root/src/bin/unmount.c
/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/

/**     Unmounts a volume */


#include <fs_volume.h>

#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>


static void
usage(const char *programName)
{
        
        printf("usage: %s [-f] <path to volume>\n"
                "\t-f\tforces unmounting in case of open files left\n", programName);
        exit(1);
}


int
main(int argc, char **argv)
{
        const char *programName = argv[0];
        struct stat pathStat;
        const char *path;
        status_t status;
        uint32 flags = 0;

        /* prettify the program name */

        if (strrchr(programName, '/'))
                programName = strrchr(programName, '/') + 1;

        /* get all options */

        while (*++argv) {
                char *arg = *argv;
                if (*arg != '-')
                        break;

                if (!strcmp(++arg, "f"))
                        flags |= B_FORCE_UNMOUNT;
                else
                        usage(programName);
        }

        path = argv[0];

        /* check the arguments */

        if (path == NULL)
                usage(programName);

        if (stat(path, &pathStat) < 0) {
                fprintf(stderr, "%s: The path \"%s\" is not accessible\n", programName, path);
                return 1;
        }

        /* do the work */

        status = fs_unmount_volume(path, flags);
        if (status != B_OK) {
                fprintf(stderr, "%s: unmounting failed: %s\n", programName, strerror(status));
                return 1;
        }

        return 0;
}