/*
 * pwd - print working directory
 *
 * Gunnar Ritter, Freiburg i. Br., Germany, June 2005.
 */
/*
 * Copyright (c) 2005 Gunnar Ritter
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute
 * it freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */

#if __GNUC__ >= 3 && __GNUC_MINOR__ >= 4 || __GNUC__ >= 4
#define	USED	__attribute__ ((used))
#elif defined __GNUC__
#define	USED	__attribute__ ((unused))
#else
#define	USED
#endif
static const char sccsid[] USED = "@(#)pwd.sl	1.1 (gritter) 6/29/05";

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>

int
main(int argc, char **argv)
{
	size_t	size = 0;
	char	*buf = NULL, *cwd = NULL;

	do {
		if ((buf = realloc(buf, size += 256)) == NULL)
			break;
	} while ((cwd = getcwd(buf, size)) == NULL && errno == ERANGE);
	if (cwd == NULL) {
		fputs("cannot determine current directory\n", stderr);
		return 1;
	}
	puts(cwd);
	return 0;
}