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/*	sh - the standard command language interpreter
 *	Copyright (C) 2022 Ferass EL HAFIDI
 *	
 *	Redistribution and use in source and binary forms, with or without 
 *	modification, are permitted provided that the following conditions are met:
 *	
 *	    1. Redistributions of source code must retain the above copyright notice, 
 *	       this list of conditions and the following disclaimer.
 *	    2. Redistributions in binary form must reproduce the above copyright 
 *	       notice, this list of conditions and the following disclaimer in the 
 *	       documentation and/or other materials provided with the distribution.
 *	    3. Neither the name of the copyright holder nor the names of its 
 *	       contributors may be used to endorse or promote products derived from 
 *	       this software without specific prior written permission.
 *	
 *	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 *	AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 *	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 *	ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
 *	LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 *	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 *	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 *	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 *	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 *	POSSIBILITY OF SUCH DAMAGE.
 */

/* POSIX Header Files */
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>

/* sh Header Files */
#include "commands.h"

int builtin_cd(int argc, char *argv[]);

/* *** COMMANDS *** */

/* cd - change directory */

int builtin_cd(int argc, char *argv[]) {
	if (argc > 1 && chdir(argv[1]) == -1 && errno) {
		printf("sh: cd: %s\n", strerror(errno));
		return errno;
	}
	return 0;
}