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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 | 40 | ||
41 | #include "config.h" |
41 | #include "config.h" |
42 | #include "errors.h" |
42 | #include "errors.h" |
43 | #include "util.h" |
43 | #include "util.h" |
44 | #include "entry.h" |
44 | #include "entry.h" |
45 | #include "touch.h" |
45 | #include "touch.h" |
46 | #include "cmds.h" |
46 | #include "cmds.h" |
47 | 47 | ||
48 | static char *cmdname = "touch"; |
48 | static char *cmdname = "touch"; |
49 | 49 | ||
50 | /* Dispays help for touch in various levels */ |
50 | /* Dispays help for touch in various levels */ |
51 | void * help_cmd_touch(unsigned int level) |
51 | void * help_cmd_touch(unsigned int level) |
52 | { |
52 | { |
53 | if (level == HELP_SHORT) { |
53 | if (level == HELP_SHORT) { |
54 | printf("`%s' updates access times for files\n", cmdname); |
54 | printf("`%s' updates access times for files\n", cmdname); |
55 | } else { |
55 | } else { |
56 | help_cmd_touch(HELP_SHORT); |
56 | help_cmd_touch(HELP_SHORT); |
57 | printf(" `%s' <file>, if the file does not exist it will be " |
57 | printf(" `%s' <file>, if the file does not exist it will be " |
58 | "created\n", cmdname); |
58 | "created\n", cmdname); |
59 | } |
59 | } |
60 | 60 | ||
61 | return CMD_VOID; |
61 | return CMD_VOID; |
62 | } |
62 | } |
63 | 63 | ||
64 | /* Main entry point for touch, accepts an array of arguments */ |
64 | /* Main entry point for touch, accepts an array of arguments */ |
65 | int * cmd_touch(char **argv) |
65 | int * cmd_touch(char **argv) |
66 | { |
66 | { |
67 | unsigned int argc, i = 0, ret = 0; |
67 | unsigned int argc, i = 0, ret = 0; |
68 | int fd; |
68 | int fd; |
69 | char *buff = NULL; |
69 | char *buff = NULL; |
70 | 70 | ||
71 | DIR *dirp; |
71 | DIR *dirp; |
72 | 72 | ||
73 | argc = cli_count_args(argv); |
73 | argc = cli_count_args(argv); |
74 | 74 | ||
75 | if (argc == 1) { |
75 | if (argc == 1) { |
76 | printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
76 | printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
77 | cmdname, cmdname); |
77 | cmdname, cmdname); |
78 | return CMD_FAILURE; |
78 | return CMD_FAILURE; |
79 | } |
79 | } |
80 | 80 | ||
81 | for (i = 1; i < argc; i ++) { |
81 | for (i = 1; i < argc; i ++) { |
82 | buff = cli_strdup(argv[i]); |
82 | buff = cli_strdup(argv[i]); |
83 | dirp = opendir(buff); |
83 | dirp = opendir(buff); |
84 | if (dirp) { |
84 | if (dirp) { |
85 | cli_error(CL_ENOTSUP, "%s is a directory", buff); |
85 | cli_error(CL_ENOTSUP, "%s is a directory", buff); |
86 | closedir(dirp); |
86 | closedir(dirp); |
87 | ret ++; |
87 | ret ++; |
88 | continue; |
88 | continue; |
89 | } |
89 | } |
90 | 90 | ||
91 | fd = open(buff, O_RDWR | O_CREAT); |
91 | fd = open(buff, O_RDWR | O_CREAT); |
92 | if (fd < 0) { |
92 | if (fd < 0) { |
93 | cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
93 | cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
94 | ret ++; |
94 | ret ++; |
95 | continue; |
95 | continue; |
96 | } else |
96 | } else |
97 | close(fd); |
97 | close(fd); |
98 | 98 | ||
99 | free(buff); |
99 | free(buff); |
100 | } |
100 | } |
101 | 101 | ||
102 | if (ret) |
102 | if (ret) |
103 | return CMD_FAILURE; |
103 | return CMD_FAILURE; |
104 | else |
104 | else |
105 | return CMD_SUCCESS; |
105 | return CMD_SUCCESS; |
106 | } |
106 | } |
107 | 107 | ||
108 | 108 |