diff options
Diffstat (limited to 'generic/tclCkalloc.c')
-rw-r--r-- | generic/tclCkalloc.c | 106 |
1 files changed, 54 insertions, 52 deletions
diff --git a/generic/tclCkalloc.c b/generic/tclCkalloc.c index 70e64f0..d60633b 100644 --- a/generic/tclCkalloc.c +++ b/generic/tclCkalloc.c @@ -34,14 +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[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) ((TclOffset(MemTag, string) + 1) + bytesInString)) +#define TAG_SIZE(bytesInString) ((offsetof(MemTag, string) + 1) + bytesInString) static MemTag *curTagPtr = NULL;/* Tag to use in all future mem_headers (set * by "memory tag" command). */ @@ -52,14 +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; + size_t length; int line; unsigned char low_guard[LOW_GUARD_SIZE]; /* Aligns body on 8-byte boundary, plus @@ -89,14 +89,14 @@ static struct mem_header *allocHead = NULL; /* List of allocated structures */ #define BODY_OFFSET \ ((size_t) (&((struct mem_header *) 0)->body)) -static int total_mallocs = 0; -static int total_frees = 0; +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 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 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 @@ -156,7 +156,7 @@ TclInitDbCkalloc(void) if (!ckallocInit) { ckallocInit = 1; ckallocMutexPtr = Tcl_GetAllocMutex(); -#ifndef TCL_THREADS +#if !TCL_THREADS /* Silence compiler warning */ (void)ckallocMutexPtr; #endif @@ -184,18 +184,18 @@ TclDumpMemoryInfo( return 0; } sprintf(buf, - "total mallocs %10d\n" - "total frees %10d\n" - "current packets allocated %10d\n" - "current bytes allocated %10lu\n" - "maximum packets allocated %10d\n" - "maximum bytes allocated %10lu\n", + "total mallocs %10u\n" + "total frees %10u\n" + "current packets allocated %10u\n" + "current bytes allocated %10" TCL_Z_MODIFIER "u\n" + "maximum packets allocated %10u\n" + "maximum bytes allocated %10" TCL_Z_MODIFIER "u\n", total_mallocs, total_frees, current_malloc_packets, - (unsigned long)current_bytes_malloced, + current_bytes_malloced, maximum_malloc_packets, - (unsigned long)maximum_bytes_malloced); + maximum_bytes_malloced); if (flags == 0) { fprintf((FILE *)clientData, "%s", buf); } else { @@ -251,10 +251,10 @@ ValidateMemory( } if (guard_failed) { TclDumpMemoryInfo((ClientData) stderr, 0); - fprintf(stderr, "low guard failed at %lx, %s %d\n", - (long unsigned) memHeaderP->body, file, line); + 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_Z_MODIFIER "u bytes allocated at (%s %d)\n", memHeaderP->length, memHeaderP->file, memHeaderP->line); Tcl_Panic("Memory validation failure"); } @@ -273,10 +273,10 @@ ValidateMemory( if (guard_failed) { TclDumpMemoryInfo((ClientData) stderr, 0); - fprintf(stderr, "high guard failed at %lx, %s %d\n", - (long unsigned) memHeaderP->body, file, line); + 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", + fprintf(stderr, "%" TCL_Z_MODIFIER "u bytes allocated at (%s %d)\n", memHeaderP->length, memHeaderP->file, memHeaderP->line); Tcl_Panic("Memory validation failure"); @@ -359,9 +359,8 @@ 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) address, - (long unsigned) address + memScanP->length - 1, + fprintf(fileP, "%p - %p %" TCL_Z_MODIFIER "u @ %s %d %s", + address, address + memScanP->length - 1, memScanP->length, memScanP->file, memScanP->line, (memScanP->tagPtr == NULL) ? "" : memScanP->tagPtr->string); (void) fputc('\n', fileP); @@ -406,7 +405,7 @@ Tcl_DbCkalloc( /* 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 + + result = (struct mem_header *) TclpAlloc(size + sizeof(struct mem_header) + HIGH_GUARD_SIZE); } if (result == NULL) { @@ -450,7 +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; @@ -458,14 +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); - Tcl_Panic("reached malloc break limit (%d)", total_mallocs); + Tcl_Panic("reached malloc break limit (%u)", total_mallocs); } current_malloc_packets++; @@ -496,7 +495,7 @@ Tcl_AttemptDbCkalloc( /* 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 + + result = (struct mem_header *) TclpAlloc(size + sizeof(struct mem_header) + HIGH_GUARD_SIZE); } if (result == NULL) { @@ -547,8 +546,8 @@ 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)) { @@ -612,8 +611,8 @@ Tcl_DbCkfree( 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_Z_MODIFIER "u %s %d\n", + memp->body, memp->length, file, line); } if (validate_memory) { @@ -623,7 +622,7 @@ Tcl_DbCkfree( Tcl_MutexLock(ckallocMutexPtr); ValidateMemory(memp, file, line, TRUE); if (init_malloced_bodies) { - memset(ptr, GUARD_VALUE, (size_t) memp->length); + memset(ptr, GUARD_VALUE, memp->length); } total_frees++; @@ -631,8 +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); } } @@ -675,7 +673,7 @@ Tcl_DbCkrealloc( int line) { char *newPtr; - unsigned int copySize; + size_t copySize; struct mem_header *memp; if (ptr == NULL) { @@ -689,11 +687,11 @@ Tcl_DbCkrealloc( memp = (struct mem_header *) (((size_t) ptr) - BODY_OFFSET); copySize = size; - if (copySize > (unsigned int) memp->length) { + if (copySize > memp->length) { copySize = memp->length; } newPtr = Tcl_DbCkalloc(size, file, line); - memcpy(newPtr, ptr, (size_t) copySize); + memcpy(newPtr, ptr, copySize); Tcl_DbCkfree(ptr, file, line); return newPtr; } @@ -706,7 +704,7 @@ Tcl_AttemptDbCkrealloc( int line) { char *newPtr; - unsigned int copySize; + size_t copySize; struct mem_header *memp; if (ptr == NULL) { @@ -720,14 +718,14 @@ Tcl_AttemptDbCkrealloc( memp = (struct mem_header *) (((size_t) ptr) - BODY_OFFSET); copySize = size; - if (copySize > (unsigned int) memp->length) { + if (copySize > memp->length) { copySize = memp->length; } newPtr = Tcl_AttemptDbCkalloc(size, file, line); if (newPtr == NULL) { return NULL; } - memcpy(newPtr, ptr, (size_t) copySize); + memcpy(newPtr, ptr, copySize); Tcl_DbCkfree(ptr, file, line); return newPtr; } @@ -849,22 +847,24 @@ MemoryCmd( 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_SetObjResult(interp, Tcl_ObjPrintf( - "%-25s %10d\n%-25s %10d\n%-25s %10d\n%-25s %10lu\n%-25s %10d\n%-25s %10lu\n", + "%-25s %10u\n%-25s %10u\n%-25s %10u\n%-25s %10" TCL_Z_MODIFIER"u\n%-25s %10u\n%-25s %10" TCL_Z_MODIFIER "u\n", "total mallocs", total_mallocs, "total frees", total_frees, "current packets allocated", current_malloc_packets, - "current bytes allocated", (unsigned long)current_bytes_malloced, + "current bytes allocated", current_bytes_malloced, "maximum packets allocated", maximum_malloc_packets, - "maximum bytes allocated", (unsigned long)maximum_bytes_malloced)); + "maximum bytes allocated", maximum_bytes_malloced)); return TCL_OK; } if (strcmp(argv[1], "init") == 0) { @@ -935,12 +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) { |