root / prex-0.9.0 / usr / bin / mv / mv.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*
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2 | * Copyright (c) 2005-2006, Kohsuke Ohtani
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3 | * 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 author nor the names of any co-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 AUTHOR 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 AUTHOR 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/stat.h> |
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31 | |||
32 | #include <errno.h> |
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33 | #include <err.h> |
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34 | #include <string.h> |
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35 | #include <stdio.h> |
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36 | #include <limits.h> |
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37 | #include <stdlib.h> |
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38 | |||
39 | #ifdef CMDBOX
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40 | #define main(argc, argv) mv_main(argc, argv)
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41 | #endif
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42 | |||
43 | int
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44 | main(int argc, char *argv[]) |
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45 | { |
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46 | char path[PATH_MAX];
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47 | char *src, *dest, *p;
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48 | struct stat st1, st2;
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49 | int rc;
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50 | |||
51 | if (argc != 3) { |
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52 | fprintf(stderr, "usage: mv src dest\n");
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53 | exit(1);
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54 | } |
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55 | src = argv[1];
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56 | dest = argv[2];
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57 | |||
58 | /* Check if source exists and it's regular file. */
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59 | if (stat(src, &st1) < 0) |
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60 | err(1,"mv"); |
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61 | if (!S_ISREG(st1.st_mode)) {
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62 | fprintf(stderr, "mv: invalid file type\n");
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63 | exit(1);
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64 | } |
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65 | |||
66 | /* Check if target is a directory. */
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67 | rc = stat(dest, &st2); |
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68 | if (!rc && S_ISDIR(st2.st_mode)) {
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69 | p = strrchr(src, '/');
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70 | p = p ? p + 1 : src;
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71 | strlcpy(path, dest, sizeof(path));
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72 | if (strcmp(dest, "/")) |
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73 | strlcat(path, "/", sizeof(path)); |
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74 | strlcat(path, p, sizeof(path));
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75 | dest = path; |
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76 | } |
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77 | if (rename(src, dest) < 0) |
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78 | err(1,"rename"); |
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79 | return 0; |
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80 | } |