source: MondoRescue/branches/3.0/mindi-busybox/libbb/match_fstype.c@ 2899

/* vi: set sw=4 ts=4: */
/*
 * Match fstypes for use in mount unmount
 * We accept notmpfs,nfs but not notmpfs,nonfs
 * This allows us to match fstypes that start with no like so
 *   mount -at ,noddy
 *
 * Returns 1 for a match, otherwise 0
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */

#include "libbb.h"

int FAST_FUNC match_fstype(const struct mntent *mt, const char *t_fstype)
{
    int match = 1;
    int len;

    if (!t_fstype)
        return match;

    if (t_fstype[0] == 'n' && t_fstype[1] == 'o') {
        match--;
        t_fstype += 2;
    }

    len = strlen(mt->mnt_type);
    while (1) {
        if (strncmp(mt->mnt_type, t_fstype, len) == 0
         && (t_fstype[len] == '\0' || t_fstype[len] == ',')
        ) {
            return match;
        }
        t_fstype = strchr(t_fstype, ',');
        if (!t_fstype)
            break;
        t_fstype++;
    }

    return !match;
}