diff options
Diffstat (limited to 'src/malloc/oldmalloc/malloc.c')
-rw-r--r-- | src/malloc/oldmalloc/malloc.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/malloc/oldmalloc/malloc.c b/src/malloc/oldmalloc/malloc.c index df3ea1be..afa75722 100644 --- a/src/malloc/oldmalloc/malloc.c +++ b/src/malloc/oldmalloc/malloc.c @@ -341,42 +341,6 @@ void *malloc(size_t n) return CHUNK_TO_MEM(c); } -static size_t mal0_clear(char *p, size_t pagesz, size_t n) -{ -#ifdef __GNUC__ - typedef uint64_t __attribute__((__may_alias__)) T; -#else - typedef unsigned char T; -#endif - char *pp = p + n; - size_t i = (uintptr_t)pp & (pagesz - 1); - for (;;) { - pp = memset(pp - i, 0, i); - if (pp - p < pagesz) return pp - p; - for (i = pagesz; i; i -= 2*sizeof(T), pp -= 2*sizeof(T)) - if (((T *)pp)[-1] | ((T *)pp)[-2]) - break; - } -} - -void *calloc(size_t m, size_t n) -{ - if (n && m > (size_t)-1/n) { - errno = ENOMEM; - return 0; - } - n *= m; - void *p = malloc(n); - if (!p) return p; - if (!__malloc_replaced) { - if (IS_MMAPPED(MEM_TO_CHUNK(p))) - return p; - if (n >= PAGE_SIZE) - n = mal0_clear(p, PAGE_SIZE, n); - } - return memset(p, 0, n); -} - void *realloc(void *p, size_t n) { struct chunk *self, *next; |