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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* debug.c
* contains utilitary functions for debugging
*
* Copyright (c) 2008 Jonathan Beck All Rights Reserved.
* Copyright (c) 2010 Martin S. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdarg.h>
#define _GNU_SOURCE 1
#define __USE_GNU 1
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <time.h>
#include "debug.h"
#include "libimobiledevice/libimobiledevice.h"
#include "src/idevice.h"
#ifndef STRIP_DEBUG_CODE
#include "asprintf.h"
#endif
#define MAX_PRINT_LEN 16*1024
int debug_level = 0;
/**
* Sets the level of debugging. Currently the only acceptable values are 0 and
* 1.
*
* @param level Set to 0 for no debugging or 1 for debugging.
*/
LIBIMOBILEDEVICE_API void idevice_set_debug_level(int level)
{
debug_level = level;
}
#ifndef STRIP_DEBUG_CODE
static void debug_print_line(const char *func, const char *file, int line, const char *buffer)
{
char *str_time = NULL;
char *header = NULL;
time_t the_time;
time(&the_time);
str_time = (char*)malloc(255);
strftime(str_time, 254, "%H:%M:%S", localtime (&the_time));
/* generate header text */
(void)asprintf(&header, "%s %s:%d %s()", str_time, file, line, func);
free (str_time);
/* trim ending newlines */
/* print header */
printf ("%s: ", header);
/* print actual debug content */
printf ("%s\n", buffer);
/* flush this output, as we need to debug */
fflush (stdout);
free (header);
}
#endif
void debug_info_real(const char *func, const char *file, int line, const char *format, ...)
{
#ifndef STRIP_DEBUG_CODE
va_list args;
char *buffer = NULL;
if (!debug_level)
return;
/* run the real fprintf */
va_start(args, format);
(void)vasprintf(&buffer, format, args);
va_end(args);
debug_print_line(func, file, line, buffer);
free(buffer);
#endif
}
void debug_buffer(const char *data, const int length)
{
#ifndef STRIP_DEBUG_CODE
int i;
int j;
unsigned char c;
if (debug_level) {
for (i = 0; i < length; i += 16) {
fprintf(stderr, "%04x: ", i);
for (j = 0; j < 16; j++) {
if (i + j >= length) {
fprintf(stderr, " ");
continue;
}
fprintf(stderr, "%02x ", *(data + i + j) & 0xff);
}
fprintf(stderr, " | ");
for (j = 0; j < 16; j++) {
if (i + j >= length)
break;
c = *(data + i + j);
if ((c < 32) || (c > 127)) {
fprintf(stderr, ".");
continue;
}
fprintf(stderr, "%c", c);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
#endif
}
void debug_buffer_to_file(const char *file, const char *data, const int length)
{
#ifndef STRIP_DEBUG_CODE
if (debug_level) {
FILE *f = fopen(file, "wb");
fwrite(data, 1, length, f);
fflush(f);
fclose(f);
}
#endif
}
void debug_plist_real(const char *func, const char *file, int line, plist_t plist)
{
#ifndef STRIP_DEBUG_CODE
if (!plist)
return;
char *buffer = NULL;
uint32_t length = 0;
plist_to_xml(plist, &buffer, &length);
/* get rid of ending newline as one is already added in the debug line */
if (buffer[length-1] == '\n')
buffer[length-1] = '\0';
if (length <= MAX_PRINT_LEN)
debug_info_real(func, file, line, "printing %i bytes plist:\n%s", length, buffer);
else
debug_info_real(func, file, line, "supress printing %i bytes plist...\n", length);
free(buffer);
#endif
}
|
