optimize mempcpy to minimize need for data saved across the call

diff --git a/src/string/mempcpy.c b/src/string/mempcpy.c
index 1b323f1..c23ca69 100644 (file)
--- a/src/string/mempcpy.c
+++ b/src/string/mempcpy.c
@@ -2,6 +2,5 @@
 
 void *mempcpy(void *dest, const void *src, size_t n)
 {
-       memcpy(dest, src, n);
-       return (char *)dest + n;
+       return (char *)memcpy(dest, src, n) + n;
 }