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Diffstat (limited to 'disk-utils/mkfs.c')
| -rw-r--r-- | disk-utils/mkfs.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/disk-utils/mkfs.c b/disk-utils/mkfs.c new file mode 100644 index 0000000..4254ef0 --- /dev/null +++ b/disk-utils/mkfs.c @@ -0,0 +1,141 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * mkfs A simple generic frontend for the mkfs program + * under Linux. See the manual page for details. + * + * Copyright (C) David Engel, <david@ods.com> + * Copyright (C) Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * Copyright (C) Ron Sommeling, <sommel@sci.kun.nl> + * + * Mon Jul 1 18:52:58 1996: janl@math.uio.no (Nicolai Langfeldt): + * Incorporated fix by Jonathan Kamens <jik@annex-1-slip-jik.cam.ov.com> + * 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL> + * - added Native Language Support + * + */ + +/* + * This command is deprecated. The utility is in maintenance mode, + * meaning we keep them in source tree for backward compatibility + * only. Do not waste time making this command better, unless the + * fix is about security or other very critical issue. + * + * See Documentation/deprecated.txt for more information. + */ + +#include <getopt.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "c.h" +#include "closestream.h" +#include "nls.h" +#include "xalloc.h" + +#ifndef DEFAULT_FSTYPE +#define DEFAULT_FSTYPE "ext2" +#endif + +static void __attribute__((__noreturn__)) usage(void) +{ + FILE *out = stdout; + fputs(USAGE_HEADER, out); + fprintf(out, _(" %s [options] [-t <type>] [fs-options] <device> [<size>]\n"), + program_invocation_short_name); + + fputs(USAGE_SEPARATOR, out); + fputs(_("Make a Linux filesystem.\n"), out); + + fputs(USAGE_OPTIONS, out); + fprintf(out, _(" -t, --type=<type> filesystem type; when unspecified, ext2 is used\n")); + fprintf(out, _(" fs-options parameters for the real filesystem builder\n")); + fprintf(out, _(" <device> path to the device to be used\n")); + fprintf(out, _(" <size> number of blocks to be used on the device\n")); + fprintf(out, _(" -V, --verbose explain what is being done;\n" + " specifying -V more than once will cause a dry-run\n")); + printf(USAGE_HELP_OPTIONS(20)); + + printf(USAGE_MAN_TAIL("mkfs(8)")); + exit(EXIT_SUCCESS); +} + +int main(int argc, char **argv) +{ + char *progname; /* name of executable to be called */ + char *fstype = NULL; + int i, more = 0, verbose = 0; + + enum { VERSION_OPTION = CHAR_MAX + 1 }; + + static const struct option longopts[] = { + {"type", required_argument, NULL, 't'}, + {"version", no_argument, NULL, VERSION_OPTION}, + {"verbose", 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 && !strcmp(argv[1], "-V")) + print_version(EXIT_SUCCESS); + + /* Check commandline options. */ + opterr = 0; + while ((more == 0) + && ((i = getopt_long(argc, argv, "Vt:h", longopts, NULL)) + != -1)) + switch (i) { + case 'V': + verbose++; + break; + case 't': + fstype = optarg; + break; + case 'h': + usage(); + case VERSION_OPTION: + print_version(EXIT_SUCCESS); + default: + optind--; + more = 1; + break; /* start of specific arguments */ + } + if (optind == argc) { + warnx(_("no device specified")); + errtryhelp(EXIT_FAILURE); + } + + /* If -t wasn't specified, use the default */ + if (fstype == NULL) + fstype = DEFAULT_FSTYPE; + + xasprintf(&progname, "mkfs.%s", fstype); + argv[--optind] = progname; + + if (verbose) { + printf(UTIL_LINUX_VERSION); + i = optind; + while (argv[i]) + printf("%s ", argv[i++]); + printf("\n"); + if (verbose > 1) + return EXIT_SUCCESS; + } + + /* Execute the program */ + execvp(progname, argv + optind); + err(EXIT_FAILURE, _("failed to execute %s"), progname); +} |