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10076 make usr/src/test smatch clean
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--- old/usr/src/test/zfs-tests/cmd/randfree_file/randfree_file.c
+++ new/usr/src/test/zfs-tests/cmd/randfree_file/randfree_file.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
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21 21
22 22 /*
23 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 /*
28 28 * Copyright (c) 2012 by Delphix. All rights reserved.
29 29 */
30 30
31 +/*
32 + * Copyright (c) 2018, Joyent, Inc.
33 + */
34 +
31 35 #include "../file_common.h"
32 36
33 37 /*
34 38 * Create a file with assigned size and then free the specified
35 39 * section of the file
36 40 */
37 41
38 42 static void usage(char *progname);
39 43
40 44 static void
41 45 usage(char *progname)
42 46 {
43 47 (void) fprintf(stderr,
44 48 "usage: %s [-l filesize] [-s start-offset]"
45 49 "[-n section-len] filename\n", progname);
46 50 exit(1);
47 51 }
48 52
49 53 int
50 54 main(int argc, char *argv[])
51 55 {
52 56 char *filename = NULL;
53 57 char *buf;
54 58 size_t filesize = 0;
55 59 off_t start_off = 0;
56 60 off_t off_len = 0;
57 61 int fd, ch;
58 62 struct flock fl;
59 63 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
60 64
61 65 while ((ch = getopt(argc, argv, "l:s:n:")) != EOF) {
62 66 switch (ch) {
63 67 case 'l':
64 68 filesize = atoll(optarg);
65 69 break;
66 70 case 's':
67 71 start_off = atoll(optarg);
68 72 break;
69 73 case 'n':
70 74 off_len = atoll(optarg);
71 75 break;
72 76 default:
73 77 usage(argv[0]);
74 78 break;
75 79 }
76 80 }
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77 81
78 82 if (optind == argc - 1)
79 83 filename = argv[optind];
80 84 else
81 85 usage(argv[0]);
82 86
83 87 buf = (char *)malloc(filesize);
84 88
85 89 if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, mode)) < 0) {
86 90 perror("open");
91 + free(buf);
87 92 return (1);
88 93 }
89 94 if (write(fd, buf, filesize) < filesize) {
90 95 perror("write");
96 + free(buf);
91 97 return (1);
92 98 }
93 99 fl.l_whence = SEEK_SET;
94 100 fl.l_start = start_off;
95 101 fl.l_len = off_len;
96 102 if (fcntl(fd, F_FREESP, &fl) != 0) {
97 103 perror("fcntl");
104 + free(buf);
98 105 return (1);
99 106 }
100 107
101 108 free(buf);
102 109 return (0);
103 110 }
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