1*2fae26bdSAlan Somers /*
2*2fae26bdSAlan Somers * CDDL HEADER START
3*2fae26bdSAlan Somers *
4*2fae26bdSAlan Somers * The contents of this file are subject to the terms of the
5*2fae26bdSAlan Somers * Common Development and Distribution License (the "License").
6*2fae26bdSAlan Somers * You may not use this file except in compliance with the License.
7*2fae26bdSAlan Somers *
8*2fae26bdSAlan Somers * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*2fae26bdSAlan Somers * or http://www.opensolaris.org/os/licensing.
10*2fae26bdSAlan Somers * See the License for the specific language governing permissions
11*2fae26bdSAlan Somers * and limitations under the License.
12*2fae26bdSAlan Somers *
13*2fae26bdSAlan Somers * When distributing Covered Code, include this CDDL HEADER in each
14*2fae26bdSAlan Somers * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*2fae26bdSAlan Somers * If applicable, add the following below this CDDL HEADER, with the
16*2fae26bdSAlan Somers * fields enclosed by brackets "[]" replaced with your own identifying
17*2fae26bdSAlan Somers * information: Portions Copyright [yyyy] [name of copyright owner]
18*2fae26bdSAlan Somers *
19*2fae26bdSAlan Somers * CDDL HEADER END
20*2fae26bdSAlan Somers */
21*2fae26bdSAlan Somers
22*2fae26bdSAlan Somers /*
23*2fae26bdSAlan Somers * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24*2fae26bdSAlan Somers * Use is subject to license terms.
25*2fae26bdSAlan Somers */
26*2fae26bdSAlan Somers
27*2fae26bdSAlan Somers
28*2fae26bdSAlan Somers #include "file_common.h"
29*2fae26bdSAlan Somers
30*2fae26bdSAlan Somers static unsigned char bigbuffer[BIGBUFFERSIZE];
31*2fae26bdSAlan Somers
32*2fae26bdSAlan Somers /*
33*2fae26bdSAlan Somers * Given a filename, check that the file consists entirely
34*2fae26bdSAlan Somers * of a particular pattern. If the pattern is not specified a
35*2fae26bdSAlan Somers * default will be used. For default values see file_common.h
36*2fae26bdSAlan Somers */
37*2fae26bdSAlan Somers int
main(int argc,char ** argv)38*2fae26bdSAlan Somers main(int argc, char **argv)
39*2fae26bdSAlan Somers {
40*2fae26bdSAlan Somers int bigfd;
41*2fae26bdSAlan Somers long i, n;
42*2fae26bdSAlan Somers uint8_t fillchar = DATA;
43*2fae26bdSAlan Somers int bigbuffersize = BIGBUFFERSIZE;
44*2fae26bdSAlan Somers int64_t read_count = 0;
45*2fae26bdSAlan Somers
46*2fae26bdSAlan Somers /*
47*2fae26bdSAlan Somers * Validate arguments
48*2fae26bdSAlan Somers */
49*2fae26bdSAlan Somers if (argc < 2) {
50*2fae26bdSAlan Somers (void) printf("Usage: %s filename [pattern]\n",
51*2fae26bdSAlan Somers argv[0]);
52*2fae26bdSAlan Somers exit(1);
53*2fae26bdSAlan Somers }
54*2fae26bdSAlan Somers
55*2fae26bdSAlan Somers if (argv[2]) {
56*2fae26bdSAlan Somers fillchar = atoi(argv[2]);
57*2fae26bdSAlan Somers }
58*2fae26bdSAlan Somers
59*2fae26bdSAlan Somers /*
60*2fae26bdSAlan Somers * Read the file contents and check every character
61*2fae26bdSAlan Somers * against the supplied pattern. Abort if the
62*2fae26bdSAlan Somers * pattern check fails.
63*2fae26bdSAlan Somers */
64*2fae26bdSAlan Somers if ((bigfd = open(argv[1], O_RDONLY)) == -1) {
65*2fae26bdSAlan Somers (void) printf("open %s failed %d\n", argv[1], errno);
66*2fae26bdSAlan Somers exit(1);
67*2fae26bdSAlan Somers }
68*2fae26bdSAlan Somers
69*2fae26bdSAlan Somers do {
70*2fae26bdSAlan Somers if ((n = read(bigfd, &bigbuffer, bigbuffersize)) == -1) {
71*2fae26bdSAlan Somers (void) printf("read failed (%ld), %d\n", n, errno);
72*2fae26bdSAlan Somers exit(errno);
73*2fae26bdSAlan Somers }
74*2fae26bdSAlan Somers
75*2fae26bdSAlan Somers for (i = 0; i < n; i++) {
76*2fae26bdSAlan Somers if (bigbuffer[i] != fillchar) {
77*2fae26bdSAlan Somers (void) printf("error %s: 0x%x != 0x%x)\n",
78*2fae26bdSAlan Somers argv[1], bigbuffer[i], fillchar);
79*2fae26bdSAlan Somers exit(1);
80*2fae26bdSAlan Somers }
81*2fae26bdSAlan Somers }
82*2fae26bdSAlan Somers
83*2fae26bdSAlan Somers read_count += n;
84*2fae26bdSAlan Somers } while (n == bigbuffersize);
85*2fae26bdSAlan Somers
86*2fae26bdSAlan Somers return (0);
87*2fae26bdSAlan Somers }
88