diff options
| -rw-r--r-- | src/gmalloc.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/gmalloc.c b/src/gmalloc.c index ea6ccc4bf1..ccc08e1ff6 100644 --- a/src/gmalloc.c +++ b/src/gmalloc.c @@ -129,6 +129,8 @@ extern FREE_RETURN_TYPE free PP ((__ptr_t __ptr)); #if ! (defined (_MALLOC_INTERNAL) && __DJGPP__ - 0 == 1) /* Avoid conflict. */ extern __ptr_t memalign PP ((__malloc_size_t __alignment, __malloc_size_t __size)); +extern int posix_memalign PP ((__ptr_t *, __malloc_size_t, + __malloc_size_t size)); #endif /* Allocate SIZE bytes on a page boundary. */ @@ -1857,6 +1859,36 @@ memalign (alignment, size) return result; } +#ifndef ENOMEM +#define ENOMEM 12 +#endif + +#ifndef EINVAL +#define EINVAL 22 +#endif + +int +posix_memalign (memptr, alignment, size) + __ptr_t *memptr; + __malloc_size_t alignment; + __malloc_size_t size; +{ + __ptr_t mem; + + if (alignment == 0 + || alignment % sizeof (__ptr_t) != 0 + || (alignment & (alignment - 1)) != 0) + return EINVAL; + + mem = memalign (alignment, size); + if (mem == NULL) + return ENOMEM; + + *memptr = mem; + + return 0; +} + #endif /* Not DJGPP v1 */ /* Allocate memory on a page boundary. Copyright (C) 1991, 92, 93, 94, 96 Free Software Foundation, Inc. |