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| author | DJ Delorie <dj@redhat.com> | 2023-03-21 00:46:43 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@redhat.com> | 2023-05-08 16:40:10 -0400 |
| commit | d1417176a35d27ffb8da0ffb1e33154163b6eeb2 (patch) | |
| tree | aa3e8cd61cadf5fec88e4cf57cfaf4b0e0ae6538 /malloc/malloc-debug.c | |
| parent | cea74a4a24c36202309e8254f1f938e2166488f3 (diff) | |
| download | glibc-d1417176a35d27ffb8da0ffb1e33154163b6eeb2.tar glibc-d1417176a35d27ffb8da0ffb1e33154163b6eeb2.tar.gz glibc-d1417176a35d27ffb8da0ffb1e33154163b6eeb2.tar.bz2 glibc-d1417176a35d27ffb8da0ffb1e33154163b6eeb2.zip | |
aligned_alloc: conform to C17
This patch adds the strict checking for power-of-two alignments
in aligned_alloc(), and updates the manual accordingly.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'malloc/malloc-debug.c')
| -rw-r--r-- | malloc/malloc-debug.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/malloc/malloc-debug.c b/malloc/malloc-debug.c index 3867d15698..da9d2340d3 100644 --- a/malloc/malloc-debug.c +++ b/malloc/malloc-debug.c @@ -299,7 +299,14 @@ __debug_memalign (size_t alignment, size_t bytes) return _debug_mid_memalign (alignment, bytes, RETURN_ADDRESS (0)); } strong_alias (__debug_memalign, memalign) -strong_alias (__debug_memalign, aligned_alloc) +static void * +__debug_aligned_alloc (size_t alignment, size_t bytes) +{ + if (!powerof2 (alignment) || alignment == 0) + return NULL; + return _debug_mid_memalign (alignment, bytes, RETURN_ADDRESS (0)); +} +strong_alias (__debug_aligned_alloc, aligned_alloc) static void * __debug_pvalloc (size_t bytes) |