89945751d9
* include/fcntl.h (O_RDONLY, O_WRONLY, O_RDWR, O_CREAT, O_APPEND, O_TRUNC)[__GNU__]: Specialize for GNU. * lib/gnu/dir-lookup.c: New file. * lib/stdio/fopen.c (fopen): Use O_RDONLY. * lib/tests/posix/50-open-read.c (main): Likewise. * lib/tests/stdio/90-fseek.c (main): Likewise. * include/gnu/syscall.h (SYS__dir_lookup): New value. * lib/gnu/_open3.c: New file. * build-aux/configure-lib.sh (libc_SOURCES): Build them.
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_FCNTL_H
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#define __MES_FCNTL_H 1
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#if SYSTEM_LIBC
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#undef __MES_FCNTL_H
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#include_next <fcntl.h>
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#else // ! SYSTEM_LIBC
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// *INDENT-OFF*
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#if __linux__
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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#define O_CREAT 0x40
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#define O_EXCL 0x80
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#define O_TRUNC 0x200
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#define O_APPEND 0x400
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#define O_DIRECTORY 0x10000
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#elif __GNU__
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#define O_RDONLY 1
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#define O_WRONLY 2
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#define O_RDWR 3
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#define O_CREAT 0x10
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#define O_APPEND 0x100
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#define O_TRUNC 0x10000
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#else
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#error platform not supported
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#endif
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// *INDENT-ON*
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#define FD_CLOEXEC 1
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#define F_DUPFD 0
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#define F_GETFD 1
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#define F_SETFD 2
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#define F_GETFL 3
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#define F_SETFL 4
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#define creat(file_name, mode) open (file_name, O_WRONLY | O_CREAT | O_TRUNC, mode)
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int dup (int old);
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int dup2 (int old, int new);
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int fcntl (int filedes, int command, ...);
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int open (char const *s, int flags, ...);
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#endif // ! SYSTEM_LIBC
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#endif // __MES_FCNTL_H
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