diff options
Diffstat (limited to 'malloc/malloc.c')
| -rw-r--r-- | malloc/malloc.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 4437ee2d7f..b1668b501b 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1072,19 +1072,6 @@ static void* malloc_atfork(size_t sz, const void *caller); static void free_atfork(void* mem, const void *caller); #endif - -/* ------------- Optional versions of memcopy ---------------- */ - - -/* - Note: memcpy is ONLY invoked with non-overlapping regions, - so the (usually slower) memmove is not needed. -*/ - -#define MALLOC_COPY(dest, src, nbytes) memcpy(dest, src, nbytes) -#define MALLOC_ZERO(dest, nbytes) memset(dest, 0, nbytes) - - /* ------------------ MMAP support ------------------ */ @@ -2956,7 +2943,7 @@ __libc_realloc(void* oldmem, size_t bytes) /* Must alloc, copy, free. */ newmem = __libc_malloc(bytes); if (newmem == 0) return 0; /* propagate failure */ - MALLOC_COPY(newmem, oldmem, oldsize - 2*SIZE_SZ); + memcpy(newmem, oldmem, oldsize - 2*SIZE_SZ); munmap_chunk(oldp); return newmem; } @@ -2987,7 +2974,7 @@ __libc_realloc(void* oldmem, size_t bytes) newp = __libc_malloc(bytes); if (newp != NULL) { - MALLOC_COPY (newp, oldmem, oldsize - SIZE_SZ); + memcpy (newp, oldmem, oldsize - SIZE_SZ); _int_free(ar_ptr, oldp, 0); } } @@ -3175,7 +3162,7 @@ __libc_calloc(size_t n, size_t elem_size) if (chunk_is_mmapped (p)) { if (__builtin_expect (perturb_byte, 0)) - return MALLOC_ZERO (mem, sz); + return memset (mem, 0, sz); return mem; } @@ -3197,7 +3184,7 @@ __libc_calloc(size_t n, size_t elem_size) assert(nclears >= 3); if (nclears > 9) - return MALLOC_ZERO(d, clearsize); + return memset(d, 0, clearsize); else { *(d+0) = 0; @@ -4201,7 +4188,7 @@ _int_realloc(mstate av, mchunkptr oldp, INTERNAL_SIZE_T oldsize, assert(ncopies >= 3); if (ncopies > 9) - MALLOC_COPY(d, s, copysize); + memcpy(d, s, copysize); else { *(d+0) = *(s+0); |