inetd
/* $Id$ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Servers inetd */
/* This program 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, version 3 of the License.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdio.h>
#include <string.h>
/* echo */
/* PRE
* POST the requested files have been printed on standard output
* returns:
* 0 successful
* 2 an error occured */
static int _echo(void)
{
int c;
while((c = fgetc(stdin)) != EOF)
{
if(fputc(c, stdout) == EOF)
return feof(stdout) ? 0 : 2;
if(c == '\n')
fflush(stdout);
}
return feof(stdin) ? 0 : 2;
}
/* usage */
static int _usage(void)
{
fputs("Usage: echo\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
if(argc != 1)
return _usage();
return _echo();
}