Differential D26235 Diff 76351 stand/libsa/zalloc_malloc.c

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stand/libsa/zalloc_malloc.c

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#ifdef malloc		#ifdef malloc
#undef malloc		#undef malloc
#undef free		#undef free
#endif		#endif

static void *Malloc_align(size_t, size_t);		static void *Malloc_align(size_t, size_t);

		#ifndef MIN
		# define MIN(a,b) ((a) <= (b)) ? (a) : (b)
		#endif

void *		void *
Malloc(size_t bytes, const char *file __unused, int line __unused)		Malloc(size_t bytes, const char *file __unused, int line __unused)
{		{
return (Malloc_align(bytes, 1));		return (Malloc_align(bytes, 1));
}		}

void *		void *
Memalign(size_t alignment, size_t bytes, const char *file __unused,		Memalign(size_t alignment, size_t bytes, const char *file __unused,
▲ Show 20 Lines • Show All 51 Lines • ▼ Show 20 Lines	if (ptr != NULL) {
if (file == NULL)		if (file == NULL)
file = "unknown";		file = "unknown";
#ifdef USEGUARD		#ifdef USEGUARD
if (res->ga_Magic == GAFREE) {		if (res->ga_Magic == GAFREE) {
printf("free: duplicate free @ %p from %s:%d\n",		printf("free: duplicate free @ %p from %s:%d\n",
ptr, file, line);		ptr, file, line);
return;		return;
}		}
if (res->ga_Magic != GAMAGIC)		if (res->ga_Magic != GAMAGIC) {
		size_t dump_bytes;

		dump_bytes = MIN((ptr - MallocPool.mp_Base), 512);
		hexdump(ptr - dump_bytes, dump_bytes);
panic("free: guard1 fail @ %p from %s:%d",		panic("free: guard1 fail @ %p from %s:%d",
ptr, file, line);		ptr, file, line);
		}
res->ga_Magic = GAFREE;		res->ga_Magic = GAFREE;
#endif		#endif
#ifdef USEENDGUARD		#ifdef USEENDGUARD
if (((signed char )res + res->ga_Bytes - 1) == -1) {		if (((signed char )res + res->ga_Bytes - 1) == -1) {
printf("free: duplicate2 free @ %p from %s:%d\n",		printf("free: duplicate2 free @ %p from %s:%d\n",
ptr, file, line);		ptr, file, line);
return;		return;
}		}
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