dirent.h revision 951a39d68df598db08dfced8b4707755864a0492
1951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 2951a39d68df598db08dfced8b4707755864a0492Ying Wang * Copyright (C) 2008 The Android Open Source Project 3951a39d68df598db08dfced8b4707755864a0492Ying Wang * All rights reserved. 4951a39d68df598db08dfced8b4707755864a0492Ying Wang * 5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without 6951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions 7951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met: 8951a39d68df598db08dfced8b4707755864a0492Ying Wang * * Redistributions of source code must retain the above copyright 9951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer. 10951a39d68df598db08dfced8b4707755864a0492Ying Wang * * Redistributions in binary form must reproduce the above copyright 11951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer in 12951a39d68df598db08dfced8b4707755864a0492Ying Wang * the documentation and/or other materials provided with the 13951a39d68df598db08dfced8b4707755864a0492Ying Wang * distribution. 14951a39d68df598db08dfced8b4707755864a0492Ying Wang * 15951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16951a39d68df598db08dfced8b4707755864a0492Ying Wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18951a39d68df598db08dfced8b4707755864a0492Ying Wang * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19951a39d68df598db08dfced8b4707755864a0492Ying Wang * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20951a39d68df598db08dfced8b4707755864a0492Ying Wang * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21951a39d68df598db08dfced8b4707755864a0492Ying Wang * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23951a39d68df598db08dfced8b4707755864a0492Ying Wang * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24951a39d68df598db08dfced8b4707755864a0492Ying Wang * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26951a39d68df598db08dfced8b4707755864a0492Ying Wang * SUCH DAMAGE. 27951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 28951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _DIRENT_H_ 29951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _DIRENT_H_ 30951a39d68df598db08dfced8b4707755864a0492Ying Wang 31951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <stdint.h> 32951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/cdefs.h> 33951a39d68df598db08dfced8b4707755864a0492Ying Wang 34951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 35951a39d68df598db08dfced8b4707755864a0492Ying Wang 36951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef DT_UNKNOWN 37951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_UNKNOWN 0 38951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_FIFO 1 39951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_CHR 2 40951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_DIR 4 41951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_BLK 6 42951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_REG 8 43951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_LNK 10 44951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_SOCK 12 45951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_WHT 14 46951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 47951a39d68df598db08dfced8b4707755864a0492Ying Wang 48951a39d68df598db08dfced8b4707755864a0492Ying Wang/* the following structure is really called dirent64 by the kernel 49951a39d68df598db08dfced8b4707755864a0492Ying Wang * headers. They also define a struct dirent, but the latter lack 50951a39d68df598db08dfced8b4707755864a0492Ying Wang * the d_type field which is required by some libraries (e.g. hotplug) 51951a39d68df598db08dfced8b4707755864a0492Ying Wang * who assume to be able to access it directly. sad... 52951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 53951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct dirent { 54951a39d68df598db08dfced8b4707755864a0492Ying Wang uint64_t d_ino; 55951a39d68df598db08dfced8b4707755864a0492Ying Wang int64_t d_off; 56951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned short d_reclen; 57951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char d_type; 58951a39d68df598db08dfced8b4707755864a0492Ying Wang char d_name[256]; 59951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 60951a39d68df598db08dfced8b4707755864a0492Ying Wang 61951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct DIR DIR; 62951a39d68df598db08dfced8b4707755864a0492Ying Wang 63951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int getdents(unsigned int, struct dirent*, unsigned int); 64951a39d68df598db08dfced8b4707755864a0492Ying Wangextern DIR* opendir(const char* dirpath); 65951a39d68df598db08dfced8b4707755864a0492Ying Wangextern DIR* fdopendir(int fd); 66951a39d68df598db08dfced8b4707755864a0492Ying Wangextern struct dirent* readdir(DIR* dirp); 67951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int readdir_r(DIR* dirp, struct dirent *entry, struct dirent **result); 68951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int closedir(DIR* dirp); 69951a39d68df598db08dfced8b4707755864a0492Ying Wangextern void rewinddir(DIR *dirp); 70951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int dirfd(DIR* dirp); 71951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int alphasort(const void *a, const void *b); 72951a39d68df598db08dfced8b4707755864a0492Ying Wangextern int scandir(const char *dir, struct dirent ***namelist, 73951a39d68df598db08dfced8b4707755864a0492Ying Wang int(*filter)(const struct dirent *), 74951a39d68df598db08dfced8b4707755864a0492Ying Wang int(*compar)(const struct dirent **, 75951a39d68df598db08dfced8b4707755864a0492Ying Wang const struct dirent **)); 76951a39d68df598db08dfced8b4707755864a0492Ying Wang 77951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 78951a39d68df598db08dfced8b4707755864a0492Ying Wang 79951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _DIRENT_H_ */ 80