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| author | ed <ed@FreeBSD.org> | 2012-01-09 06:36:28 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2012-01-09 06:36:28 +0000 |
| commit | 990fc2900cc85359139fbca95c216c6c302873af (patch) | |
| tree | 95b1629eb692f9ea1ee495c472e77e7e68422189 /lib/libc/stdlib/malloc.c | |
| parent | b9d5a50095d3b8b3b530da7e7b24d476068d01b5 (diff) | |
| download | FreeBSD-src-990fc2900cc85359139fbca95c216c6c302873af.zip FreeBSD-src-990fc2900cc85359139fbca95c216c6c302873af.tar.gz | |
Add aligned_alloc(3).
The C11 folks reinvented the wheel by introducing an aligned version of
malloc(3) called aligned_alloc(3), instead of posix_memalign(3). Instead
of returning the allocation by reference, it returns the address, just
like malloc(3).
Reviewed by: jasone@
Diffstat (limited to 'lib/libc/stdlib/malloc.c')
| -rw-r--r-- | lib/libc/stdlib/malloc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c index 7ef59e4..2d932cb 100644 --- a/lib/libc/stdlib/malloc.c +++ b/lib/libc/stdlib/malloc.c @@ -6043,6 +6043,20 @@ RETURN: } void * +aligned_alloc(size_t alignment, size_t size) +{ + void *memptr; + int ret; + + ret = posix_memalign(&memptr, alignment, size); + if (ret != 0) { + errno = ret; + return (NULL); + } + return (memptr); +} + +void * calloc(size_t num, size_t size) { void *ret; |
