sortix--sortix/utils/echo.c

/*
 * Copyright (c) 2015 Jonas 'Sortie' Termansen.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * echo.c
 * Write arguments to standard output.
 */

#include <errno.h>
#include <error.h>
#include <stdio.h>

int main(int argc, char* argv[])
{
	for ( int i = 1; i < argc; i++ )
	{
		if ( i != 1 )
			putchar(' ');
		fputs(argv[i], stdout);
	}
	putchar('\n');
	if ( ferror(stdout) || fflush(stdout) == EOF )
	{
		error(1, errno, "<stdout>");
		return 1;
	}
	return 0;
}