X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..4ba76501152d51ccb5647018f3192c6096367d48:/bsd/sys/dirent.h?ds=sidebyside diff --git a/bsd/sys/dirent.h b/bsd/sys/dirent.h index 8dc0359cc..497077301 100644 --- a/bsd/sys/dirent.h +++ b/bsd/sys/dirent.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -56,49 +62,96 @@ */ /* - * The dirent structure defines the format of directory entries returned by - * the getdirentries(2) system call. + * The dirent structure defines the format of directory entries. * * A directory entry has a struct dirent at the front of it, containing its * inode number, the length of the entry, and the length of the name * contained in the entry. These are followed by the name padded to a 4 * byte boundary with null bytes. All names are guaranteed null terminated. - * The maximum length of a name in a directory is MAXNAMLEN. + * The maximum length of a name in a directory is MAXNAMLEN when 32-bit + * ino_t is in effect; (MAXPATHLEN - 1) when 64-bit ino_t is in effect. */ -#ifndef _SYS_DIRENT_H -#define _SYS_DIRENT_H +#ifndef _SYS_DIRENT_H +#define _SYS_DIRENT_H + +#include +#include + +#include + +#define __DARWIN_MAXNAMLEN 255 + +#pragma pack(4) + +#if !__DARWIN_64_BIT_INO_T struct dirent { - u_int32_t d_fileno; /* file number of entry */ - u_int16_t d_reclen; /* length of this record */ - u_int8_t d_type; /* file type, see below */ - u_int8_t d_namlen; /* length of string in d_name */ -#ifdef _POSIX_SOURCE - char d_name[255 + 1]; /* name must be no longer than this */ -#else -#define MAXNAMLEN 255 - char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */ -#endif + ino_t d_ino; /* file number of entry */ + __uint16_t d_reclen; /* length of this record */ + __uint8_t d_type; /* file type, see below */ + __uint8_t d_namlen; /* length of string in d_name */ + char d_name[__DARWIN_MAXNAMLEN + 1]; /* name must be no longer than this */ }; +#endif /* !__DARWIN_64_BIT_INO_T */ + +#pragma pack() + +#define __DARWIN_MAXPATHLEN 1024 +#define __DARWIN_STRUCT_DIRENTRY { \ + __uint64_t d_ino; /* file number of entry */ \ + __uint64_t d_seekoff; /* seek offset (optional, used by servers) */ \ + __uint16_t d_reclen; /* length of this record */ \ + __uint16_t d_namlen; /* length of string in d_name */ \ + __uint8_t d_type; /* file type, see below */ \ + char d_name[__DARWIN_MAXPATHLEN]; /* entry name (up to MAXPATHLEN bytes) */ \ +} + +#if __DARWIN_64_BIT_INO_T +struct dirent __DARWIN_STRUCT_DIRENTRY; +#endif /* __DARWIN_64_BIT_INO_T */ + +#ifdef KERNEL +/* Extended directory entry */ +struct direntry __DARWIN_STRUCT_DIRENTRY; +#endif + + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#define d_fileno d_ino /* backward compatibility */ +#define MAXNAMLEN __DARWIN_MAXNAMLEN /* * File types */ -#define DT_UNKNOWN 0 -#define DT_FIFO 1 -#define DT_CHR 2 -#define DT_DIR 4 -#define DT_BLK 6 -#define DT_REG 8 -#define DT_LNK 10 -#define DT_SOCK 12 -#define DT_WHT 14 +#define DT_UNKNOWN 0 +#define DT_FIFO 1 +#define DT_CHR 2 +#define DT_DIR 4 +#define DT_BLK 6 +#define DT_REG 8 +#define DT_LNK 10 +#define DT_SOCK 12 +#define DT_WHT 14 /* * Convert between stat structure types and directory types. */ -#define IFTODT(mode) (((mode) & 0170000) >> 12) -#define DTTOIF(dirtype) ((dirtype) << 12) +#define IFTODT(mode) (((mode) & 0170000) >> 12) +#define DTTOIF(dirtype) ((dirtype) << 12) +#endif + +#if PRIVATE +/* + * If a buffer at least this size is passed to __getdirentries64, + * the the last 4 bytes will be the flags below. + */ +#define GETDIRENTRIES64_EXTENDED_BUFSIZE 1024 + +__options_decl(getdirentries64_flags_t, unsigned, { + /* the __getdirentries64 returned all entries */ + GETDIRENTRIES64_EOF = 1U << 0, +}); +#endif #endif /* _SYS_DIRENT_H */