utils

pwd.c (602B)

// Collection of Unix tools, comparable to coreutils
// SPDX-FileCopyrightText: 2017-2022 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
#define _POSIX_C_SOURCE 200809L
#include <stdio.h>  /* puts, perror, printf */
#include <unistd.h> /* getcwd() */
int
main(int argc, char *argv[])
{
	char pwd[BUFSIZ];
	if(argc != 1)
	{
		fprintf(stderr, "usage: pwd\n");
		return 1;
	}
	if(getcwd(pwd, sizeof(pwd)) == NULL)
	{
		perror("getcwd");
		return 1;
	}
	else
	{
		if(puts(pwd) < 0)
		{
			return 1;
		}
		else
		{
			return 0;
		}
	}
}