192 lines
6.9 KiB
C
192 lines
6.9 KiB
C
/*
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* Copyright (c) 2000, 2002-2008 Apple Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dirent.h 8.2 (Berkeley) 7/28/94
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*/
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#ifndef _DIRENT_H_
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#define _DIRENT_H_
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/*
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* The kernel defines the format of directory entries
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*/
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#include <_types.h>
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#include <sys/dirent.h>
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#include <sys/cdefs.h>
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#include <Availability.h>
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#include <sys/_pthread/_pthread_types.h> /* __darwin_pthread_mutex_t */
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struct _telldir; /* forward reference */
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/* structure describing an open directory. */
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typedef struct {
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int __dd_fd; /* file descriptor associated with directory */
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long __dd_loc; /* offset in current buffer */
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long __dd_size; /* amount of data returned */
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char *__dd_buf; /* data buffer */
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int __dd_len; /* size of data buffer */
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long __dd_seek; /* magic cookie returned */
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__unused long __padding; /* (__dd_rewind space left for bincompat) */
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int __dd_flags; /* flags for readdir */
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__darwin_pthread_mutex_t __dd_lock; /* for thread locking */
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struct _telldir *__dd_td; /* telldir position recording */
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} DIR;
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#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
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/* definitions for library routines operating on directories. */
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#define DIRBLKSIZ 1024
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/* flags for opendir2 */
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#define DTF_HIDEW 0x0001 /* hide whiteout entries */
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#define DTF_NODUP 0x0002 /* don't return duplicate names */
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#define DTF_REWIND 0x0004 /* rewind after reading union stack */
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#define __DTF_READALL 0x0008 /* everything has been read */
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#define __DTF_SKIPREAD 0x0010 /* assume internal buffer is populated */
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#define __DTF_ATEND 0x0020 /* there's nothing more to read in the kernel */
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#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
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#ifndef KERNEL
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__BEGIN_DECLS
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int closedir(DIR *) __DARWIN_ALIAS(closedir);
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DIR *opendir(const char *) __DARWIN_ALIAS_I(opendir);
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struct dirent *readdir(DIR *) __DARWIN_INODE64(readdir);
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int readdir_r(DIR *, struct dirent *, struct dirent **) __DARWIN_INODE64(readdir_r);
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void rewinddir(DIR *) __DARWIN_ALIAS_I(rewinddir);
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void seekdir(DIR *, long) __DARWIN_ALIAS_I(seekdir);
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long telldir(DIR *) __DARWIN_ALIAS_I(telldir);
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__END_DECLS
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/* Additional functionality provided by:
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* POSIX.1-2008
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*/
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#if __DARWIN_C_LEVEL >= 200809L
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__BEGIN_DECLS
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__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0)
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DIR *fdopendir(int) __DARWIN_ALIAS_I(fdopendir);
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int alphasort(const struct dirent **, const struct dirent **) __DARWIN_INODE64(alphasort);
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#if (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_8) || (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_6_0)
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#include <errno.h>
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#include <stdlib.h>
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#define dirfd(dirp) ({ \
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DIR *_dirp = (dirp); \
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int ret = -1; \
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if (_dirp == NULL || _dirp->__dd_fd < 0) \
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errno = EINVAL; \
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else \
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ret = _dirp->__dd_fd; \
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ret; \
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})
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#else
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int dirfd(DIR *dirp) __OSX_AVAILABLE_STARTING(__MAC_10_8, __IPHONE_6_0);
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#endif
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int scandir(const char *, struct dirent ***,
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int (*)(const struct dirent *), int (*)(const struct dirent **, const struct dirent **)) __DARWIN_INODE64(scandir);
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#ifdef __BLOCKS__
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#if __has_attribute(noescape)
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#define __scandir_noescape __attribute__((__noescape__))
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#else
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#define __scandir_noescape
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#endif
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int scandir_b(const char *, struct dirent ***,
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int (^)(const struct dirent *) __scandir_noescape,
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int (^)(const struct dirent **, const struct dirent **) __scandir_noescape)
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__DARWIN_INODE64(scandir_b) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
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#endif /* __BLOCKS__ */
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__END_DECLS
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#endif /* __DARWIN_C_LEVEL >= 200809L */
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#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
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__BEGIN_DECLS
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int getdirentries(int, char *, int, long *)
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#if __DARWIN_64_BIT_INO_T
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/*
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* getdirentries() doesn't work when 64-bit inodes is in effect, so we
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* generate a link error.
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*/
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__asm("_getdirentries_is_not_available_when_64_bit_inodes_are_in_effect")
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#else /* !__DARWIN_64_BIT_INO_T */
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__OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0,__MAC_10_6, __IPHONE_2_0,__IPHONE_2_0)
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#endif /* __DARWIN_64_BIT_INO_T */
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;
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DIR *__opendir2(const char *, int) __DARWIN_ALIAS_I(__opendir2);
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__END_DECLS
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#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
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#endif /* !KERNEL */
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#endif /* !_DIRENT_H_ */
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