45 lines
805 B
C
45 lines
805 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Match fstypes for use in mount unmount
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* We accept notmpfs,nfs but not notmpfs,nonfs
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* This allows us to match fstypes that start with no like so
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* mount -at ,noddy
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*
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* Returns 0 for a match, otherwise -1
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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int match_fstype(const struct mntent *mt, const char *fstype)
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{
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int no = 0;
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int len;
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if (!mt)
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return -1;
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if (!fstype)
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return 0;
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if (fstype[0] == 'n' && fstype[1] == 'o') {
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no = -1;
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fstype += 2;
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}
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len = strlen(mt->mnt_type);
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while (fstype) {
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if (!strncmp(mt->mnt_type, fstype, len)
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&& (!fstype[len] || fstype[len] == ',')
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) {
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return no;
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}
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fstype = strchr(fstype, ',');
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if (fstype)
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fstype++;
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}
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return -(no + 1);
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}
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