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1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
2 | * All rights reserved. |
2 | * All rights reserved. |
3 | * |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
6 | * |
7 | * Redistributions of source code must retain the above copyright notice, this |
7 | * Redistributions of source code must retain the above copyright notice, this |
8 | * list of conditions and the following disclaimer. |
8 | * list of conditions and the following disclaimer. |
9 | * |
9 | * |
10 | * Redistributions in binary form must reproduce the above copyright notice, |
10 | * Redistributions in binary form must reproduce the above copyright notice, |
11 | * this list of conditions and the following disclaimer in the documentation |
11 | * this list of conditions and the following disclaimer in the documentation |
12 | * and/or other materials provided with the distribution. |
12 | * and/or other materials provided with the distribution. |
13 | * |
13 | * |
14 | * Neither the name of the original program's authors nor the names of its |
14 | * Neither the name of the original program's authors nor the names of its |
15 | * contributors may be used to endorse or promote products derived from this |
15 | * contributors may be used to endorse or promote products derived from this |
16 | * software without specific prior written permission. |
16 | * software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
28 | * POSSIBILITY OF SUCH DAMAGE. |
28 | * POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
29 | */ |
30 | 30 | ||
31 | /* TODO: Options that people would expect, such as not creating the file if |
31 | /* TODO: Options that people would expect, such as not creating the file if |
32 | * it doesn't exist, specifying the access time, etc */ |
32 | * it doesn't exist, specifying the access time, etc */ |
33 | 33 | ||
34 | #include <stdio.h> |
34 | #include <stdio.h> |
35 | #include <stdlib.h> |
35 | #include <stdlib.h> |
36 | #include <unistd.h> |
36 | #include <unistd.h> |
37 | #include <fcntl.h> |
37 | #include <fcntl.h> |
38 | #include <dirent.h> |
38 | #include <dirent.h> |
39 | #include <sys/types.h> |
39 | #include <sys/types.h> |
40 | #include <string.h> |
40 | #include <string.h> |
41 | 41 | ||
42 | #include "config.h" |
42 | #include "config.h" |
43 | #include "errors.h" |
43 | #include "errors.h" |
44 | #include "util.h" |
44 | #include "util.h" |
45 | #include "entry.h" |
45 | #include "entry.h" |
46 | #include "touch.h" |
46 | #include "touch.h" |
47 | #include "cmds.h" |
47 | #include "cmds.h" |
48 | 48 | ||
49 | static char *cmdname = "touch"; |
49 | static char *cmdname = "touch"; |
50 | 50 | ||
51 | /* Dispays help for touch in various levels */ |
51 | /* Dispays help for touch in various levels */ |
52 | void help_cmd_touch(unsigned int level) |
52 | void help_cmd_touch(unsigned int level) |
53 | { |
53 | { |
54 | if (level == HELP_SHORT) { |
54 | if (level == HELP_SHORT) { |
55 | printf("`%s' updates access times for files\n", cmdname); |
55 | printf("`%s' updates access times for files\n", cmdname); |
56 | } else { |
56 | } else { |
57 | help_cmd_touch(HELP_SHORT); |
57 | help_cmd_touch(HELP_SHORT); |
58 | printf(" `%s' <file>, if the file does not exist it will be " |
58 | printf(" `%s' <file>, if the file does not exist it will be " |
59 | "created\n", cmdname); |
59 | "created\n", cmdname); |
60 | } |
60 | } |
61 | 61 | ||
62 | return; |
62 | return; |
63 | } |
63 | } |
64 | 64 | ||
65 | /* Main entry point for touch, accepts an array of arguments */ |
65 | /* Main entry point for touch, accepts an array of arguments */ |
66 | int cmd_touch(char **argv) |
66 | int cmd_touch(char **argv) |
67 | { |
67 | { |
68 | unsigned int argc, i = 0, ret = 0; |
68 | unsigned int argc, i = 0, ret = 0; |
69 | int fd; |
69 | int fd; |
70 | char *buff = NULL; |
70 | char *buff = NULL; |
71 | 71 | ||
72 | DIR *dirp; |
72 | DIR *dirp; |
73 | 73 | ||
74 | argc = cli_count_args(argv); |
74 | argc = cli_count_args(argv); |
75 | 75 | ||
76 | if (argc == 1) { |
76 | if (argc == 1) { |
77 | printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
77 | printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
78 | cmdname, cmdname); |
78 | cmdname, cmdname); |
79 | return CMD_FAILURE; |
79 | return CMD_FAILURE; |
80 | } |
80 | } |
81 | 81 | ||
82 | for (i = 1; i < argc; i ++) { |
82 | for (i = 1; i < argc; i ++) { |
83 | buff = strdup(argv[i]); |
83 | buff = strdup(argv[i]); |
84 | dirp = opendir(buff); |
84 | dirp = opendir(buff); |
85 | if (dirp) { |
85 | if (dirp) { |
86 | cli_error(CL_ENOTSUP, "%s is a directory", buff); |
86 | cli_error(CL_ENOTSUP, "%s is a directory", buff); |
87 | closedir(dirp); |
87 | closedir(dirp); |
88 | ret ++; |
88 | ret ++; |
89 | continue; |
89 | continue; |
90 | } |
90 | } |
91 | 91 | ||
92 | fd = open(buff, O_RDWR | O_CREAT); |
92 | fd = open(buff, O_RDWR | O_CREAT); |
93 | if (fd < 0) { |
93 | if (fd < 0) { |
94 | cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
94 | cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
95 | ret ++; |
95 | ret ++; |
96 | continue; |
96 | continue; |
97 | } else |
97 | } else |
98 | close(fd); |
98 | close(fd); |
99 | 99 | ||
100 | free(buff); |
100 | free(buff); |
101 | } |
101 | } |
102 | 102 | ||
103 | if (ret) |
103 | if (ret) |
104 | return CMD_FAILURE; |
104 | return CMD_FAILURE; |
105 | else |
105 | else |
106 | return CMD_SUCCESS; |
106 | return CMD_SUCCESS; |
107 | } |
107 | } |
108 | 108 | ||
109 | 109 |