diff options
Diffstat (limited to 'generic/tclThreadAlloc.c')
| -rw-r--r-- | generic/tclThreadAlloc.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/generic/tclThreadAlloc.c b/generic/tclThreadAlloc.c index 727f061..1eb6315 100644 --- a/generic/tclThreadAlloc.c +++ b/generic/tclThreadAlloc.c @@ -210,7 +210,7 @@ GetCache(void) cachePtr = (Cache*)TclpGetAllocCache(); if (cachePtr == NULL) { - cachePtr = (Cache*)TclpSysAlloc(sizeof(Cache), 0); + cachePtr = (Cache*)TclpSysAlloc(sizeof(Cache)); if (cachePtr == NULL) { Tcl_Panic("alloc: could not allocate new cache"); } @@ -300,26 +300,13 @@ TclFreeAllocCache( void * TclpAlloc( - unsigned int reqSize) + size_t reqSize) { Cache *cachePtr; Block *blockPtr; int bucket; size_t size; -#ifndef __LP64__ - if (sizeof(int) >= sizeof(size_t)) { - /* An unsigned int overflow can also be a size_t overflow */ - const size_t zero = 0; - const size_t max = ~zero; - - if (((size_t) reqSize) > max - sizeof(Block) - RCHECK) { - /* Requested allocation exceeds memory */ - return NULL; - } - } -#endif - GETCACHE(cachePtr); /* @@ -336,7 +323,7 @@ TclpAlloc( #endif if (size > MAXALLOC) { bucket = NBUCKETS; - blockPtr = (Block *)TclpSysAlloc(size, 0); + blockPtr = (Block *)TclpSysAlloc(size); if (blockPtr != NULL) { cachePtr->totalAssigned += reqSize; } @@ -437,7 +424,7 @@ TclpFree( void * TclpRealloc( void *ptr, - unsigned int reqSize) + size_t reqSize) { Cache *cachePtr; Block *blockPtr; @@ -449,19 +436,6 @@ TclpRealloc( return TclpAlloc(reqSize); } -#ifndef __LP64__ - if (sizeof(int) >= sizeof(size_t)) { - /* An unsigned int overflow can also be a size_t overflow */ - const size_t zero = 0; - const size_t max = ~zero; - - if (((size_t) reqSize) > max - sizeof(Block) - RCHECK) { - /* Requested allocation exceeds memory */ - return NULL; - } - } -#endif - GETCACHE(cachePtr); /* @@ -562,7 +536,7 @@ TclThreadAllocObj(void) Tcl_Obj *newObjsPtr; cachePtr->numObjects = numMove = NOBJALLOC; - newObjsPtr = (Tcl_Obj *)TclpSysAlloc(sizeof(Tcl_Obj) * numMove, 0); + newObjsPtr = (Tcl_Obj *)TclpSysAlloc(sizeof(Tcl_Obj) * numMove); if (newObjsPtr == NULL) { Tcl_Panic("alloc: could not allocate %" TCL_Z_MODIFIER "u new objects", numMove); } @@ -1031,7 +1005,7 @@ GetBlocks( if (blockPtr == NULL) { size = MAXALLOC; - blockPtr = (Block*)TclpSysAlloc(size, 0); + blockPtr = (Block*)TclpSysAlloc(size); if (blockPtr == NULL) { return 0; } |