diff options
Diffstat (limited to 'disk-utils/addpart.c')
-rw-r--r-- | disk-utils/addpart.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/disk-utils/addpart.c b/disk-utils/addpart.c new file mode 100644 index 0000000..0586104 --- /dev/null +++ b/disk-utils/addpart.c @@ -0,0 +1,76 @@ +/* + * 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. + * + * Copyright (C) 2012-2023 Karel Zak <kzak@redhat.com> + */ +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> + +#include "c.h" +#include "nls.h" +#include "partx.h" +#include "strutils.h" + +static void __attribute__((__noreturn__)) usage(void) +{ + FILE *out = stdout; + fputs(USAGE_HEADER, out); + fprintf(out, _(" %s <disk device> <partition number> <start> <length>\n"), + program_invocation_short_name); + + fputs(USAGE_SEPARATOR, out); + fputs(_("Tell the kernel about the existence of a specified partition.\n"), out); + + fputs(USAGE_OPTIONS, out); + printf(USAGE_HELP_OPTIONS(16)); + printf(USAGE_MAN_TAIL("addpart(8)")); + exit(EXIT_SUCCESS); +} + +int main(int argc, char **argv) +{ + int c, fd; + + static const struct option longopts[] = { + {"help", no_argument, NULL, 'h'}, + {"version", no_argument, NULL, 'V'}, + {NULL, 0, NULL, 0}, + }; + + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + + while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1) + switch (c) { + case 'V': + print_version(EXIT_SUCCESS); + case 'h': + usage(); + default: + errtryhelp(EXIT_FAILURE); + } + + if (argc != 5) { + warnx(_("not enough arguments")); + errtryhelp(EXIT_FAILURE); + } + + if ((fd = open(argv[1], O_RDONLY)) < 0) + err(EXIT_FAILURE, _("cannot open %s"), argv[1]); + + if (partx_add_partition(fd, + strtou32_or_err(argv[2], _("invalid partition number argument")), + strtou64_or_err(argv[3], _("invalid start argument")), + strtou64_or_err(argv[4], _("invalid length argument")))) + err(EXIT_FAILURE, _("failed to add partition")); + + return EXIT_SUCCESS; +} |