lemoncake

rbtree based memory allocator
git clone git://git.2f30.org/lemoncake.git
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commit 7b508fec7d430478e9c4d534ce0f7fa9d461f2bc
parent 146817d152c4279e0d21eca1289b6c321cfdb65d
Author: sin <sin@2f30.org>
Date:   Sun Aug  4 17:33:59 +0100

Implement align_pointer()

Diffstat:
lemoncake.c | 12++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/lemoncake.c b/lemoncake.c @@ -87,6 +87,12 @@ at_cmp(struct node *a, struct node *b) } static inline void * +align_pointer(size_t align, void *p) +{ + return (void *)(((uintptr_t)p + align) & ~(align - 1)); +} + +static inline void * alloc_object(size_t siz) { void *base, *p; @@ -95,9 +101,8 @@ alloc_object(size_t siz) if (base == (void *)-1) return NULL; p = base; - p = (void *)(((uintptr_t)p + ALIGN) & ~(ALIGN - 1)); st.nr_sbrk++; - return p; + return align_pointer(ALIGN, p); } static inline void * @@ -112,9 +117,8 @@ mmap_aligned(size_t align, size_t siz) MAP_PRIVATE | MAP_ANON, -1, 0); if (p == MAP_FAILED) return NULL; - p = (void *)(((uintptr_t)p + align) & ~(align - 1)); st.nr_mmap++; - return p; + return align_pointer(align, p); } static int