mes/lib/linux+tcc.c

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/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* 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.
*
* 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 Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#define SYS_close 0x06
#define SYS_lseek 0x13
#define SYS_unlink 0x0a
#define SYS_rmdir 0x28
#define SYS_stat 0x6a
#define SYS_getcwd 0xb7
int
close (int filedes)
{
if (_ungetc_fd == filedes)
{
_ungetc_pos = -1;
_ungetc_fd = -1;
}
return _sys_call1 (SYS_close, (int)filedes);
}
off_t
lseek (int filedes, off_t offset, int whence)
{
return _sys_call3 (SYS_lseek, (int)filedes, (int)offset, (int)whence);
}
int
unlink (char const *file_name)
{
return _sys_call1 (SYS_unlink, (int)file_name);
}
int
rmdir (char const *file_name)
{
return _sys_call1 (SYS_rmdir, (int)file_name);
}
int
stat (char const *file_name, struct stat *statbuf)
{
return _sys_call2 (SYS_stat, (int)file_name, (int)statbuf);
}
char *
getcwd (char *buffer, size_t size)
{
return _sys_call2 (SYS_getcwd, (int)buffer, (int)size);
}