From 1080a51fd21e7b672fcdd6c11b94b8a0191640fd Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Wed, 9 Sep 2009 13:30:31 +0200 Subject: [PATCH] evaluate arguments of chunk_clone/clonea/alloc/alloca only once --- src/libstrongswan/chunk.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/libstrongswan/chunk.h b/src/libstrongswan/chunk.h index 8ea6c8e42..f565f8486 100644 --- a/src/libstrongswan/chunk.h +++ b/src/libstrongswan/chunk.h @@ -181,22 +181,22 @@ static inline void chunk_clear(chunk_t *chunk) /** * Allocate a chunk on the heap */ -#define chunk_alloc(bytes) chunk_create(malloc(bytes), bytes) +#define chunk_alloc(bytes) ({size_t x = (bytes); chunk_create(malloc(x), x);}) /** * Allocate a chunk on the stack */ -#define chunk_alloca(bytes) chunk_create(alloca(bytes), bytes) +#define chunk_alloca(bytes) ({size_t x = (bytes); chunk_create(alloca(x), x);}) /** * Clone a chunk on heap */ -#define chunk_clone(chunk) chunk_create_clone((chunk).len ? malloc((chunk).len) : NULL, chunk) +#define chunk_clone(chunk) ({chunk_t x = (chunk); chunk_create_clone(x.len ? malloc(x.len) : NULL, x);}) /** * Clone a chunk on stack */ -#define chunk_clonea(chunk) chunk_create_clone(alloca((chunk).len), chunk) +#define chunk_clonea(chunk) ({chunk_t x = (chunk); chunk_create_clone(alloca(x.len), x);}) /** * Concatenate chunks into a chunk on heap