mes/lib/libc-mini.c

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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018 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/>.
*/
#include <errno.h>
#ifndef _SIZE_T
#define _SIZE_T
#ifndef __SIZE_T
#define __SIZE_T
#ifndef __MES_SIZE_T
#define __MES_SIZE_T
#undef size_t
typedef unsigned long size_t;
#endif
#endif
#endif
#ifndef _SSIZE_T
#define _SSIZE_T
#ifndef __SSIZE_T
#define __SSIZE_T
#ifndef __MES_SSIZE_T
#define __MES_SSIZE_T
#undef ssize_t
typedef long ssize_t;
#endif
#endif
#endif
ssize_t write (int filedes, void const *buffer, size_t size);
size_t
strlen (char const* s)
{
int i = 0;
while (s[i]) i++;
return i;
}
int
eputs (char const* s)
{
int i = strlen (s);
write (2, s, i);
return 0;
}
int
oputs (char const* s)
{
int i = strlen (s);
write (1, s, i);
return 0;
}
int
puts (char const* s)
{
oputs (s);
return oputs ("\n");
}
#if __GNU__
#include <hurd/libc-mini.c>
#elif __linux__
#include <linux/libc-mini.c>
#else
#error both __GNU__ and _linux__ are undefined, choose one
#endif
void (*__call_at_exit) (void);
void
exit (int code)
{
if (__call_at_exit)
(*__call_at_exit) ();
_exit (code);
}