mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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455b119dc0
The debug mode is used to dump GPT headers and entries no matter the
they are valid or not.
BUG=chromium-os:32142
TEST=tested in chroot with the bad secondary entries.
% cgpt show /dev/sda -d
...
976773135 32 INVALID Sec GPT table
282624 968101888 1 Label: "STATE"
Type: Linux data
...
1 1 INVALID Sec GPT header
Sig: [EFI PART]
Rev: 0x00010000
...
Change-Id: Ie54068353b87c9f15915ffb51b8de688e0367975
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/26091
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Commit-Ready: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "cgpt.h"
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#define __STDC_FORMAT_MACROS
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#include <getopt.h>
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#include <inttypes.h>
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#include <string.h>
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#include "cgpt_params.h"
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static void Usage(void)
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{
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printf("\nUsage: %s show [OPTIONS] DRIVE\n\n"
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"Display the GPT table\n\n"
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"Options:\n"
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" -n Numeric output only\n"
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" -v Verbose output\n"
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" -q Quick output\n"
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" -i NUM Show specified partition only - pick one of:\n"
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" -b beginning sector\n"
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" -s partition size\n"
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" -t type guid\n"
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" -u unique guid\n"
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" -l label\n"
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" -S Successful flag\n"
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" -T Tries flag\n"
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" -P Priority flag\n"
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" -A raw 64-bit attribute value\n"
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" -d Debug output (including invalid headers)\n"
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"\n", progname);
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}
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int cmd_show(int argc, char *argv[]) {
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CgptShowParams params;
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memset(¶ms, 0, sizeof(params));
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int c;
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int errorcnt = 0;
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char *e = 0;
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opterr = 0; // quiet, you
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while ((c=getopt(argc, argv, ":hnvqi:bstulSTPAd")) != -1)
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{
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switch (c)
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{
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case 'n':
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params.numeric = 1;
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break;
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case 'v':
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params.verbose = 1;
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break;
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case 'q':
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params.quick = 1;
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break;
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case 'i':
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params.partition = (uint32_t)strtoul(optarg, &e, 0);
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if (!*optarg || (e && *e))
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{
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Error("invalid argument to -%c: \"%s\"\n", c, optarg);
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errorcnt++;
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}
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break;
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case 'b':
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case 's':
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case 't':
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case 'u':
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case 'l':
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case 'S':
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case 'T':
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case 'P':
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case 'A':
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params.single_item = c;
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break;
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case 'd':
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params.debug = 1;
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break;
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case 'h':
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Usage();
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return CGPT_OK;
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case '?':
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Error("unrecognized option: -%c\n", optopt);
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errorcnt++;
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break;
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case ':':
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Error("missing argument to -%c\n", optopt);
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errorcnt++;
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break;
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default:
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errorcnt++;
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break;
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}
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}
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if (errorcnt)
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{
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Usage();
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return CGPT_FAILED;
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}
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if (optind >= argc) {
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Error("missing drive argument\n");
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Usage();
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return CGPT_FAILED;
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}
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params.drive_name = argv[optind];
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return cgpt_show(¶ms);
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}
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