CVS commit: src/lib/libc/stdlib

[Kamil Rytarowski]

Module Name:    src
Committed By:   kamil
Date:           Thu Jul 16 00:04:00 UTC 2015

Modified Files:
        src/lib/libc/stdlib: reallocarr.c

Log Message:
Reorder memcpy(3) and save errno

This chang is for safety as memcpy(3) might change it.

Approved by <riastradh>


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/lib/libc/stdlib/reallocarr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/lib/libc/stdlib/reallocarr.c
diff -u src/lib/libc/stdlib/reallocarr.c:1.1 src/lib/libc/stdlib/reallocarr.c:1.2
--- src/lib/libc/stdlib/reallocarr.c:1.1	Tue Feb 17 20:29:21 2015
+++ src/lib/libc/stdlib/reallocarr.c	Thu Jul 16 00:03:59 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: reallocarr.c,v 1.1 2015/02/17 20:29:21 joerg Exp $ */
+/* $NetBSD: reallocarr.c,v 1.2 2015/07/16 00:03:59 kamil Exp $ */
 
 /*-
  * Copyright (c) 2015 Joerg Sonnenberger <jo...@netbsd.org>.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: reallocarr.c,v 1.1 2015/02/17 20:29:21 joerg Exp $");
+__RCSID("$NetBSD: reallocarr.c,v 1.2 2015/07/16 00:03:59 kamil Exp $");
 
 #include "namespace.h"
 #include <errno.h>
@@ -55,8 +55,8 @@ reallocarr(void *ptr, size_t num, size_t
 	void *optr;
 	void *nptr;
 
-	memcpy(&optr, ptr, sizeof(ptr));
 	saved_errno = errno;
+	memcpy(&optr, ptr, sizeof(ptr));
 	if (num == 0 || size == 0) {
 		free(optr);
 		nptr = NULL;