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mescc: Mes C Library: Support GNU Tar: Add creat, mknod.

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* include/linux/x86_64/syscall.h (SYS_mknod): New macro.
* include/linux/x86/syscall.h (SYS_mknod): New macro.
* lib/linux/mknod.c: New file.
* build-aux/configure-lib.sh (libc_gnu_SOURCES): Add it.
* include/sys/stat.h (mknod): Declare it.
* include/fcntl.h (creat): New macro.
This commit is contained in:
Jan Nieuwenhuizen 2019-07-12 11:56:58 +02:00
parent 203ef4944b
commit b97c59ff21
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GPG key ID: F3C1A0D9C1D65273
6 changed files with 34 additions and 0 deletions
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1
build-aux/configure-lib.sh
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@ -312,6 +312,7 @@ lib/linux/kill.c
lib/linux/link.c
lib/linux/lstat.c
lib/linux/mkdir.c
lib/linux/mknod.c
lib/linux/nanosleep.c
lib/linux/pipe.c
lib/linux/readlink.c

1
include/fcntl.h
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@ -48,6 +48,7 @@
#define F_GETFL 3
#define F_SETFL 4
#define creat(file_name, mode) open (file_name, O_WRONLY | O_CREAT | O_TRUNC, mode)
int dup (int old);
int dup2 (int old, int new);
int fcntl (int filedes, int command, ...);

1
include/linux/x86/syscall.h
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@ -86,5 +86,6 @@
// tar
#define SYS_symlink 0x53
#define SYS_readlink 0x55
#define SYS_mknod 0x0e
#endif // __MES_LINUX_X86_SYSCALL_H

1
include/linux/x86_64/syscall.h
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@ -83,5 +83,6 @@
// tar
#define SYS_symlink 0x58
#define SYS_readlink 0x59
#define SYS_mknod 0x85
#endif // __MES_LINUX_X86_64_SYSCALL_H

1
include/sys/stat.h
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@ -85,6 +85,7 @@ struct stat
int chmod (char const *file_name, mode_t mode);
int fstat (int filedes, struct stat *buf);
int mkdir (char const *file_name, mode_t mode);
int mknod (char const *file_name, mode_t mode, dev_t dev);
int chown (char const *file_name, uid_t owner, gid_t group);
int rmdir (char const *file_name);
int stat (char const *file_name, struct stat *buf);

29
lib/linux/mknod.c Normal file
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@ -0,0 +1,29 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2018,2019 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/>.
*/
#include <linux/syscall.h>
#include <syscall.h>
#include <sys/stat.h>
int
mknod (char const *file_name, mode_t mode, dev_t dev)
{
return _sys_call3 (SYS_mknod, (long) file_name, (long) mode, (long) dev);
}