1 files changed, 80 insertions, 0 deletions
diff --git a/misc-utils/findfs.c b/misc-utils/findfs.c
new file mode 100644
index 0000000..a437bda
--- /dev/null
+++ b/misc-utils/findfs.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2009 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+
+#include <blkid.h>
+
+#include "nls.h"
+#include "closestream.h"
+#include "c.h"
+
+/* Exit codes used by findfs. */
+#define FINDFS_SUCCESS		0	/* no errors */
+#define FINDFS_NOT_FOUND	1	/* label or uuid cannot be found */
+#define FINDFS_USAGE_ERROR	2	/* user did something unexpected */
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+	FILE *out = stdout;
+	fputs(USAGE_HEADER, out);
+	fprintf(out, _(" %s [options] {LABEL,UUID,PARTUUID,PARTLABEL}=<value>\n"),
+		program_invocation_short_name);
+
+	fputs(USAGE_SEPARATOR, out);
+	fputs(_("Find a filesystem by label or UUID.\n"), out);
+
+	fputs(USAGE_OPTIONS, out);
+	printf(USAGE_HELP_OPTIONS(16));
+	printf(USAGE_MAN_TAIL("findfs(8)"));
+	exit(FINDFS_SUCCESS);
+}
+
+int main(int argc, char **argv)
+{
+	char	*dev;
+	int	c;
+	static const struct option longopts[] = {
+		{"version", no_argument, NULL, 'V'},
+		{"help", no_argument, NULL, 'h'},
+		{NULL, 0, NULL, 0}
+	};
+
+	setlocale(LC_ALL, "");
+	bindtextdomain(PACKAGE, LOCALEDIR);
+	textdomain(PACKAGE);
+	atexit(close_stdout);
+
+	if (argc != 2) {
+		/* we return '2' for backward compatibility
+		 * with version from e2fsprogs */
+		warnx(_("bad usage"));
+		errtryhelp(FINDFS_USAGE_ERROR);
+	}
+
+	while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
+		switch (c) {
+		case 'V':
+			printf(UTIL_LINUX_VERSION);
+			return FINDFS_SUCCESS;
+		case 'h':
+			usage();
+		default:
+			errtryhelp(FINDFS_USAGE_ERROR);
+		}
+
+	dev = blkid_evaluate_tag(argv[1], NULL, NULL);
+	if (!dev)
+		errx(FINDFS_NOT_FOUND, _("unable to resolve '%s'"), argv[1]);
+
+	puts(dev);
+	return FINDFS_SUCCESS;
+}
+