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-rw-r--r--misc-utils/findfs.c80
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;
+}
+