add directory gnu

gnu/glibc/glibc-1.03/malloc/valloc.c

@@ -0,0 +1,58 @@
+/* Allocate memory on a page boundary.
+   Copyright (C) 1991 Free Software Foundation, Inc.
+
+The GNU C 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.
+
+The GNU C 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 the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* IGNORE(@ */
+#include <ansidecl.h>
+#include <stdlib.h>
+/* @) */
+
+#include <malloc.h>
+
+#ifdef	__GNU_LIBRARY__
+extern size_t EXFUN(__getpagesize, (NOARGS));
+#else
+#ifndef	USG
+extern size_t EXFUN(getpagesize, (NOARGS));
+#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
+DEFUN(valloc, (size), size_t size)
+{
+  if (pagesize == 0)
+    pagesize = __getpagesize();
+
+  return memalign (pagesize, size);
+}