| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #define __STDC_FORMAT_MACROS |
| #include <getopt.h> |
| #include <inttypes.h> |
| #include <string.h> |
| |
| #include "cgpt.h" |
| #include "vboot_host.h" |
| |
| extern const char* progname; |
| |
| static void Usage(void) |
| { |
| printf("\nUsage: %s show [OPTIONS] DRIVE\n\n" |
| "Display the GPT table\n\n" |
| "Options:\n" |
| " -D NUM Size (in bytes) of the disk where partitions reside\n" |
| " default 0, meaning partitions and GPT structs are\n" |
| " both on DRIVE\n" |
| " -n Numeric output only\n" |
| " -v Verbose output\n" |
| " -q Quick output\n" |
| " -i NUM Show specified partition only - pick one of:\n" |
| " -b beginning sector\n" |
| " -s partition size\n" |
| " -t type guid\n" |
| " -u unique guid\n" |
| " -l label\n" |
| " -S Successful flag\n" |
| " -T Tries flag\n" |
| " -P Priority flag\n" |
| " -B Legacy Boot flag\n" |
| " -A raw 16-bit attribute value (bits 48-63)\n" |
| " -d Debug output (including invalid headers)\n" |
| "\n", progname); |
| } |
| |
| int cmd_show(int argc, char *argv[]) { |
| CgptShowParams params; |
| memset(¶ms, 0, sizeof(params)); |
| |
| int c; |
| int errorcnt = 0; |
| char *e = 0; |
| |
| opterr = 0; // quiet, you |
| while ((c=getopt(argc, argv, ":hnvqi:bstulSTPBAdD:")) != -1) |
| { |
| switch (c) |
| { |
| case 'D': |
| params.drive_size = strtoull(optarg, &e, 0); |
| errorcnt += check_int_parse(c, e); |
| break; |
| case 'n': |
| params.numeric = 1; |
| break; |
| case 'v': |
| params.verbose = 1; |
| break; |
| case 'q': |
| params.quick = 1; |
| break; |
| case 'i': |
| params.partition = (uint32_t)strtoul(optarg, &e, 0); |
| errorcnt += check_int_parse(c, e); |
| break; |
| case 'b': |
| case 's': |
| case 't': |
| case 'u': |
| case 'l': |
| case 'S': |
| case 'T': |
| case 'P': |
| case 'B': |
| case 'A': |
| params.single_item = c; |
| break; |
| |
| case 'd': |
| params.debug = 1; |
| break; |
| |
| case 'h': |
| Usage(); |
| return CGPT_OK; |
| case '?': |
| Error("unrecognized option: -%c\n", optopt); |
| errorcnt++; |
| break; |
| case ':': |
| Error("missing argument to -%c\n", optopt); |
| errorcnt++; |
| break; |
| default: |
| errorcnt++; |
| break; |
| } |
| } |
| if (errorcnt) |
| { |
| Usage(); |
| return CGPT_FAILED; |
| } |
| |
| if (optind >= argc) { |
| Error("missing drive argument\n"); |
| Usage(); |
| return CGPT_FAILED; |
| } |
| |
| params.drive_name = argv[optind]; |
| |
| return CgptShow(¶ms); |
| } |