libmount: add fstab/mtab/mountinfo parsing routines

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 820 insertions, 0 deletions

diff --git a/shlibs/mount/src/tab.c b/shlibs/mount/src/tab.c
new file mode 100644
index 00000000..fd929313
--- /dev/null
+++ b/shlibs/mount/src/tab.c
@@ -0,0 +1,820 @@
+/*
+ * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ *
+ * Note:
+ *	mnt_tab_find_* functions are mount(8) compatible. It means it tries
+ *	to found an entry in more iterations where the first attempt is always
+ *	based on comparison with unmodified (non-canonicalized or un-evaluated)
+ *	paths or tags. For example fstab with two entries:
+ *
+ *		LABEL=foo	/foo	auto   rw
+ *		/dev/foo	/foo	auto   rw
+ *
+ *	where both lines are used for the *same* device, then
+ *
+ *		mnt_tab_find_source(tb, "/dev/foo", &fs);
+ *
+ *	will returns the second line, and
+ *
+ *		mnt_tab_find_source(tb, "LABEL=foo", &fs);
+ *
+ *	will returns the first entry, and
+ *
+ *		mnt_tab_find_source(tb, "UUID=<anyuuid>", &fs);
+ *
+ *	will returns the first entry (if UUID matches with the device).
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <blkid/blkid.h>
+
+#include "nls.h"
+#include "mountP.h"
+
+/**
+ * mnt_new_tab:
+ * @filename: file name or NULL
+ *
+ * The tab is a container for mnt_fs entries that usually represents a fstab,
+ * mtab or mountinfo file from your system.
+ *
+ * Note that this function does not parse the file. See also
+ * mnt_tab_parse_file().
+ *
+ * Returns newly allocated tab struct.
+ */
+mnt_tab *mnt_new_tab(const char *filename)
+{
+	mnt_tab *tb = NULL;
+
+	tb = calloc(1, sizeof(struct _mnt_tab));
+	if (!tb)
+		goto err;
+
+	if (filename) {
+		tb->filename = strdup(filename);
+		if (!tb->filename)
+			goto err;
+	}
+	INIT_LIST_HEAD(&tb->ents);
+	return tb;
+err:
+	free(tb);
+	return NULL;
+}
+
+/**
+ * mnt_free_tab:
+ * @tab: tab pointer
+ *
+ * Deallocates tab struct and all entries.
+ */
+void mnt_free_tab(mnt_tab *tb)
+{
+	if (!tb)
+		return;
+	free(tb->filename);
+
+	while (!list_empty(&tb->ents)) {
+		mnt_fs *fs = list_entry(tb->ents.next, mnt_fs, ents);
+		mnt_free_fs(fs);
+	}
+
+	free(tb);
+}
+
+/**
+ * mnt_tab_get_nents:
+ * @tb: pointer to tab
+ *
+ * Returns number of valid entries in tab.
+ */
+int mnt_tab_get_nents(mnt_tab *tb)
+{
+	assert(tb);
+	return tb ? tb->nents : 0;
+}
+
+/**
+ * mnt_tab_set_cache:
+ * @tb: pointer to tab
+ * @mpc: pointer to mnt_cache instance
+ *
+ * Setups a cache for canonicalized paths and evaluated tags (LABEL/UUID). The
+ * cache is recommended for mnt_tab_find_*() functions.
+ *
+ * The cache could be shared between more tabs. Be careful when you share the
+ * same cache between more threads -- currently the cache does not provide any
+ * locking method.
+ *
+ * See also mnt_new_cache().
+ *
+ * Returns 0 on success or -1 in case of error.
+ */
+int mnt_tab_set_cache(mnt_tab *tb, mnt_cache *mpc)
+{
+	assert(tb);
+	if (!tb)
+		return -1;
+	tb->cache = mpc;
+	return 0;
+}
+
+/**
+ * mnt_tab_get_cache:
+ * @tb: pointer to tab
+ *
+ * Returns pointer to mnt_cache instance or NULL.
+ */
+mnt_cache *mnt_tab_get_cache(mnt_tab *tb)
+{
+	assert(tb);
+	return tb ? tb->cache : NULL;
+}
+
+/**
+ * mnt_tab_get_name:
+ * @tb: tab pointer
+ *
+ * Returns tab filename or NULL.
+ */
+const char *mnt_tab_get_name(mnt_tab *tb)
+{
+	assert(tb);
+	return tb ? tb->filename : NULL;
+}
+
+/**
+ * mnt_tab_add_fs:
+ * @tb: tab pointer
+ * @fs: new entry
+ *
+ * Adds a new entry to tab.
+ *
+ * Returns 0 on success or -1 in case of error.
+ */
+int mnt_tab_add_fs(mnt_tab *tb, mnt_fs *fs)
+{
+	assert(tb);
+	assert(fs);
+
+	if (!tb || !fs)
+		return -1;
+
+	list_add_tail(&fs->ents, &tb->ents);
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: add entry: %s %s\n",
+		tb->filename, mnt_fs_get_source(fs),
+		mnt_fs_get_target(fs)));
+
+	if (fs->flags & MNT_FS_ERROR)
+		tb->nerrs++;
+	else
+		tb->nents++;
+	return 0;
+}
+
+/**
+ * mnt_tab_remove_fs:
+ * @tb: tab pointer
+ * @fs: new entry
+ *
+ * Returns 0 on success or -1 in case of error.
+ */
+int mnt_tab_remove_fs(mnt_tab *tb, mnt_fs *fs)
+{
+	assert(tb);
+	assert(fs);
+
+	if (!tb || !fs)
+		return -1;
+
+	list_del(&fs->ents);
+
+	if (fs->flags & MNT_FS_ERROR)
+		tb->nerrs--;
+	else
+		tb->nents--;
+	return 0;
+}
+
+/**
+ * mnt_tab_next_fs:
+ * @tb: tab pointer
+ * @itr: iterator
+ * @fs: returns the next tab entry
+ *
+ * Returns 0 on success, -1 in case of error or 1 at end of list.
+ *
+ * Example (list all mountpoints from fstab in backward order):
+ *
+ *	mnt_fs *fs;
+ *	mnt_tab *tb = mnt_new_tab("/etc/fstab");
+ *	mnt_iter *itr = mnt_new_iter(MNT_ITER_BACKWARD);
+ *
+ *	mnt_tab_parse_file(tb);
+ *
+ *	while(mnt_tab_next_fs(tb, itr, &fs) == 0) {
+ *		const char *dir = mnt_fs_get_target(fs);
+ *		printf("mount point: %s\n", dir);
+ *	}
+ *	mnt_free_tab(fi);
+ */
+int mnt_tab_next_fs(mnt_tab *tb, mnt_iter *itr, mnt_fs **fs)
+{
+	assert(tb);
+	assert(itr);
+	assert(fs);
+
+	if (!tb || !itr || !fs)
+		return -1;
+again:
+	if (!itr->head)
+		MNT_ITER_INIT(itr, &tb->ents);
+	if (itr->p != itr->head) {
+		MNT_ITER_ITERATE(itr, *fs, struct _mnt_fs, ents);
+		return 0;
+	}
+
+	/* ignore broken entries */
+	if (*fs && ((*fs)->flags & MNT_FS_ERROR))
+		goto again;
+
+	return 1;
+}
+
+/**
+ * mnt_tab_set_iter:
+ * @tb: tab pointer
+ * @itr: iterator
+ * @fs: tab entry
+ *
+ * Sets @iter to the position of @fs in the file @tb.
+ *
+ * Returns 0 on success, -1 in case of error.
+ */
+int mnt_tab_set_iter(mnt_tab *tb, mnt_iter *itr, mnt_fs *fs)
+{
+	assert(tb);
+	assert(itr);
+	assert(fs);
+
+	if (!tb || !itr || !fs)
+		return -1;
+
+	MNT_ITER_INIT(itr, &tb->ents);
+	itr->p = &fs->ents;
+
+	return 0;
+}
+
+/**
+ * mnt_tab_find_target:
+ * @tb: tab pointer
+ * @path: mountpoint directory
+ * @direction: MNT_ITER_{FORWARD,BACKWARD}
+ *
+ * Try to lookup an entry in given tab, possible are three iterations, first
+ * with @path, second with realpath(@path) and third with realpath(@path)
+ * against realpath(fs->target). The 2nd and 3rd iterations are not performed
+ * when @tb cache is not set (see mnt_tab_set_cache()).
+ *
+ * Returns a tab entry or NULL.
+ */
+mnt_fs *mnt_tab_find_target(mnt_tab *tb, const char *path, int direction)
+{
+	mnt_iter itr;
+	mnt_fs *fs = NULL;
+	char *cn;
+
+	assert(tb);
+	assert(path);
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: lookup target: %s\n", tb->filename, path));
+
+	/* native @target */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0)
+		if (fs->target && strcmp(fs->target, path) == 0)
+			return fs;
+
+	if (!tb->cache || !(cn = mnt_resolve_path(path, tb->cache)))
+		return NULL;
+
+	/* canonicalized paths in mnt_tab */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		if (fs->target && strcmp(fs->target, cn) == 0)
+			return fs;
+	}
+
+	/* non-canonicaled path in mnt_tab */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		char *p;
+		if (!fs->target)
+		       continue;
+		p = mnt_resolve_path(fs->target, tb->cache);
+		if (strcmp(cn, p) == 0)
+			return fs;
+	}
+	return NULL;
+}
+
+/**
+ * mnt_tab_find_srcpath:
+ * @tb: tab pointer
+ * @path: source path (devname or dirname)
+ * @direction: MNT_ITER_{FORWARD,BACKWARD}
+ *
+ * Try to lookup an entry in given tab, possible are four iterations, first
+ * with @path, second with realpath(@path), third with tags (LABEL, UUID, ..)
+ * from @path and fourth with realpath(@path) against realpath(entry->srcpath).
+ *
+ * The 2nd, 3rd and 4th iterations are not performed when @tb cache is not
+ * set (see mnt_tab_set_cache()).
+ *
+ * Returns a tab entry or NULL.
+ */
+mnt_fs *mnt_tab_find_srcpath(mnt_tab *tb, const char *path, int direction)
+{
+	mnt_iter itr;
+	mnt_fs *fs = NULL;
+	int ntags = 0;
+	char *cn;
+	const char *p;
+
+	assert(tb);
+	assert(path);
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: lookup srcpath: %s\n", tb->filename, path));
+
+	/* native paths */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		p = mnt_fs_get_srcpath(fs);
+		if (p && strcmp(p, path) == 0)
+			return fs;
+		if (!p)
+			/* mnt_fs_get_srcpath() returs nothing, it's TAG */
+			ntags++;
+	}
+
+	if (!tb->cache || !(cn = mnt_resolve_path(path, tb->cache)))
+		return NULL;
+
+	/* canonicalized paths in mnt_tab */
+	if (ntags < mnt_tab_get_nents(tb)) {
+		mnt_reset_iter(&itr, direction);
+		while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+			p = mnt_fs_get_srcpath(fs);
+			if (p && strcmp(p, cn) == 0)
+				return fs;
+		}
+	}
+
+	/* evaluated tag */
+	if (ntags && mnt_cache_read_tags(tb->cache, cn) > 0) {
+		mnt_reset_iter(&itr, direction);
+		while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+			const char *t, *v;
+
+			if (mnt_fs_get_tag(fs, &t, &v))
+				continue;
+
+			if (mnt_cache_device_has_tag(tb->cache, cn, t, v))
+				return fs;
+		}
+	}
+
+	/* non-canonicalized paths in mnt_tab */
+	if (ntags <= mnt_tab_get_nents(tb)) {
+		mnt_reset_iter(&itr, direction);
+		while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+			p = mnt_fs_get_srcpath(fs);
+			if (p)
+				p = mnt_resolve_path(p, tb->cache);
+			if (p && strcmp(cn, p) == 0)
+				return fs;
+		}
+	}
+
+	return NULL;
+}
+
+
+/**
+ * mnt_tab_find_tag:
+ * @tb: tab pointer
+ * @tag: tag name (e.g "LABEL", "UUID", ...)
+ * @val: tag value
+ * @direction: MNT_ITER_{FORWARD,BACKWARD}
+ *
+ * Try to lookup an entry in given tab, first attempt is lookup by @tag and
+ * @val, for the second attempt the tag is evaluated (converted to the device
+ * name) and mnt_tab_find_srcpath() is preformed. The second attempt is not
+ * performed when @tb cache is not set (see mnt_tab_set_cache()).
+
+ * Returns a tab entry or NULL.
+ */
+mnt_fs *mnt_tab_find_tag(mnt_tab *tb, const char *tag,
+			const char *val, int direction)
+{
+	mnt_iter itr;
+	mnt_fs *fs = NULL;
+
+	assert(tb);
+	assert(tag);
+	assert(val);
+
+	if (!tb || !tag || !val)
+		return NULL;
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: lookup by TAG: %s %s\n", tb->filename, tag, val));
+
+	/* look up by TAG */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		if (fs->tagname && fs->tagval &&
+		    strcmp(fs->tagname, tag) == 0 &&
+		    strcmp(fs->tagval, val) == 0)
+			return fs;
+	}
+
+	if (tb->cache) {
+		/* look up by device name */
+		char *cn = mnt_resolve_tag(tag, val, tb->cache);
+		if (cn)
+			return mnt_tab_find_srcpath(tb, cn, direction);
+	}
+	return NULL;
+}
+
+/**
+ * mnt_tab_find_source:
+ * @tb: tab pointer
+ * @source: TAG or path
+ *
+ * This is high-level API for mnt_tab_find_{srcpath,tag}. You needn't to care
+ * about @source format (device, LABEL, UUID, ...). This function parses @source
+ * and calls mnt_tab_find_tag() or mnt_tab_find_srcpath().
+ *
+ * Returns a tab entry or NULL.
+ */
+mnt_fs *mnt_tab_find_source(mnt_tab *tb, const char *source, int direction)
+{
+	mnt_fs *fs = NULL;
+
+	assert(tb);
+	assert(source);
+
+	if (!tb || !source)
+		return NULL;
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: lookup SOURCE: %s\n", tb->filename, source));
+
+	if (strchr(source, '=')) {
+		char *tag, *val;
+
+		if (blkid_parse_tag_string(source, &tag, &val) == 0) {
+
+			fs = mnt_tab_find_tag(tb, tag, val, direction);
+
+			free(tag);
+			free(val);
+		}
+	} else
+		fs = mnt_tab_find_srcpath(tb, source, direction);
+
+	return fs;
+}
+
+/**
+ * mnt_tab_find_pair:
+ * @tb: tab pointer
+ * @srcpath: canonicalized source path (devname or dirname)
+ * @target: canonicalized mountpoint
+ * @direction: MNT_ITER_{FORWARD,BACKWARD}
+ *
+ * Returns a tab entry or NULL.
+ */
+mnt_fs *mnt_tab_find_pair(mnt_tab *tb, const char *srcpath,
+			const char *target, int direction)
+{
+	mnt_iter itr;
+	mnt_fs *fs;
+	int has_tags = -1;
+	const char *p;
+
+	assert(tb);
+	assert(srcpath);
+	assert(target);
+
+	DBG(DEBUG_TAB, fprintf(stderr,
+		"libmount: %s: lookup pair: srcpath(%s) target(%s)\n",
+		tb->filename, srcpath, target));
+
+	/* native paths */
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		if (!fs->target || strcmp(fs->target, target))
+			continue;
+		p = mnt_fs_get_srcpath(fs);
+		if (p && strcmp(p, srcpath) == 0)
+			return fs;
+	}
+
+	if (!tb->cache)
+		return NULL;
+
+	mnt_reset_iter(&itr, direction);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		const char *src;
+
+		if (!fs->target)
+			continue;
+
+		/* canonicalized or non-canonicalied target */
+		if (strcmp(fs->target, target)) {
+			p = mnt_resolve_path(fs->target, tb->cache);
+			if (!p || strcmp(p, target))
+				continue;
+		}
+
+		src = mnt_fs_get_srcpath(fs);
+		if (src) {
+			/* canonicalized or non-canonicalied srcpath */
+			if (strcmp(src, srcpath)) {
+				p = mnt_resolve_path(src, tb->cache);
+				if (!p || strcmp(p, srcpath))
+					continue;
+			}
+		} else if (has_tags != 0) {
+			/* entry source is tag */
+			const char *t, *v;
+
+			if (mnt_fs_get_tag(fs, &t, &v))
+				continue;
+			if (has_tags == -1 &&
+			    mnt_cache_read_tags(tb->cache, srcpath)) {
+				has_tags = 0;
+				continue;
+			}
+			has_tags = 1;
+			if (!mnt_cache_device_has_tag(tb->cache, srcpath, t, v))
+				continue;
+		} else
+			continue;
+
+		return fs;
+	}
+	return NULL;
+}
+
+/**
+ * mnt_tab_fprintf:
+ * @f: FILE
+ * @fmt: per line printf-like format string (see MNT_MFILE_PRINTFMT)
+ * @tb: tab pointer
+ *
+ * Returns 0 on success, -1 in case of error.
+ */
+int mnt_tab_fprintf(mnt_tab *tb, FILE *f, const char *fmt)
+{
+	mnt_iter itr;
+	mnt_fs *fs;
+
+	assert(f);
+	assert(fmt);
+	assert(tb);
+
+	if (!f || !fmt || !tb)
+		return -1;
+
+	mnt_reset_iter(&itr, MNT_ITER_FORWARD);
+	while(mnt_tab_next_fs(tb, &itr, &fs) == 0) {
+		if (mnt_fs_fprintf(fs, f, fmt) == -1)
+			return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * mnt_tab_update_file
+ * @tb: tab pointer
+ *
+ * Writes tab to disk. Don't forget to lock the file (see mnt_lock()).
+ *
+ * Returns 0 on success, -1 in case of error.
+ */
+int mnt_tab_update_file(mnt_tab *tb)
+{
+	FILE *f = NULL;
+	char tmpname[PATH_MAX];
+	const char *filename;
+	struct stat st;
+	int fd;
+
+	assert(tb);
+	if (!tb)
+		goto error;
+
+	filename = mnt_tab_get_name(tb);
+	if (!filename)
+		goto error;
+
+	if (snprintf(tmpname, sizeof(tmpname), "%s.tmp", filename)
+						>= sizeof(tmpname))
+		goto error;
+
+	f = fopen(tmpname, "w");
+	if (!f)
+		goto error;
+
+	if (mnt_tab_fprintf(tb, f, MNT_MFILE_PRINTFMT) != 0)
+		goto error;
+
+	fd = fileno(f);
+
+	if (fchmod(fd, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH) < 0)
+		goto error;
+
+	/* Copy uid/gid from the present file before renaming. */
+	if (stat(filename, &st) == 0) {
+		if (fchown(fd, st.st_uid, st.st_gid) < 0)
+			goto error;
+	}
+
+	fclose(f);
+	f = NULL;
+
+	if (rename(tmpname, filename) < 0)
+		goto error;
+
+	return 0;
+error:
+	if (f)
+		fclose(f);
+	return -1;
+}
+
+#ifdef TEST_PROGRAM
+int test_strerr(struct mtest *ts, int argc, char *argv[])
+{
+	char buf[BUFSIZ];
+	mnt_tab *tb;
+	int i;
+
+	tb = mnt_new_tab("-test-");
+	if (!tb)
+		goto err;
+
+	for (i = 0; i < 10; i++) {
+		mnt_fs *fs = mnt_new_fs();
+		if (!fs)
+			goto err;
+		if (i % 2)
+			fs->flags |= MNT_FS_ERROR;	/* mark entry as broken */
+		fs->lineno = i+1;
+		mnt_tab_add_fs(tb, fs);
+	}
+
+	printf("\tadded %d valid lines\n", mnt_tab_get_nents(tb));
+	printf("\tadded %d broken lines\n", mnt_tab_get_nerrs(tb));
+
+	if (!mnt_tab_get_nerrs(tb))		/* report broken entries */
+		goto err;
+	mnt_tab_strerror(tb, buf, sizeof(buf));
+	printf("\t%s\n", buf);
+
+	mnt_free_tab(tb);
+	return 0;
+err:
+	return -1;
+}
+
+mnt_tab *create_tab(const char *file)
+{
+	mnt_tab *tb;
+
+	if (!file)
+		return NULL;
+	tb = mnt_new_tab(file);
+	if (!tb)
+		goto err;
+	if (mnt_tab_parse_file(tb) != 0)
+		goto err;
+	if (mnt_tab_get_nerrs(tb)) {
+		char buf[BUFSIZ];
+		mnt_tab_strerror(tb, buf, sizeof(buf));
+		fprintf(stderr, "%s\n", buf);
+		goto err;
+	}
+	return tb;
+err:
+	mnt_free_tab(tb);
+	return NULL;
+}
+
+int test_parse(struct mtest *ts, int argc, char *argv[])
+{
+	mnt_tab *tb;
+
+	tb = create_tab(argv[1]);
+	if (!tb)
+		return -1;
+
+	mnt_tab_fprintf(tb, stdout, MNT_MFILE_PRINTFMT);
+	mnt_free_tab(tb);
+	return 0;
+}
+
+int test_find(struct mtest *ts, int argc, char *argv[], int dr)
+{
+	mnt_tab *tb;
+	mnt_fs *fs = NULL;
+	mnt_cache *mpc;
+	const char *file, *find, *what;
+
+	if (argc != 4) {
+		fprintf(stderr, "try --help\n");
+		goto err;
+	}
+
+	file = argv[1], find = argv[2], what = argv[3];
+
+	tb = create_tab(file);
+	if (!tb)
+		goto err;
+
+	/* create a cache for canonicalized paths */
+	mpc = mnt_new_cache();
+	if (!mpc)
+		goto err;
+	mnt_tab_set_cache(tb, mpc);
+
+	if (strcasecmp(find, "source") == 0)
+		fs = mnt_tab_find_source(tb, what, dr);
+	else if (strcasecmp(find, "target") == 0)
+		fs = mnt_tab_find_target(tb, what, dr);
+
+	if (!fs)
+		fprintf(stderr, "%s: not found %s '%s'\n", file, find, what);
+	else {
+		const char *s = mnt_fs_get_srcpath(fs);
+		if (s)
+			printf("%s", s);
+		else {
+			const char *tag, *val;
+			mnt_fs_get_tag(fs, &tag, &val);
+			printf("%s=%s", tag, val);
+		}
+		printf("|%s|%s\n", mnt_fs_get_target(fs),
+				mnt_fs_get_optstr(fs));
+	}
+	mnt_free_tab(tb);
+	mnt_free_cache(mpc);
+	return 0;
+err:
+	return -1;
+}
+
+int test_find_bw(struct mtest *ts, int argc, char *argv[])
+{
+	return test_find(ts, argc, argv, MNT_ITER_BACKWARD);
+}
+
+int test_find_fw(struct mtest *ts, int argc, char *argv[])
+{
+	return test_find(ts, argc, argv, MNT_ITER_FORWARD);
+}
+
+int main(int argc, char *argv[])
+{
+	struct mtest tss[] = {
+	{ "--strerror", test_strerr,       "        test tab error reporting" },
+	{ "--parse",    test_parse,        "<file>  parse and print tab" },
+	{ "--find-forward",  test_find_fw, "<file> <source|target> <string>" },
+	{ "--find-backward", test_find_bw, "<file> <source|target> <string>" },
+	{ NULL }
+	};
+
+	return mnt_run_test(tss, argc, argv);
+}
+
+#endif /* TEST_PROGRAM */