mes/lib/libc-gcc.c

77 lines
1.5 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2016,2017 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/>.
*/
#include <mlibc.h>
#include <stdio.h>
#include <mlibc.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <assert.h>
#include <mini-linux-gcc.c>
#include <mini-libc.c>
#include <linux-gcc.c>
#include <libc.c>
#if POSIX
int
putchar (int c)
{
write (STDOUT, (char*)&c, 1);
return 0;
}
int ungetc_char = -1;
char ungetc_buf[2];
int
getchar ()
{
char c;
int i;
if (ungetc_char == -1)
{
int r = read (g_stdin, &c, 1);
if (r < 1) return -1;
i = c;
}
else
i = ungetc_buf[ungetc_char--];
if (i < 0) i += 256;
return i;
}
int
fdungetc (int c, int fd)
{
assert (ungetc_char < 2);
ungetc_buf[++ungetc_char] = c;
return c;
}
#endif // POSIX