root / prex-0.9.0 / usr / bin / mkdir / mkdir.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 1983, 1992, 1993
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3 | * The Regents of the University of California. All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the University nor the names of its contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | #include <sys/mount.h> |
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31 | |||
32 | #include <unistd.h> |
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33 | #include <err.h> |
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34 | #include <stdlib.h> |
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35 | #include <stdio.h> |
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36 | #include <errno.h> |
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37 | |||
38 | #ifdef CMDBOX
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39 | #define main(argc, argv) mkdir_main(argc, argv)
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40 | #endif
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41 | |||
42 | static int build(char *); |
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43 | static void usage(void); |
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44 | |||
45 | int
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46 | main(int argc, char *argv[]) |
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47 | { |
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48 | int ch, exitval, pflag;
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49 | |||
50 | pflag = 0;
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51 | while ((ch = getopt(argc, argv, "p")) != EOF) |
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52 | switch(ch) {
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53 | case 'p': |
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54 | pflag = 1;
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55 | break;
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56 | case '?': |
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57 | default:
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58 | usage(); |
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59 | } |
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60 | argc -= optind; |
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61 | argv += optind; |
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62 | |||
63 | if (argv[0] == NULL) |
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64 | usage(); |
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65 | |||
66 | for (exitval = 0; *argv != NULL; ++argv) { |
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67 | if (pflag && build(*argv)) {
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68 | exitval = 1;
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69 | continue;
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70 | } |
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71 | if (mkdir(*argv,
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72 | (mode_t)(S_IRWXU | S_IRWXG | S_IRWXO)) < 0) {
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73 | warn("%s", *argv);
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74 | exitval = 1;
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75 | } |
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76 | } |
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77 | exit(exitval); |
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78 | /* NOTREACHED */
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79 | } |
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80 | |||
81 | static int |
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82 | build(path) |
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83 | char *path;
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84 | { |
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85 | struct stat sb;
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86 | char *p;
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87 | |||
88 | p = path; |
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89 | if (p[0] == '/') /* Skip leading '/'. */ |
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90 | ++p; |
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91 | for (;; ++p) {
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92 | if (p[0] == '\0' || (p[0] == '/' && p[1] == '\0')) |
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93 | break;
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94 | if (p[0] != '/') |
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95 | continue;
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96 | *p = '\0';
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97 | if (stat(path, &sb)) {
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98 | if (errno != ENOENT ||
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99 | mkdir(path, (mode_t)(S_IRWXU | S_IRWXG | S_IRWXO)) < 0) {
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100 | warn("%s", path);
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101 | return 1; |
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102 | } |
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103 | } |
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104 | *p = '/';
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105 | } |
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106 | return 0; |
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107 | } |
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108 | |||
109 | static void |
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110 | usage() |
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111 | { |
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112 | (void)fprintf(stderr, "usage: mkdir [-p] directory ...\n"); |
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113 | exit (1);
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114 | } |