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misc-utils/findfs.c
78 строк
2 KB
Benno Schulenberg
correct the full name of the GPL in various files
06 июн 2025, 12:16
06 июн 2025, 12:16
c4b2b66
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/* * Copyright (C) 2009 Karel Zak <kzak@redhat.com> * * This file may be redistributed under the terms of the * GNU General 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); fprintf(out, USAGE_HELP_OPTIONS(16)); fprintf(out, 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); close_stdout_atexit(); 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': print_version(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; }