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b5a3756551
To be used in httpd(8) shortly to prevent toctu issues. This makes __fdopendir internally accessible to avoid unnecessary syscalls in scandirat(3). Suggested & diff by guenther suggested by & OK millert tweak & OK guenther OK tb, jca This rides the libc crank.
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/* $OpenBSD: dirent.h,v 1.35 2024/04/15 15:47:58 florian Exp $ */
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/* $NetBSD: dirent.h,v 1.9 1995/03/26 20:13:37 jtc Exp $ */
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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. 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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#include <sys/cdefs.h>
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/*
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* POSIX doesn't mandate this, but X/Open XPG 4.2 does.
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*/
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#if __BSD_VISIBLE || __XPG_VISIBLE >= 400
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#include <sys/types.h>
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#else
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#include <sys/_types.h>
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#endif
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/*
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* The kernel defines the format of directory entries returned by
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* the getdents(2) system call.
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*/
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#include <sys/dirent.h>
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#if __BSD_VISIBLE || __XPG_VISIBLE
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#define d_ino d_fileno /* backward compatibility */
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#endif
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typedef struct _dirdesc DIR;
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#if __BSD_VISIBLE
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/* definitions for library routines operating on directories. */
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#define DIRBLKSIZ 1024
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#include <sys/_null.h>
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#endif /* __BSD_VISIBLE */
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__BEGIN_DECLS
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DIR *opendir(const char *);
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#if __POSIX_VISIBLE >= 200809
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DIR *fdopendir(int);
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#endif
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struct dirent *readdir(DIR *);
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void rewinddir(DIR *);
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int closedir(DIR *);
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#if __BSD_VISIBLE
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int getdents(int, void *, size_t)
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__attribute__ ((__bounded__(__string__,2,3)));
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#endif /* __BSD_VISIBLE */
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#if __XPG_VISIBLE
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long telldir(DIR *);
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void seekdir(DIR *, long);
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#endif
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#if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500
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int readdir_r(DIR *__restrict, struct dirent *__restrict,
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struct dirent **__restrict);
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#endif
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#if __POSIX_VISIBLE >= 200809
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int scandir(const char *, struct dirent ***, int (*)(const struct dirent *),
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int (*)(const struct dirent **, const struct dirent **));
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int scandirat(int, const char *, struct dirent ***,
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int (*)(const struct dirent *),
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int (*)(const struct dirent **, const struct dirent **));
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int alphasort(const struct dirent **, const struct dirent **);
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#elif __BSD_VISIBLE
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int scandir(const char *, struct dirent ***, int (*)(struct dirent *),
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int (*)(const void *, const void *));
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int alphasort(const void *, const void *);
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#endif
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#if __POSIX_VISIBLE >= 200809 || __XPG_VISIBLE > 600
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int dirfd(DIR *);
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#endif
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__END_DECLS
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#endif /* !_DIRENT_H_ */
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