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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* print_version.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "common.h"
#include <stdio.h>
#if defined(_WIN32) || defined(__WINDOWS__)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#else
#include <errno.h>
#include <string.h>
#endif
void sqfs_perror(const char *file, const char *action, int error_code)
{
const char *errstr;
#if defined(_WIN32) || defined(__WINDOWS__)
DWORD syserror = GetLastError();
#else
int syserror = errno;
#endif
switch (error_code) {
case SQFS_ERROR_ALLOC:
errstr = "out of memory";
break;
case SQFS_ERROR_IO:
errstr = "I/O error";
break;
case SQFS_ERROR_COMPRESSOR:
errstr = "internal compressor error";
break;
case SQFS_ERROR_INTERNAL:
errstr = "internal error";
break;
case SQFS_ERROR_CORRUPTED:
errstr = "data corrupted";
break;
case SQFS_ERROR_UNSUPPORTED:
errstr = "unknown or not supported";
break;
case SQFS_ERROR_OVERFLOW:
errstr = "numeric overflow";
break;
case SQFS_ERROR_OUT_OF_BOUNDS:
errstr = "location out of bounds";
break;
case SFQS_ERROR_SUPER_MAGIC:
errstr = "wrong magic value in super block";
break;
case SFQS_ERROR_SUPER_VERSION:
errstr = "wrong squashfs version in super block";
break;
case SQFS_ERROR_SUPER_BLOCK_SIZE:
errstr = "invalid block size specified in super block";
break;
case SQFS_ERROR_NOT_DIR:
errstr = "target is not a directory";
break;
case SQFS_ERROR_NO_ENTRY:
errstr = "no such file or directory";
break;
case SQFS_ERROR_LINK_LOOP:
errstr = "hard link loop detected";
break;
case SQFS_ERROR_NOT_FILE:
errstr = "target is not a file";
break;
case SQFS_ERROR_ARG_INVALID:
errstr = "invalid argument";
break;
case SQFS_ERROR_SEQUENCE:
errstr = "illegal oder of operations";
break;
default:
errstr = "libsquashfs returned an unknown error code";
break;
}
if (file != NULL)
fprintf(stderr, "%s: ", file);
if (action != NULL)
fprintf(stderr, "%s: ", action);
fprintf(stderr, "%s.\n", errstr);
if (error_code == SQFS_ERROR_IO) {
#if defined(_WIN32) || defined(__WINDOWS__)
LPVOID msg = NULL;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, syserror,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&msg, 0, NULL);
fprintf(stderr, "OS error: %s\n", (const char *)msg);
if (msg != NULL)
LocalFree(msg);
#else
fprintf(stderr, "OS error: %s\n", strerror(syserror));
#endif
}
}
|
