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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2018-12-21 09:49:37 -0200 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2018-12-28 15:39:45 -0200 |
| commit | 0253580a75decdaf22b6abce60d8265b2adb7dea (patch) | |
| tree | 9c2ff33657d7044ad615141eb2279abb166c757d /malloc/alloc_buffer_alloc_array.c | |
| parent | 09104e5ba47de6691a371d214da48dd8493c39bd (diff) | |
| download | glibc-0253580a75decdaf22b6abce60d8265b2adb7dea.zip glibc-0253580a75decdaf22b6abce60d8265b2adb7dea.tar.gz glibc-0253580a75decdaf22b6abce60d8265b2adb7dea.tar.bz2 | |
Replace check_mul_overflow_size_t with __builtin_mul_overflow
Checked on x86_64-linux-gnu and i686-linux-gnu.
* malloc/alloc_buffer_alloc_array.c (__libc_alloc_buffer_alloc_array):
Use __builtin_mul_overflow in place of check_mul_overflow_size_t.
* malloc/dynarray_emplace_enlarge.c (__libc_dynarray_emplace_enlarge):
Likewise.
* malloc/dynarray_resize.c (__libc_dynarray_resize): Likewise.
* malloc/reallocarray.c (__libc_reallocarray): Likewise.
* malloc/malloc-internal.h (check_mul_overflow_size_t): Remove
function.
* support/blob_repeat.c (check_mul_overflow_size_t,
(minimum_stride_size, support_blob_repeat_allocate): Likewise.
Diffstat (limited to 'malloc/alloc_buffer_alloc_array.c')
| -rw-r--r-- | malloc/alloc_buffer_alloc_array.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/malloc/alloc_buffer_alloc_array.c b/malloc/alloc_buffer_alloc_array.c index 1dd098a..7505422 100644 --- a/malloc/alloc_buffer_alloc_array.c +++ b/malloc/alloc_buffer_alloc_array.c @@ -17,7 +17,6 @@ <http://www.gnu.org/licenses/>. */ #include <alloc_buffer.h> -#include <malloc-internal.h> #include <libc-pointer-arith.h> void * @@ -28,7 +27,7 @@ __libc_alloc_buffer_alloc_array (struct alloc_buffer *buf, size_t element_size, /* The caller asserts that align is a power of two. */ size_t aligned = ALIGN_UP (current, align); size_t size; - bool overflow = check_mul_overflow_size_t (element_size, count, &size); + bool overflow = __builtin_mul_overflow (element_size, count, &size); size_t new_current = aligned + size; if (!overflow /* Multiplication did not overflow. */ && aligned >= current /* No overflow in align step. */ |