From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 27 Dec 2000 23:27:22 +0000 (+0000)
Subject: (memmove): Add prototypes. (MALLOC_MEMMOVE): Define. (chunk_realloc): Use it instead... 
X-Git-Tag: cvs/glibc-2_2_1~113
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5fba3e5e3c6fd862a7159059898812ecfcf4249d;p=platform%2Fupstream%2Fglibc.git

(memmove): Add prototypes. (MALLOC_MEMMOVE): Define. (chunk_realloc): Use it instead of MALLOC_COPY if source and destination might overlap.
---

diff --git a/malloc/malloc.c b/malloc/malloc.c
index 2eb9c55..187c814 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -415,9 +415,11 @@ extern "C" {
 #if __STD_C
 void* memset(void*, int, size_t);
 void* memcpy(void*, const void*, size_t);
+void* memmove(void*, const void*, size_t);
 #else
 Void_t* memset();
 Void_t* memcpy();
+Void_t* memmove();
 #endif
 #endif
 
@@ -462,6 +464,9 @@ do {                                                                          \
   } else memcpy(dest, src, mcsz);                                             \
 } while(0)
 
+#define MALLOC_MEMMOVE(dest,src,nbytes)                                       \
+  memmove(dest, src, mcsz)
+
 #else /* !USE_MEMCPY */
 
 /* Use Duff's device for good zeroing/copying performance. */