Browse Source

Added 'valloc' back in. Ok, Erik can smack me now.

"Steven J. Hill" 23 years ago
parent
commit
4d810f5f42
2 changed files with 62 additions and 1 deletions
  1. 1 1
      libc/stdlib/malloc-930716/Makefile
  2. 61 0
      libc/stdlib/malloc-930716/valloc.c

+ 1 - 1
libc/stdlib/malloc-930716/Makefile

@@ -25,7 +25,7 @@ TOPDIR=../../../
 include $(TOPDIR)Rules.mak
 include $(TOPDIR)Rules.mak
 
 
 # calloc.c can be found at uClibc/libc/stdlib/calloc.c 
 # calloc.c can be found at uClibc/libc/stdlib/calloc.c 
-CSRC=malloc.c
+CSRC=malloc.c valloc.c
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(COBJS)
 OBJS=$(COBJS)
 
 

+ 61 - 0
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);
+}