mes/include/dirent.h
Jan Nieuwenhuizen fa4ba916ea
mescc: Mes C Library: Add closedir, opendir, readdir.
* include/dirent.h: New file.  Import from glibc-2.2.5.
* include/dirstream.h: Likewise.
* lib/dirent/__getdirentries.c: Likewise.
* lib/dirent/closedir.c: Likewise.
* lib/dirent/readdir.c (readdir): Likewise.
* lib/libc+gnu.c: Include them.
* include/linux/x86/syscall.h (SYS_getdents): New macro.
* include/linux/x86_64/syscall.h (SYS_getdents): Likewise.
* lib/linux/gnu.c (getdents): New function.
* include/limits.h (NAME_MAX): New macro.
* include/fcntl.h (O_DIRECTORY): New macro.
* scaffold/tests/readdir.dir: New directory.
* scaffold/tests/99-readdir.c: New file, use it.
* build-aux/check-mescc.sh (tests): Run it.
2018-08-26 18:34:53 +02:00

77 lines
2.1 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
* Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MES_DIRENT_H
#define __MES_DIRENT_H 1
#if WITH_GLIBC
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#undef __MES_DIRENT_H
#include_next <dirent.h>
#else // ! WITH_GLIBC
#include <dirstream.h>
// Taken from GNU C Library 1.06.4, 2.2.5
/*
* POSIX Standard: 5.1.2 Directory Operations <dirent.h>
*/
#include <stddef.h>
int __getdirentries (int filedes, char *buffer, size_t nbytes, off_t *basep);
struct dirent
{
ino_t d_ino;
off_t d_off;
unsigned short int d_reclen;
#if 0
unsigned char d_type;
#endif
char d_name[256]; /* We must not include limits.h! */
};
/* Open a directory stream on NAME.
Return a DIR stream on the directory, or NULL if it could not be opened. */
DIR *opendir (char const *name);
/* Close the directory stream DIRP.
Return 0 if successful, -1 if not. */
int closedir (DIR *dirp);
/* Read a directory entry from DIRP.
Return a pointer to a `struct dirent' describing the entry,
or NULL for EOF or error. The storage returned may be overwritten
by a later readdir call on the same DIR stream. */
struct dirent *readdir (DIR *dirp);
/* Rewind DIRP to the beginning of the directory. */
extern void rewinddir (DIR *dirp);
#endif // ! WITH_GLIBC
#endif // __MES_DIRENT_H