1 | /* |
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2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
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3 | * |
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4 | * @APPLE_LICENSE_HEADER_START@ |
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5 | * |
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6 | * This file contains Original Code and/or Modifications of Original Code |
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7 | * as defined in and that are subject to the Apple Public Source License |
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8 | * Version 2.0 (the 'License'). You may not use this file except in |
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9 | * compliance with the License. Please obtain a copy of the License at |
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10 | * http://www.opensource.apple.com/apsl/ and read it before using this |
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11 | * file. |
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12 | * |
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13 | * The Original Code and all software distributed under the License are |
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14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
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15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
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16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
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18 | * Please see the License for the specific language governing rights and |
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19 | * limitations under the License. |
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20 | * |
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21 | * @APPLE_LICENSE_HEADER_END@ |
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22 | */ |
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23 | /*- |
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24 | * Copyright (c) 1989, 1993 |
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25 | * The Regents of the University of California. All rights reserved. |
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26 | * |
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27 | * Redistribution and use in source and binary forms, with or without |
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28 | * modification, are permitted provided that the following conditions |
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29 | * are met: |
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30 | * 1. Redistributions of source code must retain the above copyright |
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31 | * notice, this list of conditions and the following disclaimer. |
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32 | * 2. Redistributions in binary form must reproduce the above copyright |
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33 | * notice, this list of conditions and the following disclaimer in the |
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34 | * documentation and/or other materials provided with the distribution. |
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35 | * 3. All advertising materials mentioning features or use of this software |
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36 | * must display the following acknowledgement: |
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37 | * This product includes software developed by the University of |
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38 | * California, Berkeley and its contributors. |
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39 | * 4. Neither the name of the University nor the names of its contributors |
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40 | * may be used to endorse or promote products derived from this software |
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41 | * without specific prior written permission. |
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42 | * |
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43 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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53 | * SUCH DAMAGE. |
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54 | * |
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55 | * @(#)dirent.h 8.2 (Berkeley) 7/28/94 |
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56 | */ |
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57 | |
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58 | #ifndef _DIRENT_H_ |
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59 | #define _DIRENT_H_ |
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60 | |
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61 | /* |
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62 | * The kernel defines the format of directory entries returned by |
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63 | * the getdirentries(2) system call. |
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64 | */ |
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65 | #include <_types.h> |
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66 | #include <sys/dirent.h> |
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67 | |
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68 | struct _telldir; /* forward reference */ |
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69 | |
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70 | /* structure describing an open directory. */ |
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71 | typedef struct { |
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72 | int dd_fd; /* file descriptor associated with directory */ |
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73 | long dd_loc; /* offset in current buffer */ |
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74 | long dd_size; /* amount of data returned by getdirentries */ |
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75 | char *dd_buf; /* data buffer */ |
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76 | int dd_len; /* size of data buffer */ |
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77 | long dd_seek; /* magic cookie returned by getdirentries */ |
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78 | long dd_rewind; /* magic cookie for rewinding */ |
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79 | int dd_flags; /* flags for readdir */ |
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80 | __darwin_pthread_mutex_t dd_lock; /* for thread locking */ |
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81 | struct _telldir *dd_td; /* telldir position recording */ |
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82 | } DIR; |
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83 | |
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84 | #ifndef _POSIX_C_SOURCE |
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85 | /* definitions for library routines operating on directories. */ |
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86 | #define DIRBLKSIZ 1024 |
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87 | |
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88 | #define dirfd(dirp) ((dirp)->dd_fd) |
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89 | |
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90 | /* flags for opendir2 */ |
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91 | #define DTF_HIDEW 0x0001 /* hide whiteout entries */ |
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92 | #define DTF_NODUP 0x0002 /* don't return duplicate names */ |
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93 | #define DTF_REWIND 0x0004 /* rewind after reading union stack */ |
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94 | #define __DTF_READALL 0x0008 /* everything has been read */ |
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95 | |
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96 | #endif /* ! _POSIX_C_SOURCE */ |
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97 | |
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98 | #ifndef KERNEL |
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99 | |
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100 | #include <sys/cdefs.h> |
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101 | |
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102 | __BEGIN_DECLS |
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103 | #ifndef _POSIX_C_SOURCE |
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104 | int alphasort(const void *, const void *); |
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105 | #endif /* not POSIX */ |
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106 | int closedir(DIR *) __DARWIN_ALIAS(closedir); |
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107 | #ifndef _POSIX_C_SOURCE |
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108 | int getdirentries(int, char *, int, long *); |
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109 | #endif /* not POSIX */ |
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110 | DIR *opendir(const char *) __DARWIN_ALIAS(opendir); |
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111 | #ifndef _POSIX_C_SOURCE |
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112 | DIR *__opendir2(const char *, int) __DARWIN_ALIAS(__opendir2); |
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113 | #endif /* not POSIX */ |
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114 | struct dirent *readdir(DIR *); |
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115 | int readdir_r(DIR *, struct dirent *, struct dirent **); |
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116 | void rewinddir(DIR *) __DARWIN_ALIAS(rewinddir); |
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117 | #ifndef _POSIX_C_SOURCE |
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118 | int scandir(const char *, struct dirent ***, |
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119 | int (*)(struct dirent *), int (*)(const void *, const void *)); |
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120 | #endif /* not POSIX */ |
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121 | void seekdir(DIR *, long) __DARWIN_ALIAS(seekdir); |
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122 | long telldir(DIR *) __DARWIN_ALIAS(telldir); |
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123 | __END_DECLS |
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124 | |
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125 | #endif /* !KERNEL */ |
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126 | |
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127 | #endif /* !_DIRENT_H_ */ |
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