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1 /* libExt+gcc: $Id: fts.h,v 1.3 2000/08/22 22:20:23 amai Exp $ */ |
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2 |
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3 /* |
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4 * Copyright (c) 1989, 1993 |
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5 * The Regents of the University of California. All rights reserved. |
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6 * |
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7 * Redistribution and use in source and binary forms, with or without |
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8 * modification, are permitted provided that the following conditions |
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9 * are met: |
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10 * 1. Redistributions of source code must retain the above copyright |
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11 * notice, this list of conditions and the following disclaimer. |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * 3. All advertising materials mentioning features or use of this software |
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16 * must display the following acknowledgement: |
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17 * This product includes software developed by the University of |
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18 * California, Berkeley and its contributors. |
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19 * 4. Neither the name of the University nor the names of its contributors |
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20 * may be used to endorse or promote products derived from this software |
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21 * without specific prior written permission. |
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22 * |
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23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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33 * SUCH DAMAGE. |
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34 * |
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35 * @(#)fts.h 8.3 (Berkeley) 8/14/94 |
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36 */ |
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37 |
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38 #ifndef _FTS_H_ |
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39 #define _FTS_H_ |
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40 |
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41 #if defined(__cplusplus) |
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42 # ifndef __const__ |
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43 # define __const__ const |
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44 # endif |
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45 extern "C" { |
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46 #endif |
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47 |
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48 struct _ftsent { |
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49 struct _ftsent *fts_cycle; /* cycle node */ |
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50 struct _ftsent *fts_parent; /* parent directory */ |
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51 struct _ftsent *fts_link; /* next file in directory */ |
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52 long fts_number; /* local numeric value */ |
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53 void *fts_pointer; /* local address value */ |
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54 char *fts_accpath; /* access path */ |
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55 char *fts_path; /* root path */ |
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56 int fts_errno; /* errno for this node */ |
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57 int fts_symfd; /* fd for symlink */ |
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58 size_t fts_pathlen; /* strlen(fts_path) */ |
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59 size_t fts_namelen; /* strlen(fts_name) */ |
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60 |
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61 ino_t fts_ino; /* inode */ |
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62 dev_t fts_dev; /* device */ |
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63 nlink_t fts_nlink; /* link count */ |
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64 |
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65 #define FTS_ROOTPARENTLEVEL -1 |
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66 #define FTS_ROOTLEVEL 0 |
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67 short fts_level; /* depth (-1 to N) */ |
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68 |
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69 #define FTS_D 1 /* preorder directory */ |
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70 #define FTS_DC 2 /* directory that causes cycles */ |
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71 #define FTS_DEFAULT 3 /* none of the above */ |
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72 #define FTS_DNR 4 /* unreadable directory */ |
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73 #define FTS_DOT 5 /* dot or dot-dot */ |
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74 #define FTS_DP 6 /* postorder directory */ |
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75 #define FTS_ERR 7 /* error; errno is set */ |
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76 #define FTS_F 8 /* regular file */ |
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77 #define FTS_INIT 9 /* initialized only */ |
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78 #define FTS_NS 10 /* stat(2) failed */ |
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79 #define FTS_NSOK 11 /* no stat(2) requested */ |
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80 #define FTS_SL 12 /* symbolic link */ |
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81 #define FTS_SLNONE 13 /* symbolic link without target */ |
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82 #if 0 |
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83 #define FTS_W 14 /* whiteout object */ |
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84 #endif |
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85 u_short fts_info; /* user flags for FTSENT structure */ |
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86 |
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87 |
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88 #define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */ |
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89 #define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */ |
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90 #if 0 |
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91 #define FTS_ISW 0x04 /* this is a whiteout object */ |
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92 #endif |
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93 u_short fts_flags; /* private flags for FTSENT structure */ |
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94 |
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95 |
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96 #define FTS_AGAIN 1 /* read node again */ |
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97 #define FTS_FOLLOW 2 /* follow symbolic link */ |
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98 #define FTS_NOINSTR 3 /* no instructions */ |
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99 #define FTS_SKIP 4 /* discard node */ |
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100 u_short fts_instr; /* fts_set() instructions */ |
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101 |
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102 struct stat *fts_statp; /* stat(2) information */ |
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103 char fts_name[1]; /* file name */ |
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104 }; |
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105 |
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106 typedef struct _ftsent FTSENT; |
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107 |
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108 typedef struct { |
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109 struct _ftsent *fts_cur; /* current node */ |
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110 struct _ftsent *fts_child; /* linked list of children */ |
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111 struct _ftsent **fts_array; /* sort array */ |
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112 dev_t fts_dev; /* starting device # */ |
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113 char *fts_path; /* path for this descent */ |
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114 int fts_rfd; /* fd for root */ |
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115 size_t fts_pathlen; /* sizeof(path) */ |
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116 size_t fts_nitems; /* elements in the sort array */ |
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117 int (*fts_compar)(const FTSENT **,const FTSENT **); /* compare function */ |
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118 |
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119 #define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */ |
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120 #define FTS_LOGICAL 0x0002 /* logical walk */ |
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121 #define FTS_NOCHDIR 0x0004 /* don't change directories */ |
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122 #define FTS_NOSTAT 0x0008 /* don't get stat info */ |
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123 #define FTS_PHYSICAL 0x0010 /* physical walk */ |
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124 #define FTS_SEEDOT 0x0020 /* return dot and dot-dot */ |
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125 #define FTS_XDEV 0x0040 /* don't cross devices */ |
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126 #if 0 |
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127 #define FTS_WHITEOUT 0x0080 /* return whiteout information */ |
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128 #endif |
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129 #define FTS_CHDIRROOT 0x0100 /* chdir to root of tree not orig cwd */ |
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130 #define FTS_OPTIONMASK 0x0fff /* valid user option mask */ |
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131 |
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132 #define FTS_NAMEONLY 0x1000 /* (private) child names only */ |
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133 #define FTS_STOP 0x2000 /* (private) unrecoverable error */ |
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134 int fts_options; /* fts_open options, global flags */ |
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135 } FTS; |
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136 |
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137 |
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138 FTSENT *fts_children(FTS *, int); |
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139 int fts_close(FTS *); |
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140 FTS *fts_open(char * const *, int, |
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141 int (*)(const FTSENT **, const FTSENT **)); |
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142 FTSENT *fts_read(FTS *); |
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143 int fts_set(FTS *, FTSENT *, int); |
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144 |
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145 #ifdef __cplusplus |
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146 } |
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147 #endif |
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148 |
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149 #endif /* !_FTS_H_ */ |