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1 /* rmdir.c -- BSD compatible remove directory function for System V |
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2 Copyright (C) 1988, 1990 Free Software Foundation, Inc. |
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3 |
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4 This program is free software; you can redistribute it and/or modify |
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5 it under the terms of the GNU General Public License as published by |
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6 the Free Software Foundation; either version 2 of the License, or |
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7 (at your option) any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU General Public License |
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15 along with this program; if not, write to the Free Software |
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16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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17 02110-1301 USA. */ |
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18 |
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19 #ifdef HAVE_CONFIG_H |
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20 #include <config.h> |
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21 #endif |
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22 |
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23 #ifndef HAVE_RMDIR |
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24 |
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25 #ifdef HAVE_SYS_TYPES_H |
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26 #include <sys/types.h> |
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27 #endif |
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28 #include <sys/stat.h> |
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29 |
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30 #include <errno.h> |
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31 #ifndef errno |
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32 extern int errno; |
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33 #endif |
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34 |
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35 #ifdef STAT_MACROS_BROKEN |
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36 #undef S_ISDIR |
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37 #endif |
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38 |
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39 #if !defined(S_ISDIR) && defined(S_IFDIR) |
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40 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) |
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41 #endif |
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42 |
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43 #include "safe-stat.h" |
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44 |
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45 /* rmdir adapted from GNU tar. */ |
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46 |
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47 /* Remove directory DPATH. |
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48 Return 0 if successful, -1 if not. */ |
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49 |
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50 int |
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51 rmdir (dpath) |
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52 char *dpath; |
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53 { |
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54 int cpid, status; |
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55 struct stat statbuf; |
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56 |
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57 if (SAFE_STAT (dpath, &statbuf) != 0) |
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58 return -1; /* errno already set */ |
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59 |
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60 if (!S_ISDIR (statbuf.st_mode)) |
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61 { |
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62 errno = ENOTDIR; |
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63 return -1; |
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64 } |
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65 |
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66 cpid = fork (); |
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67 switch (cpid) |
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68 { |
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69 case -1: /* cannot fork */ |
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70 return -1; /* errno already set */ |
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71 |
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72 case 0: /* child process */ |
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73 execl ("/bin/rmdir", "rmdir", dpath, (char *) 0); |
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74 _exit (1); |
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75 |
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76 default: /* parent process */ |
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77 |
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78 /* Wait for kid to finish. */ |
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79 |
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80 while (wait (&status) != cpid) |
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81 /* Do nothing. */ ; |
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82 |
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83 if (status & 0xFFFF) |
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84 { |
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85 |
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86 /* /bin/rmdir failed. */ |
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87 |
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88 errno = EIO; |
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89 return -1; |
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90 } |
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91 return 0; |
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92 } |
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93 } |
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94 |
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95 #endif |
