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428
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1 /*
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not really in FSF. */
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22
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440
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23 #ifndef INCLUDED_sysdir_h_
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24 #define INCLUDED_sysdir_h_
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25
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428
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26 #ifdef HAVE_UNISTD_H
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27 #include <unistd.h>
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28 #endif
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29
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30 #ifdef SYSV_SYSTEM_DIR
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31 # include <dirent.h>
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432
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32 #elif defined (NONSYSTEM_DIR_LIBRARY)
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428
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33 # include "ndir.h"
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34 #elif defined (MSDOS)
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35 # include <dirent.h>
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36 #else
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37 # include <sys/dir.h>
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38 #endif /* not NONSYSTEM_DIR_LIBRARY */
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39
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40 #ifdef SYSV_SYSTEM_DIR
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41 # define DIRENTRY struct dirent
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42 #else /* not SYSV_SYSTEM_DIR */
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43 # define DIRENTRY struct direct
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44 #endif
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45
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46 /* The d_nameln member of a struct dirent includes the '\0' character
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47 on some systems, but not on others. What's worse, you can't tell
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48 at compile-time which one it will be, since it really depends on
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49 the sort of system providing the filesystem you're reading from,
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50 not the system you are running on. Paul Eggert
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51 <eggert@bi.twinsun.com> says this occurs when Emacs is running on a
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52 SunOS 4.1.2 host, reading a directory that is remote-mounted from a
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53 Solaris 2.1 host and is in a native Solaris 2.1 filesystem.
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54
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55 (and Solaris 2 doesn't have a d_nameln member at all! Posix.1
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56 doesn't specify it -- mrb)
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57
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58 Since applying strlen to the name always works, we'll just do that. */
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59 #define NAMLEN(p) strlen (p->d_name)
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60
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61 #ifdef MSDOS
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62 #define DIRENTRY_NONEMPTY(p) ((p)->d_name[0] != 0)
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63 #else
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64 #define DIRENTRY_NONEMPTY(p) ((p)->d_ino)
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65 #endif
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66
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67 /* encapsulation: directory calls */
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68
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69 #ifdef ENCAPSULATE_CHDIR
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70 int sys_chdir (CONST char *path);
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71 #endif
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72 #if defined (ENCAPSULATE_CHDIR) && !defined (DONT_ENCAPSULATE)
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73 # undef chdir
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74 # define chdir sys_chdir
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75 #endif
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76 #if !defined (ENCAPSULATE_CHDIR) && defined (DONT_ENCAPSULATE)
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77 # define sys_chdir chdir
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78 #endif
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79
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80 #ifdef ENCAPSULATE_MKDIR
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81 int sys_mkdir (CONST char *path, mode_t mode);
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82 #endif
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83 #if defined (ENCAPSULATE_MKDIR) && !defined (DONT_ENCAPSULATE)
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84 # undef mkdir
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85 # define mkdir sys_mkdir
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86 #endif
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87 #if !defined (ENCAPSULATE_MKDIR) && defined (DONT_ENCAPSULATE)
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88 # define sys_mkdir mkdir
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89 #endif
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90
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91 #ifdef ENCAPSULATE_OPENDIR
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92 DIR *sys_opendir (CONST char *filename);
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93 #endif
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94 #if defined (ENCAPSULATE_OPENDIR) && !defined (DONT_ENCAPSULATE)
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95 # undef opendir
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96 # define opendir sys_opendir
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97 #endif
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98 #if !defined (ENCAPSULATE_OPENDIR) && defined (DONT_ENCAPSULATE)
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99 # define sys_opendir opendir
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100 #endif
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101
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102 #ifdef ENCAPSULATE_READDIR
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103 DIRENTRY *sys_readdir (DIR *dirp);
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104 #endif
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105 #if defined (ENCAPSULATE_READDIR) && !defined (DONT_ENCAPSULATE)
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106 # undef readdir
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107 # define readdir sys_readdir
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108 #endif
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109 #if !defined (ENCAPSULATE_READDIR) && defined (DONT_ENCAPSULATE)
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110 # define sys_readdir readdir
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111 #endif
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112
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113 #ifdef ENCAPSULATE_CLOSEDIR
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114 int sys_closedir (DIR *dirp);
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115 #endif
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116 #if defined (ENCAPSULATE_CLOSEDIR) && !defined (DONT_ENCAPSULATE)
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117 # undef closedir
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118 # define closedir sys_closedir
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119 #endif
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120 #if !defined (ENCAPSULATE_CLOSEDIR) && defined (DONT_ENCAPSULATE)
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121 # define sys_closedir closedir
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122 #endif
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123
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124 #ifdef ENCAPSULATE_RMDIR
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125 int sys_rmdir (CONST char *path);
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126 #endif
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127 #if defined (ENCAPSULATE_RMDIR) && !defined (DONT_ENCAPSULATE)
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128 # undef rmdir
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129 # define rmdir sys_rmdir
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130 #endif
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131 #if !defined (ENCAPSULATE_RMDIR) && defined (DONT_ENCAPSULATE)
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132 # define sys_rmdir rmdir
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133 #endif
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134
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440
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135 #endif /* INCLUDED_sysdir_h_ */
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