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f1372d9109
This fixes a number of bugs, adds a bunch of commands, and essentially makes cgpt ready to use as a replacement for gpt. Still to do is to add commands and options that will let it generated intentionally bad partitions, for use in testing. Review URL: http://codereview.chromium.org/2719008
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
// Copyright (c) 2010 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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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "cgptlib_internal.h"
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static void Usage(void)
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{
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printf("\nUsage: %s repair [OPTIONS] DRIVE\n\n"
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"Repair damaged GPT headers and tables.\n\n"
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"Options:\n"
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" -v Verbose\n"
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"\n", progname);
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}
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int cmd_repair(int argc, char *argv[]) {
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struct drive drive;
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int verbose = 0;
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int c;
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int errorcnt = 0;
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opterr = 0; // quiet, you
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while ((c=getopt(argc, argv, ":hv")) != -1)
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{
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switch (c)
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{
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case 'v':
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verbose++;
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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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return CGPT_FAILED;
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}
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if (CGPT_OK != DriveOpen(argv[optind], &drive))
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return CGPT_FAILED;
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int gpt_retval = GptSanityCheck(&drive.gpt);
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if (verbose)
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printf("GptSanityCheck() returned %d: %s\n",
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gpt_retval, GptError(gpt_retval));
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GptRepair(&drive.gpt);
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if (drive.gpt.modified & GPT_MODIFIED_HEADER1)
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printf("Primary Header is updated.\n");
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if (drive.gpt.modified & GPT_MODIFIED_ENTRIES1)
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printf("Primary Entries is updated.\n");
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if (drive.gpt.modified & GPT_MODIFIED_ENTRIES2)
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printf("Secondary Entries is updated.\n");
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if (drive.gpt.modified & GPT_MODIFIED_HEADER2)
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printf("Secondary Header is updated.\n");
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return DriveClose(&drive, 1);
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}
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