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-rw-r--r--libc/stdlib/malloc/malloc.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/libc/stdlib/malloc/malloc.h b/libc/stdlib/malloc/malloc.h
index 6c4590894..4914a9edc 100644
--- a/libc/stdlib/malloc/malloc.h
+++ b/libc/stdlib/malloc/malloc.h
@@ -61,15 +61,16 @@
/* The amount of extra space used by the malloc header. */
#define MALLOC_HEADER_SIZE MALLOC_ALIGNMENT
+/* Set up the malloc header, and return the user address of a malloc block. */
+#define MALLOC_SETUP(base, size) \
+ (MALLOC_SET_SIZE (base, size), (void *)((char *)base + MALLOC_HEADER_SIZE))
+/* Set the size of a malloc allocation, given the base address. */
+#define MALLOC_SET_SIZE(base, size) (*(size_t *)(base) = (size))
+
/* Return base-address of a malloc allocation, given the user address. */
#define MALLOC_BASE(addr) ((void *)((char *)addr - MALLOC_HEADER_SIZE))
/* Return the size of a malloc allocation, given the user address. */
#define MALLOC_SIZE(addr) (*(size_t *)MALLOC_BASE(addr))
-/* Sets the size of a malloc allocation, given the user address. */
-#define MALLOC_SET_SIZE(addr, size) (*(size_t *)MALLOC_BASE(addr) = (size))
-
-/* Return the user address of a malloc allocation, given the base address. */
-#define MALLOC_ADDR(base) ((void *)((char *)base + MALLOC_HEADER_SIZE))
/* Locking for multithreaded apps. */