/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ #ifndef _DIRENT_H #define _DIRENT_H #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.6.1.5 */ #include #include #include #ifdef __cplusplus extern "C" { #endif #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) #define MAXNAMLEN 512 /* maximum filename length */ #define DIRBUF 8192 /* buffer size for fs-indep. dirs */ #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) */ #if !defined(__XOPEN_OR_POSIX) typedef struct { int dd_fd; /* file descriptor */ int dd_loc; /* offset in block */ int dd_size; /* amount of valid data */ char *dd_buf; /* directory block */ } DIR; /* stream data from opendir() */ #else typedef struct { int d_fd; /* file descriptor */ int d_loc; /* offset in block */ int d_size; /* amount of valid data */ char *d_buf; /* directory block */ } DIR; /* stream data from opendir() */ #endif /* !defined(__XOPEN_OR_POSIX) */ #if defined(__STDC__) /* large file compilation environment setup */ #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir readdir64 #pragma redefine_extname scandir scandir64 #pragma redefine_extname alphasort alphasort64 #else #define readdir readdir64 #define scandir scandir64 #define alphasort alphasort64 #endif #endif /* _FILE_OFFSET_BITS == 64 */ /* In the LP64 compilation environment, all APIs are already large file */ #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir64 readdir #pragma redefine_extname scandir64 scandir #pragma redefine_extname alphasort64 alphasort #else #define readdir64 readdir #define scandir64 scandir #define alphsort64 alphasort #endif #endif /* _LP64 && _LARGEFILE64_SOURCE */ extern DIR *opendir(const char *); #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ defined(_ATFILE_SOURCE) extern DIR *fdopendir(int); extern int dirfd(DIR *); #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */ #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) extern int scandir(const char *, struct dirent *(*[]), int (*)(const struct dirent *), int (*)(const struct dirent **, const struct dirent **)); extern int alphasort(const struct dirent **, const struct dirent **); #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) */ extern struct dirent *readdir(DIR *); #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || \ defined(_XOPEN_SOURCE) extern long telldir(DIR *); extern void seekdir(DIR *, long); #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */ extern void rewinddir(DIR *); extern int closedir(DIR *); /* transitional large file interface */ #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ !defined(__PRAGMA_REDEFINE_EXTNAME)) extern struct dirent64 *readdir64(DIR *); #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) extern int scandir64(const char *, struct dirent64 *(*[]), int (*)(const struct dirent64 *), int (*)(const struct dirent64 **, const struct dirent64 **)); extern int alphasort64(const struct dirent64 **, const struct dirent64 **); #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) */ #endif #else extern DIR *opendir(); #if defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) || \ defined(_ATFILE_SOURCE) extern DIR *fdopendir(); extern int dirfd(); #endif /* defined(__EXTENSIONS__) || !defined(__XOPEN_OR_POSIX) ... */ extern struct dirent *readdir(); #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || \ defined(_XOPEN_SOURCE) extern long telldir(); extern void seekdir(); #endif /* defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) ... */ extern void rewinddir(); extern int closedir(); /* transitional large file interface */ #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ !defined(__PRAGMA_REDEFINE_EXTNAME)) extern struct dirent64 *readdir64(); #endif #endif #if defined(__EXTENSIONS__) || !defined(_POSIX_C_SOURCE) || \ defined(_XOPEN_SOURCE) #define rewinddir(dirp) seekdir(dirp, 0L) #endif /* * readdir_r() prototype is defined here. * * There are several variations, depending on whether compatibility with old * POSIX draft specifications or the final specification is desired and on * whether the large file compilation environment is active. To combat a * combinatorial explosion, enabling large files implies using the final * specification (since the definition of the large file environment * considerably postdates that of the final readdir_r specification). * * In the LP64 compilation environment, all APIs are already large file, * and since there are no 64-bit applications that can have seen the * draft implementation, again, we use the final POSIX specification. */ #if defined(__EXTENSIONS__) || defined(_REENTRANT) || \ !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE - 0 >= 199506L) || \ defined(_POSIX_PTHREAD_SEMANTICS) #if defined(__STDC__) #if !defined(_LP64) && _FILE_OFFSET_BITS == 32 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir_r __posix_readdir_r extern int readdir_r(DIR *_RESTRICT_KYWD, struct dirent *_RESTRICT_KYWD, struct dirent **_RESTRICT_KYWD); #else /* __PRAGMA_REDEFINE_EXTNAME */ extern int __posix_readdir_r(DIR *_RESTRICT_KYWD, struct dirent *_RESTRICT_KYWD, struct dirent **_RESTRICT_KYWD); #ifdef __lint #define readdir_r __posix_readdir_r #else /* !__lint */ static int readdir_r(DIR *_RESTRICT_KYWD __dp, struct dirent *_RESTRICT_KYWD __ent, struct dirent **_RESTRICT_KYWD __res) { return (__posix_readdir_r(__dp, __ent, __res)); } #endif /* !__lint */ #endif /* __PRAGMA_REDEFINE_EXTNAME */ #else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ extern struct dirent *readdir_r(DIR *__dp, struct dirent *__ent); #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ #else /* !_LP64 && _FILE_OFFSET_BITS == 32 */ #if defined(_LP64) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir64_r readdir_r #else #define readdir64_r readdir_r #endif #else /* _LP64 */ #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir_r readdir64_r #else #define readdir_r readdir64_r #endif #endif /* _LP64 */ extern int readdir_r(DIR *_RESTRICT_KYWD, struct dirent *_RESTRICT_KYWD, struct dirent **_RESTRICT_KYWD); #endif /* !_LP64 && _FILE_OFFSET_BITS == 32 */ #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ !defined(__PRAGMA_REDEFINE_EXTNAME)) /* transitional large file interface */ extern int readdir64_r(DIR *_RESTRICT_KYWD, struct dirent64 *_RESTRICT_KYWD, struct dirent64 **_RESTRICT_KYWD); #endif #else /* __STDC__ */ #if !defined(_LP64) && _FILE_OFFSET_BITS == 32 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir_r __posix_readdir_r extern int readdir_r(); #else /* __PRAGMA_REDEFINE_EXTNAME */ extern int __posix_readdir_r(); #ifdef __lint #define readdir_r __posix_readdir_r #else /* !__lint */ static int readdir_r(DIR *_RESTRICT_KYWD __dp, struct dirent *_RESTRICT_KYWD __ent, struct dirent **_RESTRICT_KYWD __res) { return (__posix_readdir_r(__dp, __ent, __res)); } #endif /* !__lint */ #endif /* __PRAGMA_REDEFINE_EXTNAME */ #else /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ extern struct dirent *readdir_r(); #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */ #else /* !_LP64 && _FILE_OFFSET_BITS == 32 */ #if defined(_LP64) #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir64_r readdir_r #else #define readdir64_r readdir #endif #else /* _LP64 */ #ifdef __PRAGMA_REDEFINE_EXTNAME #pragma redefine_extname readdir_r readdir64_r #else #define readdir_r readdir64_r #endif #endif /* _LP64 */ extern int readdir_r(); #endif /* !_LP64 && _FILE_OFFSET_BITS == 32 */ #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ !defined(__PRAGMA_REDEFINE_EXTNAME)) /* transitional large file interface */ extern int readdir64_r(); #endif #endif /* __STDC__ */ #endif /* defined(__EXTENSIONS__) || defined(_REENTRANT)... */ #ifdef __cplusplus } #endif #endif /* _DIRENT_H */