1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* Copyright (c) 2010 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.
*
* Utility for ChromeOS-specific GPT partitions, Please see corresponding .c
* files for more details.
*/
#include "cgpt.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
const char* progname;
const char* command;
struct {
const char *name;
int (*fp)(int argc, char *argv[]);
const char *comment;
} cmds[] = {
{"create", cmd_create, "Create or reset GPT headers and tables"},
{"add", cmd_add, "Add, edit or remove a partition entry"},
{"show", cmd_show, "Show partition table and entries"},
{"repair", cmd_repair, "Repair damaged GPT headers and tables"},
{"boot", cmd_boot, "Edit the PMBR sector for legacy BIOSes"},
{"find", cmd_find, "Locate a partition by its GUID"},
};
void Usage(void) {
int i;
printf("Usage: %s COMMAND [OPTIONS] DRIVE\n\n"
"Supported COMMANDs:\n\n",
progname);
for (i = 0; i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
printf(" %-10s %s\n", cmds[i].name, cmds[i].comment);
}
printf("\nFor more detailed usage, use %s COMMAND -h\n\n", progname);
}
int main(int argc, char *argv[]) {
int i;
progname = strrchr(argv[0], '/');
if (progname)
progname++;
else
progname = argv[0];
if (argc < 2) {
Usage();
return CGPT_FAILED;
}
// increment optind now, so that getopt skips argv[0] in command function
command = argv[optind++];
// Find the command to invoke.
for (i = 0; command && i < sizeof(cmds)/sizeof(cmds[0]); ++i) {
if (0 == strcmp(cmds[i].name, command)) {
return cmds[i].fp(argc, argv);
}
}
// Couldn't find the command.
Usage();
return CGPT_FAILED;
}
|
