %10" TCL_LL_MODIFIER "u\n",
+ total_mallocs,
+ total_frees,
+ current_malloc_packets,
+ (Tcl_WideInt)current_bytes_malloced,
+ maximum_malloc_packets,
+ (Tcl_WideInt)maximum_bytes_malloced);
+ if (flags == 0) {
+ fprintf((FILE *)clientData, "%s", buf);
+ } else {
+ /* Assume objPtr to append to */
+ Tcl_AppendToObj((Tcl_Obj *) clientData, buf, -1);
+ }
+ return 1;
}
/*
@@ -204,7 +226,7 @@ static void
ValidateMemory(
struct mem_header *memHeaderP,
/* Memory chunk to validate */
- CONST char *file, /* File containing the call to
+ const char *file, /* File containing the call to
* Tcl_ValidateAllMemory */
int line, /* Line number of call to
* Tcl_ValidateAllMemory */
@@ -213,7 +235,7 @@ ValidateMemory(
* been printed */
{
unsigned char *hiPtr;
- int idx;
+ size_t idx;
int guard_failed = FALSE;
int byte;
@@ -223,16 +245,16 @@ ValidateMemory(
guard_failed = TRUE;
fflush(stdout);
byte &= 0xff;
- fprintf(stderr, "low guard byte %d is 0x%x \t%c\n", idx, byte,
+ fprintf(stderr, "low guard byte %d is 0x%x \t%c\n", (int)idx, byte,
(isprint(UCHAR(byte)) ? byte : ' ')); /* INTL: bytes */
}
}
if (guard_failed) {
- TclDumpMemoryInfo (stderr);
- fprintf(stderr, "low guard failed at %lx, %s %d\n",
- (long unsigned int) memHeaderP->body, file, line);
+ TclDumpMemoryInfo((ClientData) stderr, 0);
+ fprintf(stderr, "low guard failed at %p, %s %d\n",
+ memHeaderP->body, file, line);
fflush(stderr); /* In case name pointer is bad. */
- fprintf(stderr, "%ld bytes allocated at (%s %d)\n", memHeaderP->length,
+ fprintf(stderr, "%" TCL_LL_MODIFIER "d bytes allocated at (%s %d)\n", (Tcl_WideInt) memHeaderP->length,
memHeaderP->file, memHeaderP->line);
Tcl_Panic("Memory validation failure");
}
@@ -244,25 +266,25 @@ ValidateMemory(
guard_failed = TRUE;
fflush(stdout);
byte &= 0xff;
- fprintf(stderr, "hi guard byte %d is 0x%x \t%c\n", idx, byte,
+ fprintf(stderr, "hi guard byte %d is 0x%x \t%c\n", (int)idx, byte,
(isprint(UCHAR(byte)) ? byte : ' ')); /* INTL: bytes */
}
}
if (guard_failed) {
- TclDumpMemoryInfo(stderr);
- fprintf(stderr, "high guard failed at %lx, %s %d\n",
- (long unsigned int) memHeaderP->body, file, line);
+ TclDumpMemoryInfo((ClientData) stderr, 0);
+ fprintf(stderr, "high guard failed at %p, %s %d\n",
+ memHeaderP->body, file, line);
fflush(stderr); /* In case name pointer is bad. */
- fprintf(stderr, "%ld bytes allocated at (%s %d)\n",
- memHeaderP->length, memHeaderP->file,
+ fprintf(stderr, "%" TCL_LL_MODIFIER "d bytes allocated at (%s %d)\n",
+ (Tcl_WideInt)memHeaderP->length, memHeaderP->file,
memHeaderP->line);
Tcl_Panic("Memory validation failure");
}
if (nukeGuards) {
- memset((char *) memHeaderP->low_guard, 0, LOW_GUARD_SIZE);
- memset((char *) hiPtr, 0, HIGH_GUARD_SIZE);
+ memset(memHeaderP->low_guard, 0, LOW_GUARD_SIZE);
+ memset(hiPtr, 0, HIGH_GUARD_SIZE);
}
}
@@ -285,7 +307,7 @@ ValidateMemory(
void
Tcl_ValidateAllMemory(
- CONST char *file, /* File from which Tcl_ValidateAllMemory was
+ const char *file, /* File from which Tcl_ValidateAllMemory was
* called. */
int line) /* Line number of call to
* Tcl_ValidateAllMemory */
@@ -319,7 +341,7 @@ Tcl_ValidateAllMemory(
int
Tcl_DumpActiveMemory(
- CONST char *fileName) /* Name of the file to write info to */
+ const char *fileName) /* Name of the file to write info to */
{
FILE *fileP;
struct mem_header *memScanP;
@@ -336,11 +358,10 @@ Tcl_DumpActiveMemory(
Tcl_MutexLock(ckallocMutexPtr);
for (memScanP = allocHead; memScanP != NULL; memScanP = memScanP->flink) {
- address = &memScanP->body [0];
- fprintf(fileP, "%8lx - %8lx %7ld @ %s %d %s",
- (long unsigned int) address,
- (long unsigned int) address + memScanP->length - 1,
- memScanP->length, memScanP->file, memScanP->line,
+ address = &memScanP->body[0];
+ fprintf(fileP, "%p - %p %" TCL_LL_MODIFIER "d @ %s %d %s",
+ address, address + memScanP->length - 1,
+ (Tcl_WideInt)memScanP->length, memScanP->file, memScanP->line,
(memScanP->tagPtr == NULL) ? "" : memScanP->tagPtr->string);
(void) fputc('\n', fileP);
}
@@ -373,20 +394,23 @@ Tcl_DumpActiveMemory(
char *
Tcl_DbCkalloc(
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
- struct mem_header *result;
+ struct mem_header *result = NULL;
if (validate_memory) {
Tcl_ValidateAllMemory(file, line);
}
- result = (struct mem_header *) TclpAlloc((unsigned)size +
- sizeof(struct mem_header) + HIGH_GUARD_SIZE);
+ /* Don't let size argument to TclpAlloc overflow */
+ if (size <= UINT_MAX - HIGH_GUARD_SIZE -sizeof(struct mem_header)) {
+ result = (struct mem_header *) TclpAlloc((unsigned)size +
+ sizeof(struct mem_header) + HIGH_GUARD_SIZE);
+ }
if (result == NULL) {
fflush(stdout);
- TclDumpMemoryInfo(stderr);
+ TclDumpMemoryInfo((ClientData) stderr, 0);
Tcl_Panic("unable to alloc %u bytes, %s line %d", size, file, line);
}
@@ -397,10 +421,10 @@ Tcl_DbCkalloc(
*/
if (init_malloced_bodies) {
- memset((VOID *) result, GUARD_VALUE,
+ memset(result, GUARD_VALUE,
size + sizeof(struct mem_header) + HIGH_GUARD_SIZE);
} else {
- memset((char *) result->low_guard, GUARD_VALUE, LOW_GUARD_SIZE);
+ memset(result->low_guard, GUARD_VALUE, LOW_GUARD_SIZE);
memset(result->body + size, GUARD_VALUE, HIGH_GUARD_SIZE);
}
if (!ckallocInit) {
@@ -425,7 +449,7 @@ Tcl_DbCkalloc(
total_mallocs++;
if (trace_on_at_malloc && (total_mallocs >= trace_on_at_malloc)) {
(void) fflush(stdout);
- fprintf(stderr, "reached malloc trace enable point (%d)\n",
+ fprintf(stderr, "reached malloc trace enable point (%u)\n",
total_mallocs);
fflush(stderr);
alloc_tracing = TRUE;
@@ -433,18 +457,14 @@ Tcl_DbCkalloc(
}
if (alloc_tracing) {
- fprintf(stderr,"ckalloc %lx %u %s %d\n",
- (long unsigned int) result->body, size, file, line);
+ fprintf(stderr,"ckalloc %p %u %s %d\n",
+ result->body, size, file, line);
}
if (break_on_malloc && (total_mallocs >= break_on_malloc)) {
break_on_malloc = 0;
(void) fflush(stdout);
- fprintf(stderr,"reached malloc break limit (%d)\n",
- total_mallocs);
- fprintf(stderr, "program will now enter C debugger\n");
- (void) fflush(stderr);
- abort();
+ Tcl_Panic("reached malloc break limit (%u)", total_mallocs);
}
current_malloc_packets++;
@@ -464,20 +484,23 @@ Tcl_DbCkalloc(
char *
Tcl_AttemptDbCkalloc(
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
- struct mem_header *result;
+ struct mem_header *result = NULL;
if (validate_memory) {
Tcl_ValidateAllMemory(file, line);
}
- result = (struct mem_header *) TclpAlloc((unsigned)size +
- sizeof(struct mem_header) + HIGH_GUARD_SIZE);
+ /* Don't let size argument to TclpAlloc overflow */
+ if (size <= UINT_MAX - HIGH_GUARD_SIZE - sizeof(struct mem_header)) {
+ result = (struct mem_header *) TclpAlloc((unsigned)size +
+ sizeof(struct mem_header) + HIGH_GUARD_SIZE);
+ }
if (result == NULL) {
fflush(stdout);
- TclDumpMemoryInfo(stderr);
+ TclDumpMemoryInfo((ClientData) stderr, 0);
return NULL;
}
@@ -487,10 +510,10 @@ Tcl_AttemptDbCkalloc(
* allocated list.
*/
if (init_malloced_bodies) {
- memset((VOID *) result, GUARD_VALUE,
+ memset(result, GUARD_VALUE,
size + sizeof(struct mem_header) + HIGH_GUARD_SIZE);
} else {
- memset((char *) result->low_guard, GUARD_VALUE, LOW_GUARD_SIZE);
+ memset(result->low_guard, GUARD_VALUE, LOW_GUARD_SIZE);
memset(result->body + size, GUARD_VALUE, HIGH_GUARD_SIZE);
}
if (!ckallocInit) {
@@ -523,18 +546,14 @@ Tcl_AttemptDbCkalloc(
}
if (alloc_tracing) {
- fprintf(stderr,"ckalloc %lx %u %s %d\n",
- (long unsigned int) result->body, size, file, line);
+ fprintf(stderr,"ckalloc %p %u %s %d\n",
+ result->body, size, file, line);
}
if (break_on_malloc && (total_mallocs >= break_on_malloc)) {
break_on_malloc = 0;
(void) fflush(stdout);
- fprintf(stderr,"reached malloc break limit (%d)\n",
- total_mallocs);
- fprintf(stderr, "program will now enter C debugger\n");
- (void) fflush(stderr);
- abort();
+ Tcl_Panic("reached malloc break limit (%d)", total_mallocs);
}
current_malloc_packets++;
@@ -569,16 +588,16 @@ Tcl_AttemptDbCkalloc(
*----------------------------------------------------------------------
*/
-int
+void
Tcl_DbCkfree(
char *ptr,
- CONST char *file,
+ const char *file,
int line)
{
struct mem_header *memp;
if (ptr == NULL) {
- return 0;
+ return;
}
/*
@@ -589,11 +608,11 @@ Tcl_DbCkfree(
* words on these machines).
*/
- memp = (struct mem_header *) (((unsigned long) ptr) - BODY_OFFSET);
+ memp = (struct mem_header *) (((size_t) ptr) - BODY_OFFSET);
if (alloc_tracing) {
- fprintf(stderr, "ckfree %lx %ld %s %d\n",
- (long unsigned int) memp->body, memp->length, file, line);
+ fprintf(stderr, "ckfree %p %" TCL_LL_MODIFIER "d %s %d\n",
+ memp->body, (Tcl_WideInt) memp->length, file, line);
}
if (validate_memory) {
@@ -603,7 +622,7 @@ Tcl_DbCkfree(
Tcl_MutexLock(ckallocMutexPtr);
ValidateMemory(memp, file, line, TRUE);
if (init_malloced_bodies) {
- memset((VOID *) ptr, GUARD_VALUE, (size_t) memp->length);
+ memset(ptr, GUARD_VALUE, memp->length);
}
total_frees++;
@@ -611,8 +630,7 @@ Tcl_DbCkfree(
current_bytes_malloced -= memp->length;
if (memp->tagPtr != NULL) {
- memp->tagPtr->refCount--;
- if ((memp->tagPtr->refCount == 0) && (curTagPtr != memp->tagPtr)) {
+ if ((memp->tagPtr->refCount-- <= 1) && (curTagPtr != memp->tagPtr)) {
TclpFree((char *) memp->tagPtr);
}
}
@@ -632,8 +650,6 @@ Tcl_DbCkfree(
}
TclpFree((char *) memp);
Tcl_MutexUnlock(ckallocMutexPtr);
-
- return 0;
}
/*
@@ -653,11 +669,11 @@ char *
Tcl_DbCkrealloc(
char *ptr,
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
- char *new;
- unsigned int copySize;
+ char *newPtr;
+ size_t copySize;
struct mem_header *memp;
if (ptr == NULL) {
@@ -668,27 +684,27 @@ Tcl_DbCkrealloc(
* See comment from Tcl_DbCkfree before you change the following line.
*/
- memp = (struct mem_header *) (((unsigned long) ptr) - BODY_OFFSET);
+ memp = (struct mem_header *) (((size_t) ptr) - BODY_OFFSET);
copySize = size;
- if (copySize > (unsigned int) memp->length) {
+ if (copySize > memp->length) {
copySize = memp->length;
}
- new = Tcl_DbCkalloc(size, file, line);
- memcpy((VOID *) new, (VOID *) ptr, (size_t) copySize);
+ newPtr = Tcl_DbCkalloc(size, file, line);
+ memcpy(newPtr, ptr, (size_t) copySize);
Tcl_DbCkfree(ptr, file, line);
- return new;
+ return newPtr;
}
char *
Tcl_AttemptDbCkrealloc(
char *ptr,
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
- char *new;
- unsigned int copySize;
+ char *newPtr;
+ size_t copySize;
struct mem_header *memp;
if (ptr == NULL) {
@@ -699,19 +715,19 @@ Tcl_AttemptDbCkrealloc(
* See comment from Tcl_DbCkfree before you change the following line.
*/
- memp = (struct mem_header *) (((unsigned long) ptr) - BODY_OFFSET);
+ memp = (struct mem_header *) (((size_t) ptr) - BODY_OFFSET);
copySize = size;
- if (copySize > (unsigned int) memp->length) {
+ if (copySize > memp->length) {
copySize = memp->length;
}
- new = Tcl_AttemptDbCkalloc(size, file, line);
- if (new == NULL) {
+ newPtr = Tcl_AttemptDbCkalloc(size, file, line);
+ if (newPtr == NULL) {
return NULL;
}
- memcpy((VOID *) new, (VOID *) ptr, (size_t) copySize);
+ memcpy(newPtr, ptr, (size_t) copySize);
Tcl_DbCkfree(ptr, file, line);
- return new;
+ return newPtr;
}
@@ -732,12 +748,6 @@ Tcl_AttemptDbCkrealloc(
*----------------------------------------------------------------------
*/
-#undef Tcl_Alloc
-#undef Tcl_Free
-#undef Tcl_Realloc
-#undef Tcl_AttemptAlloc
-#undef Tcl_AttemptRealloc
-
char *
Tcl_Alloc(
unsigned int size)
@@ -802,67 +812,94 @@ MemoryCmd(
ClientData clientData,
Tcl_Interp *interp,
int argc,
- CONST char *argv[])
+ const char *argv[])
{
- CONST char *fileName;
+ const char *fileName;
+ FILE *fileP;
Tcl_DString buffer;
int result;
+ size_t len;
if (argc < 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " option [args..]\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s option [args..]\"", argv[0]));
return TCL_ERROR;
}
- if ((strcmp(argv[1],"active") == 0) || (strcmp(argv[1],"display") == 0)) {
+ 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\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s %s file\"",
+ argv[0], argv[1]));
return TCL_ERROR;
}
fileName = Tcl_TranslateFileName(interp, argv[2], &buffer);
if (fileName == NULL) {
return TCL_ERROR;
}
- result = Tcl_DumpActiveMemory (fileName);
+ result = Tcl_DumpActiveMemory(fileName);
Tcl_DStringFree(&buffer);
if (result != TCL_OK) {
- Tcl_AppendResult(interp, "error accessing ", argv[2], NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("error accessing %s: %s",
+ argv[2], Tcl_PosixError(interp)));
return TCL_ERROR;
}
return TCL_OK;
}
if (strcmp(argv[1],"break_on_malloc") == 0) {
+ int value;
if (argc != 3) {
goto argError;
}
- if (Tcl_GetInt(interp, argv[2], &break_on_malloc) != TCL_OK) {
+ if (Tcl_GetInt(interp, argv[2], &value) != TCL_OK) {
return TCL_ERROR;
}
+ break_on_malloc = (unsigned int) value;
return TCL_OK;
}
if (strcmp(argv[1],"info") == 0) {
- Tcl_Obj *objPtr = Tcl_NewObj();
- TclObjPrintf(NULL, objPtr, "%-25s %10d\n%-25s %10d\n%-25s %10d\n%-25s %10d\n%-25s %10d\n%-25s %10d\n",
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "%-25s %10u\n%-25s %10u\n%-25s %10u\n%-25s %10" TCL_LL_MODIFIER"u\n%-25s %10u\n%-25s %10" TCL_LL_MODIFIER "u\n",
"total mallocs", total_mallocs, "total frees", total_frees,
"current packets allocated", current_malloc_packets,
- "current bytes allocated", current_bytes_malloced,
+ "current bytes allocated", (Tcl_WideInt)current_bytes_malloced,
"maximum packets allocated", maximum_malloc_packets,
- "maximum bytes allocated", maximum_bytes_malloced);
- Tcl_SetObjResult(interp, objPtr);
+ "maximum bytes allocated", (Tcl_WideInt)maximum_bytes_malloced));
return TCL_OK;
}
- if (strcmp(argv[1],"init") == 0) {
+ if (strcmp(argv[1], "init") == 0) {
if (argc != 3) {
goto bad_suboption;
}
init_malloced_bodies = (strcmp(argv[2],"on") == 0);
return TCL_OK;
}
+ if (strcmp(argv[1], "objs") == 0) {
+ if (argc != 3) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s objs file\"", argv[0]));
+ return TCL_ERROR;
+ }
+ fileName = Tcl_TranslateFileName(interp, argv[2], &buffer);
+ if (fileName == NULL) {
+ return TCL_ERROR;
+ }
+ fileP = fopen(fileName, "w");
+ if (fileP == NULL) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "cannot open output file: %s",
+ Tcl_PosixError(interp)));
+ return TCL_ERROR;
+ }
+ TclDbDumpActiveObjects(fileP);
+ fclose(fileP);
+ Tcl_DStringFree(&buffer);
+ return TCL_OK;
+ }
if (strcmp(argv[1],"onexit") == 0) {
if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " onexit file\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s onexit file\"", argv[0]));
return TCL_ERROR;
}
fileName = Tcl_TranslateFileName(interp, argv[2], &buffer);
@@ -876,16 +913,17 @@ MemoryCmd(
}
if (strcmp(argv[1],"tag") == 0) {
if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " tag string\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s tag string\"", argv[0]));
return TCL_ERROR;
}
if ((curTagPtr != NULL) && (curTagPtr->refCount == 0)) {
TclpFree((char *) curTagPtr);
}
- curTagPtr = (MemTag *) TclpAlloc(TAG_SIZE(strlen(argv[2])));
+ len = strlen(argv[2]);
+ curTagPtr = (MemTag *) TclpAlloc(TAG_SIZE(len));
curTagPtr->refCount = 0;
- strcpy(curTagPtr->string, argv[2]);
+ memcpy(curTagPtr->string, argv[2], len + 1);
return TCL_OK;
}
if (strcmp(argv[1],"trace") == 0) {
@@ -897,12 +935,14 @@ MemoryCmd(
}
if (strcmp(argv[1],"trace_on_at_malloc") == 0) {
+ int value;
if (argc != 3) {
goto argError;
}
- if (Tcl_GetInt(interp, argv[2], &trace_on_at_malloc) != TCL_OK) {
+ if (Tcl_GetInt(interp, argv[2], &value) != TCL_OK) {
return TCL_ERROR;
}
+ trace_on_at_malloc = value;
return TCL_OK;
}
if (strcmp(argv[1],"validate") == 0) {
@@ -913,19 +953,20 @@ MemoryCmd(
return TCL_OK;
}
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": should be active, break_on_malloc, info, init, onexit, ",
- "tag, trace, trace_on_at_malloc, or validate", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad option \"%s\": should be active, break_on_malloc, info, "
+ "init, objs, onexit, tag, trace, trace_on_at_malloc, or validate",
+ argv[1]));
return TCL_ERROR;
argError:
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " ", argv[1], " count\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s %s count\"", argv[0], argv[1]));
return TCL_ERROR;
bad_suboption:
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " ", argv[1], " on|off\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s %s on|off\"", argv[0], argv[1]));
return TCL_ERROR;
}
@@ -952,11 +993,11 @@ CheckmemCmd(
ClientData clientData, /* Not used. */
Tcl_Interp *interp, /* Interpreter for evaluation. */
int argc, /* Number of arguments. */
- CONST char *argv[]) /* String values of arguments. */
+ const char *argv[]) /* String values of arguments. */
{
if (argc != 2) {
- Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
- " fileName\"", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "wrong # args: should be \"%s fileName\"", argv[0]));
return TCL_ERROR;
}
tclMemDumpFileName = dumpFile;
@@ -986,8 +1027,8 @@ Tcl_InitMemory(
* added */
{
TclInitDbCkalloc();
- Tcl_CreateCommand(interp, "memory", MemoryCmd, (ClientData) NULL, NULL);
- Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, (ClientData) 0, NULL);
+ Tcl_CreateCommand(interp, "memory", MemoryCmd, NULL, NULL);
+ Tcl_CreateCommand(interp, "checkmem", CheckmemCmd, NULL, NULL);
}
@@ -1038,7 +1079,7 @@ Tcl_Alloc(
char *
Tcl_DbCkalloc(
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
char *result;
@@ -1076,7 +1117,7 @@ Tcl_AttemptAlloc(
char *
Tcl_AttemptDbCkalloc(
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
char *result;
@@ -1115,7 +1156,7 @@ char *
Tcl_DbCkrealloc(
char *ptr,
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
char *result;
@@ -1155,7 +1196,7 @@ char *
Tcl_AttemptDbCkrealloc(
char *ptr,
unsigned int size,
- CONST char *file,
+ const char *file,
int line)
{
char *result;
@@ -1183,14 +1224,13 @@ Tcl_Free(
TclpFree(ptr);
}
-int
+void
Tcl_DbCkfree(
char *ptr,
- CONST char *file,
+ const char *file,
int line)
{
TclpFree(ptr);
- return 0;
}
/*
@@ -1212,22 +1252,24 @@ Tcl_InitMemory(
int
Tcl_DumpActiveMemory(
- CONST char *fileName)
+ const char *fileName)
{
return TCL_OK;
}
void
Tcl_ValidateAllMemory(
- CONST char *file,
+ const char *file,
int line)
{
}
-void
+int
TclDumpMemoryInfo(
- FILE *outFile)
+ ClientData clientData,
+ int flags)
{
+ return 1;
}
#endif /* TCL_MEM_DEBUG */
@@ -1282,5 +1324,7 @@ TclFinalizeMemorySubsystem(void)
* mode: c
* c-basic-offset: 4
* fill-column: 78
+ * tab-width: 8
+ * indent-tabs-mode: nil
* End:
*/
generated by cgit v0.12 at 2025-11-01 02:04:56 (GMT)