xref: /onnv-gate/usr/src/cmd/pagesize/pagesize.c (revision 308:17a40994fc66)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
23*308Srobbin  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
280Sstevel@tonic-gate /*	  All Rights Reserved	*/
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
310Sstevel@tonic-gate 
320Sstevel@tonic-gate #include <stdio.h>
330Sstevel@tonic-gate #include <locale.h>
340Sstevel@tonic-gate #include <stdlib.h>
350Sstevel@tonic-gate #include <unistd.h>
360Sstevel@tonic-gate #include <sys/mman.h>
370Sstevel@tonic-gate 
380Sstevel@tonic-gate int
main(int argc,char * argv[])39*308Srobbin main(int argc, char *argv[])
400Sstevel@tonic-gate {
410Sstevel@tonic-gate 
420Sstevel@tonic-gate 	int c, mps = 0;
430Sstevel@tonic-gate 	size_t *buf;
440Sstevel@tonic-gate 	int nelem, i;
450Sstevel@tonic-gate 
460Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
470Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
480Sstevel@tonic-gate #define	TEXT_DOMAIN "SYS_TEST"	/* Use this only if it weren't */
490Sstevel@tonic-gate #endif
500Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
510Sstevel@tonic-gate 
520Sstevel@tonic-gate 	while ((c = getopt(argc, (char * const *)argv, "a")) != -1) {
530Sstevel@tonic-gate 		switch (c) {
540Sstevel@tonic-gate 		case 'a':
550Sstevel@tonic-gate 			mps = 1;
560Sstevel@tonic-gate 			break;
570Sstevel@tonic-gate 		case '?':
580Sstevel@tonic-gate 			(void) fprintf(stderr,
590Sstevel@tonic-gate 					gettext("usage: pagesize [-a]\n"));
600Sstevel@tonic-gate 			exit(1);
610Sstevel@tonic-gate 		}
620Sstevel@tonic-gate 	}
630Sstevel@tonic-gate 
640Sstevel@tonic-gate 	if (!mps) {
650Sstevel@tonic-gate 		(void) printf("%d\n", getpagesize());
660Sstevel@tonic-gate 		exit(0);
670Sstevel@tonic-gate 	}
680Sstevel@tonic-gate 
690Sstevel@tonic-gate 	nelem = getpagesizes(NULL, 0);
700Sstevel@tonic-gate 	if (nelem < 2) {
710Sstevel@tonic-gate 		(void) printf("%d\n", getpagesize());
720Sstevel@tonic-gate 		exit(0);
730Sstevel@tonic-gate 	}
740Sstevel@tonic-gate 
750Sstevel@tonic-gate 	if ((buf = (size_t *)malloc(sizeof (*buf) * nelem)) == NULL) {
760Sstevel@tonic-gate 		(void) fprintf(stderr, gettext("Can't get memory\n"));
770Sstevel@tonic-gate 		exit(1);
780Sstevel@tonic-gate 	}
790Sstevel@tonic-gate 
800Sstevel@tonic-gate 	nelem = getpagesizes(buf, nelem);
810Sstevel@tonic-gate 	for (i = 0; i < nelem; i++) {
820Sstevel@tonic-gate 		(void) fprintf(stdout, "%d\n", buf[i]);
830Sstevel@tonic-gate 	}
840Sstevel@tonic-gate 	free(buf);
850Sstevel@tonic-gate 	return (0);
860Sstevel@tonic-gate }
87