xref: /original-bsd/lib/libc/gen/valloc.c (revision c3e32dec)
1 /*
2  * Copyright (c) 1980, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)valloc.c	8.1 (Berkeley) 06/04/93";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <stdlib.h>
13 #include <unistd.h>
14 
15 void *
16 valloc(i)
17 	size_t i;
18 {
19 	int valsiz = getpagesize(), j;
20 	void *cp = malloc(i + (valsiz-1));
21 
22 	j = ((int)cp + (valsiz-1)) &~ (valsiz-1);
23 	return ((void *)j);
24 }
25