source: mainline/uspace/app/bdsh/cmds/modules/pwd/pwd.c@ beb6b3d

/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 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.
 *
 * Neither the name of the original program's authors 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 OWNER 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.
 */

#include <stdio.h>
#include <stdlib.h>
#include <mem.h>

#include "config.h"
#include "errors.h"
#include "entry.h"
#include "cmds.h"
#include "pwd.h"

static const char *cmdname = "pwd";

void help_cmd_pwd(unsigned int level)
{
        printf("`%s' prints your current working directory.\n", cmdname);
        return;
}

int cmd_pwd(char *argv[])
{
        char *buff;

        buff = (char *) malloc(PATH_MAX);
        if (NULL == buff) {
                cli_error(CL_ENOMEM, "%s:", cmdname);
                return CMD_FAILURE;
        }

        memset(buff, 0, sizeof(buff));
        getcwd(buff, PATH_MAX);

        if (! buff) {
                cli_error(CL_EFAIL,
                        "Unable to determine the current working directory");
                free(buff);
                return CMD_FAILURE;
        } else {
                printf("%s\n", buff);
                free(buff);
                return CMD_SUCCESS;
        }
}