Rev 3413 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 3295 | post | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
| 2 | * All rights reserved. |
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| 3277 | post | 3 | * |
| 3295 | post | 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
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| 6 | * |
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| 7 | * Redistributions of source code must retain the above copyright notice, this |
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| 8 | * list of conditions and the following disclaimer. |
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| 9 | * |
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| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
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| 11 | * this list of conditions and the following disclaimer in the documentation |
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| 12 | * and/or other materials provided with the distribution. |
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| 13 | * |
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| 14 | * Neither the name of the original program's authors nor the names of its |
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| 15 | * contributors may be used to endorse or promote products derived from this |
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| 16 | * software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 28 | * POSSIBILITY OF SUCH DAMAGE. |
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| 29 | */ |
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| 3277 | post | 30 | |
| 3295 | post | 31 | /* TODO: Options that people would expect, such as not creating the file if |
| 32 | * it doesn't exist, specifying the access time, etc */ |
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| 33 | |||
| 3277 | post | 34 | #include <stdio.h> |
| 35 | #include <stdlib.h> |
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| 3295 | post | 36 | #include <unistd.h> |
| 37 | #include <fcntl.h> |
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| 38 | #include <dirent.h> |
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| 39 | #include <sys/types.h> |
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| 3813 | post | 40 | #include <string.h> |
| 3295 | post | 41 | |
| 42 | #include "config.h" |
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| 43 | #include "errors.h" |
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| 44 | #include "util.h" |
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| 3277 | post | 45 | #include "entry.h" |
| 46 | #include "touch.h" |
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| 47 | #include "cmds.h" |
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| 48 | |||
| 49 | static char *cmdname = "touch"; |
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| 50 | |||
| 51 | /* Dispays help for touch in various levels */ |
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| 3413 | post | 52 | void help_cmd_touch(unsigned int level) |
| 3277 | post | 53 | { |
| 3295 | post | 54 | if (level == HELP_SHORT) { |
| 55 | printf("`%s' updates access times for files\n", cmdname); |
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| 56 | } else { |
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| 57 | help_cmd_touch(HELP_SHORT); |
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| 58 | printf(" `%s' <file>, if the file does not exist it will be " |
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| 59 | "created\n", cmdname); |
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| 60 | } |
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| 61 | |||
| 3413 | post | 62 | return; |
| 3277 | post | 63 | } |
| 64 | |||
| 65 | /* Main entry point for touch, accepts an array of arguments */ |
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| 3413 | post | 66 | int cmd_touch(char **argv) |
| 3277 | post | 67 | { |
| 3297 | post | 68 | unsigned int argc, i = 0, ret = 0; |
| 3295 | post | 69 | int fd; |
| 70 | char *buff = NULL; |
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| 3277 | post | 71 | |
| 3295 | post | 72 | DIR *dirp; |
| 73 | |||
| 3376 | post | 74 | argc = cli_count_args(argv); |
| 3277 | post | 75 | |
| 3297 | post | 76 | if (argc == 1) { |
| 3295 | post | 77 | printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
| 78 | cmdname, cmdname); |
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| 79 | return CMD_FAILURE; |
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| 80 | } |
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| 3277 | post | 81 | |
| 3297 | post | 82 | for (i = 1; i < argc; i ++) { |
| 3813 | post | 83 | buff = strdup(argv[i]); |
| 3297 | post | 84 | dirp = opendir(buff); |
| 85 | if (dirp) { |
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| 86 | cli_error(CL_ENOTSUP, "%s is a directory", buff); |
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| 87 | closedir(dirp); |
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| 88 | ret ++; |
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| 89 | continue; |
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| 90 | } |
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| 91 | |||
| 92 | fd = open(buff, O_RDWR | O_CREAT); |
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| 93 | if (fd < 0) { |
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| 94 | cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
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| 95 | ret ++; |
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| 96 | continue; |
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| 97 | } else |
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| 98 | close(fd); |
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| 99 | |||
| 3295 | post | 100 | free(buff); |
| 3277 | post | 101 | } |
| 102 | |||
| 3297 | post | 103 | if (ret) |
| 3295 | post | 104 | return CMD_FAILURE; |
| 3297 | post | 105 | else |
| 106 | return CMD_SUCCESS; |
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| 3277 | post | 107 | } |
| 108 |