1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #if defined(LIBC_SCCS) && !defined(lint) 19 static char sccsid[] = "@(#)valloc.c 5.3 (Berkeley) 08/03/88"; 20 #endif /* LIBC_SCCS and not lint */ 21 22 char *malloc(); 23 24 char * 25 valloc(i) 26 int i; 27 { 28 int valsiz = getpagesize(), j; 29 char *cp = malloc(i + (valsiz-1)); 30 31 j = ((int)cp + (valsiz-1)) &~ (valsiz-1); 32 return ((char *)j); 33 } 34