From 738fdc6a42e15a108ef7bccfd8bc682fff2b8cd7 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 8 Oct 2018 13:10:16 +0200 Subject: [PATCH] RTEMS: Add struct dirent::d_type member This is used by the file system support of libstdc++ for example. Use content from latest FreeBSD Signed-off-by: Sebastian Huber --- newlib/libc/sys/rtems/include/sys/dirent.h | 125 ++++++++++++++++----- 1 file changed, 98 insertions(+), 27 deletions(-) diff --git a/newlib/libc/sys/rtems/include/sys/dirent.h b/newlib/libc/sys/rtems/include/sys/dirent.h index cb64307f9..5ad34a477 100644 --- a/newlib/libc/sys/rtems/include/sys/dirent.h +++ b/newlib/libc/sys/rtems/include/sys/dirent.h @@ -1,17 +1,53 @@ -#ifndef _SYS_DIRENT_H -# define _SYS_DIRENT_H +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)dirent.h 8.3 (Berkeley) 8/10/94 + * $FreeBSD: head/sys/sys/dirent.h 335494 2018-06-21 16:40:07Z bdrewery $ + */ -#ifdef __cplusplus -extern "C" { +#ifndef _SYS_DIRENT_H_ +#define _SYS_DIRENT_H_ + +#include +#include +#include + +#ifndef _INO_T_DECLARED +typedef __ino_t ino_t; +#define _INO_T_DECLARED #endif -/* - * This file was written to be compatible with the BSD directory - * routines, so it looks like it. But it was written from scratch. - * Sean Eric Fagan, sef@Kithrup.COM - * - * Copied to RTEMS configuration without modification. - */ +#ifndef _OFF_T_DECLARED +typedef __off_t off_t; +#define _OFF_T_DECLARED +#endif typedef struct _dirdesc { int dd_fd; @@ -22,28 +58,63 @@ typedef struct _dirdesc { long dd_seek; } DIR; -# define __dirfd(dp) ((dp)->dd_fd) - -#include - -#include +/* + * The dirent structure defines the format of directory entries returned by + * the getdirentries(2) system call. + * + * 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 an 8 + * byte boundary with null bytes. All names are guaranteed null terminated. + * The maximum length of a name in a directory is MAXNAMLEN. + * + * Explicit padding between the last member of the header (d_namlen) and + * d_name avoids ABI padding at the end of dirent on LP64 architectures. + * There is code depending on d_name being last. + */ struct dirent { - long d_ino; - off_t d_off; - unsigned short d_reclen; - /* we need better syntax for variable-sized arrays */ - unsigned short d_namlen; - char d_name[NAME_MAX + 1]; + ino_t d_fileno; /* file number of entry */ + off_t d_off; /* directory offset of entry */ + __uint16_t d_reclen; /* length of this record */ + __uint8_t d_type; /* file type, see below */ + __uint16_t d_namlen; /* length of string in d_name */ + char d_name[NAME_MAX + 1]; /* name must be no longer than this */ }; #if __BSD_VISIBLE -#define MAXNAMLEN NAME_MAX +#define MAXNAMLEN NAME_MAX #endif -#ifdef __cplusplus -} -#endif +/* + * XXX this is probably illegal in the __XSI_VISIBLE case, but brings us closer + * to the specification. + */ +#define d_ino d_fileno /* backward and XSI compatibility */ +#define __dirfd(dp) ((dp)->dd_fd) -#endif +#if __BSD_VISIBLE + +/* + * 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 + +/* + * Convert between stat structure types and directory types. + */ +#define IFTODT(mode) (((mode) & 0170000) >> 12) +#define DTTOIF(dirtype) ((dirtype) << 12) + +#endif /* __BSD_VISIBLE */ + +#endif /* !_SYS_DIRENT_H_ */