summaryrefslogtreecommitdiff
path: root/libc
diff options
context:
space:
mode:
author"Steven J. Hill" <sjhill@realitydiluted.com>2002-09-04 14:17:22 +0000
committer"Steven J. Hill" <sjhill@realitydiluted.com>2002-09-04 14:17:22 +0000
commit4d810f5f42af19d7557af38f0ae02e70479ff0b6 (patch)
tree62af36954b9830f6c5f0a617021e56fa1f78989b /libc
parent45ebe900b7bd10783cd0a0b9320b9b4db722ad3d (diff)
Added 'valloc' back in. Ok, Erik can smack me now.
Diffstat (limited to 'libc')
-rw-r--r--libc/stdlib/malloc-930716/Makefile2
-rw-r--r--libc/stdlib/malloc-930716/valloc.c61
2 files changed, 62 insertions, 1 deletions
diff --git a/libc/stdlib/malloc-930716/Makefile b/libc/stdlib/malloc-930716/Makefile
index cc746707e..2e3ee21a7 100644
--- a/libc/stdlib/malloc-930716/Makefile
+++ b/libc/stdlib/malloc-930716/Makefile
@@ -25,7 +25,7 @@ TOPDIR=../../../
include $(TOPDIR)Rules.mak
# calloc.c can be found at uClibc/libc/stdlib/calloc.c
-CSRC=malloc.c
+CSRC=malloc.c valloc.c
COBJS=$(patsubst %.c,%.o, $(CSRC))
OBJS=$(COBJS)
diff --git a/libc/stdlib/malloc-930716/valloc.c b/libc/stdlib/malloc-930716/valloc.c
new file mode 100644
index 000000000..bfb9efd2a
--- /dev/null
+++ b/libc/stdlib/malloc-930716/valloc.c
@@ -0,0 +1,61 @@
+/* vi: set sw=4 ts=4: */
+/* Allocate memory on a page boundary.
+ Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+This library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.
+
+ The author may be reached (Email) at the address mike@@ai.mit.edu,
+ or (US mail) as Mike Haertel c/o Free Software Foundation. */
+
+#include <stdlib.h>
+#include "malloc.h"
+
+#ifdef emacs
+#include "config.h"
+#endif
+
+#ifdef __GNU_LIBRARY__
+extern size_t __getpagesize __P ((void));
+#else
+#ifndef USG
+extern size_t getpagesize __P ((void));
+#define __getpagesize() getpagesize()
+#else
+#include <sys/param.h>
+#ifdef EXEC_PAGESIZE
+#define __getpagesize() EXEC_PAGESIZE
+#else /* No EXEC_PAGESIZE. */
+#ifdef NBPG
+#ifndef CLSIZE
+#define CLSIZE 1
+#endif /* No CLSIZE. */
+#define __getpagesize() (NBPG * CLSIZE)
+#else /* No NBPG. */
+#define __getpagesize() NBPC
+#endif /* NBPG. */
+#endif /* EXEC_PAGESIZE. */
+#endif /* USG. */
+#endif
+
+static size_t pagesize;
+
+__ptr_t valloc (size_t size)
+{
+ if (pagesize == 0)
+ pagesize = __getpagesize ();
+
+ return memalign (pagesize, size);
+}