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-rw-r--r--src/common/malloc.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/common/malloc.c b/src/common/malloc.c
index 23e28a65f..875b87a15 100644
--- a/src/common/malloc.c
+++ b/src/common/malloc.c
@@ -369,6 +369,37 @@ void* _mrealloc(void *memblock, size_t size, const char *file, int line, const c
}
}
+/* a _mrealloc clone with the difference it 'z'eroes the newly created memory */
+void* _mreallocz(void *memblock, size_t size, const char *file, int line, const char *func ) {
+ size_t old_size;
+ void *p = NULL;
+
+ if(memblock == NULL) {
+ p = iMalloc->malloc(size,file,line,func);
+ memset(p,0,size);
+ return p;
+ }
+
+ old_size = ((struct unit_head *)((char *)memblock - sizeof(struct unit_head) + sizeof(long)))->size;
+ if( old_size == 0 ) {
+ old_size = ((struct unit_head_large *)((char *)memblock - sizeof(struct unit_head_large) + sizeof(long)))->size;
+ }
+ if(old_size > size) {
+ // Size reduction - return> as it is (negligence)
+ return memblock;
+ } else {
+ // Size Large
+ p = iMalloc->malloc(size,file,line,func);
+ if(p != NULL) {
+ memcpy(p,memblock,old_size);
+ memset(p+old_size,0,size-old_size);
+ }
+ iMalloc->free(memblock,file,line,func);
+ return p;
+ }
+}
+
+
char* _mstrdup(const char *p, const char *file, int line, const char *func )
{
if(p == NULL) {
@@ -822,12 +853,14 @@ void malloc_defaults(void) {
iMalloc->malloc = _mmalloc;
iMalloc->calloc = _mcalloc;
iMalloc->realloc = _mrealloc;
+ iMalloc->reallocz= _mreallocz;
iMalloc->astrdup = _mstrdup;
iMalloc->free = _mfree;
#else
iMalloc->malloc = aMalloc_;
iMalloc->calloc = aCalloc_;
iMalloc->realloc = aRealloc_;
+ iMalloc->reallocz= aRealloc_;/* not using memory manager huhum o.o perhaps we could still do something about */
iMalloc->astrdup = aStrdup_;
iMalloc->free = aFree_;
#endif