From: Sascha Wildner <saw@online.de>
Date: Tue, 19 Aug 2014 20:08:47 +0000 (+0200)
Subject: libc/valloc(): Use posix_memalign().
X-Git-Tag: v4.1.0~244
X-Git-Url: https://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/commitdiff_plain/e8c73df298554e0f4aa27f6ee8bca3533738ded0

libc/valloc(): Use posix_memalign().

Taken-from: FreeBSD
---

diff --git a/lib/libc/gen/valloc.c b/lib/libc/gen/valloc.c
index 3a780e13b5..b823f75ecf 100644
--- a/lib/libc/gen/valloc.c
+++ b/lib/libc/gen/valloc.c
@@ -10,10 +10,6 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -31,7 +27,7 @@
  * SUCH DAMAGE.
  *
  * @(#)valloc.c	8.1 (Berkeley) 6/4/93
- * $DragonFly: src/lib/libc/gen/valloc.c,v 1.3 2005/11/13 00:07:42 swildner Exp $
+ * $FreeBSD: head/lib/libc/gen/valloc.c 165903 2007-01-09 00:28:16Z imp $
  */
 
 #include <stdlib.h>
@@ -40,9 +36,10 @@
 void *
 valloc(size_t i)
 {
-	long valsiz = getpagesize(), j;
-	void *cp = malloc(i + (valsiz-1));
+	void	*ret;
 
-	j = ((long)cp + (valsiz-1)) &~ (valsiz-1);
-	return ((void *)j);
+	if (posix_memalign(&ret, getpagesize(), i) != 0)
+		ret = NULL;
+
+	return ret;
 }