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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* Copyright 2001, 2002, 2003 David Mansfield and Cobite, Inc.
* See COPYING file for license information
*/
#include <stdio.h>
#include <stdarg.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include "debug.h"
#include "rcsid.h"
#ifdef _WIN32
#include <windows.h>
#endif
RCSID("$Id: debug.c,v 1.14 2001/11/29 00:00:30 amb Exp $");
unsigned int debuglvl = ~0;
static FILE *debug_output_channel[DEBUG_NUM_FACILITIES];
#ifdef MACINTOSH
int ffs( int val )
{
int i = 0;
for( i = 0; i < 32; i++ )
{
if( val & ( 1 << i ) )
return i+1;
}
return 0;
}
#endif
void vdebug(int dtype, const char *fmt, va_list ap)
{
int keep_errno;
char msgbuff[8192];
/* errno could be changed by vsprintf or perror */
keep_errno = errno;
if (debuglvl & dtype)
{
FILE * channel = debug_output_channel[ffs(dtype)];
if (!channel)
channel = stderr;
#ifdef MACINTOSH
vsprintf(msgbuff, fmt, ap);
#else
vsnprintf(msgbuff, sizeof(msgbuff), fmt, ap);
#endif
/* DEBUG_ERROR (aka DEBUG_SYSERROR) */
if (dtype == DEBUG_ERROR)
{
const char * errmsg = "";
#ifndef MACINTOSH
errmsg = strerror(errno);
#endif
fprintf(channel, "%s: %s\n", msgbuff, errmsg);
}
else
fprintf(channel, "%s\n", msgbuff);
fflush(channel);
#ifdef _WIN32
if (dtype == DEBUG_SYSERROR || dtype == DEBUG_APPERROR)
MessageBox(NULL, msgbuff, "Application Error", MB_OK);
#endif
}
errno = keep_errno;
}
void vmdebug(int dtype, const char * fmt, va_list ap)
{
FILE * chn[DEBUG_NUM_FACILITIES];
int i;
memcpy(chn, debug_output_channel, sizeof(FILE*) * DEBUG_NUM_FACILITIES);
for (i = 0; i < DEBUG_NUM_FACILITIES; i++)
if (chn[i] == NULL)
chn[i] = stderr;
for (i = 0; i < DEBUG_NUM_FACILITIES; i++)
{
if ((dtype & (1 << i)) && chn[i])
{
if (debuglvl & (1 << i))
{
int j;
vdebug(1 << i, fmt, ap);
for (j = i + 1; j < DEBUG_NUM_FACILITIES; j++)
if (chn[j] == chn[i])
chn[j] = NULL;
}
}
}
}
/* FIXME: use actual debug output core routine vdebug... */
void hexdump(const char *ptr, int size, const char *fmt, ...)
{
static char hexbuff[49];
static char printbuff[17];
int count = 0;
va_list ap;
if ( !debuglvl & DEBUG_STATUS )
return;
va_start(ap, fmt);
/* print the heading/banner */
vdebug(DEBUG_STATUS, fmt, ap);
memset(hexbuff, 0, 49);
memset(printbuff, 0, 17);
while (size--)
{
sprintf(hexbuff + (count*3), "%02x ", (int)*((unsigned char *)ptr));
if (isprint(*ptr))
printbuff[count] = *ptr;
else
printbuff[count] = '.';
ptr++;
if ( count++ == 15 )
{
count = 0;
debug(DEBUG_STATUS, "%s %s", hexbuff, printbuff);
memset(hexbuff, 0, 49);
memset(printbuff, 0, 17);
}
}
if ( count > 0 ) {
while ( count % 16 != 0 ) {
sprintf(hexbuff + (count * 3), "xx ");
printbuff[count++] = '.';
}
debug(DEBUG_STATUS, "%s %s", hexbuff, printbuff);
}
va_end(ap);
}
void
to_hex( char* dest, const char* src, size_t n )
{
while ( n-- )
{
sprintf( dest, "%02x ", (int)*((unsigned char *)src));
dest += 3;
src++;
}
*dest = 0;
}
void debug_set_error_file(FILE *f)
{
int i;
for (i = 0; i < DEBUG_NUM_FACILITIES; i++)
debug_output_channel[i] = f;
}
void debug_set_error_facility(int fac, FILE * f)
{
int i;
for (i = 0; i < DEBUG_NUM_FACILITIES; i++)
if (!debug_output_channel[i])
debug_output_channel[i] = stderr;
debug_output_channel[ffs(fac)] = f;
}
|
