Add strtok_r.

[gnulib.git] / lib / memcpy.c

diff --git a/lib/memcpy.c b/lib/memcpy.c
index dba7d56..fdca8de 100644 (file)
--- a/lib/memcpy.c
+++ b/lib/memcpy.c
@@ -1,16 +1,38 @@
+/* Copyright (C) 1995, 1997, 2000, 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by Jim Meyering <meyering@na-net.ornl.gov>.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stddef.h>
+
 /* Copy LEN bytes starting at SRCADDR to DESTADDR.  Result undefined
    if the source overlaps with the destination.
    Return DESTADDR. */
 
-char *
-memcpy (destaddr, srcaddr, len)
-     char *destaddr;
-     const char *srcaddr;
-     int len;
+void *
+memcpy (void *destaddr, void const *srcaddr, size_t len)
 {
   char *dest = destaddr;
+  char const *src = srcaddr;
 
   while (len-- > 0)
-    *destaddr++ = *srcaddr++;
-  return dest;
+    *dest++ = *src++;
+  return destaddr;
 }