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
|
/* This work is copyrighted. See COPYRIGHT.OLD & COPYRIGHT.NEW for *
* details. If they are missing then this copy is in violation of *
* the copyright conditions. */
/*
* lib_trace.c - Tracing/Debugging routines
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <errno.h>
#include "curses.priv.h"
#include "terminfo.h"
#if defined(BRAINDEAD)
extern int errno;
#endif
int _tracing = 0;
static int tracefd;
void _tracef(char *fmt, ...);
void _init_trace()
{
static int been_here = 0;
if (! been_here) {
been_here = 1;
if ((tracefd = creat("trace", 0644)) < 0) {
write(2, "curses: Can't open 'trace' file: ", 33);
write(2, strerror(errno), strlen(strerror(errno)));
write(2, "\n", 1);
exit(1);
}
_tracef("TRACING NCURSES version %s", NCURSES_VERSION);
}
}
void trace(const unsigned int tracelevel)
{
_tracing = tracelevel;
}
char *_traceattr(int newmode)
{
static char buf[BUFSIZ];
struct {unsigned int val; char *name;}
names[] =
{
{A_STANDOUT, "A_STANDOUT, ",},
{A_UNDERLINE, "A_UNDERLINE, ",},
{A_REVERSE, "A_REVERSE, ",},
{A_BLINK, "A_BLINK, ",},
{A_DIM, "A_DIM, ",},
{A_BOLD, "A_BOLD, ",},
{A_ALTCHARSET, "A_ALTCHARSET, ",},
{A_INVIS, "A_INVIS, ",},
{A_PROTECT, "A_PROTECT, ",},
{A_CHARTEXT, "A_CHARTEXT, ",},
{A_NORMAL, "A_NORMAL, ",},
},
colors[] =
{
{COLOR_BLACK, "COLOR_BLACK",},
{COLOR_RED, "COLOR_RED",},
{COLOR_GREEN, "COLOR_GREEN",},
{COLOR_YELLOW, "COLOR_YELLOW",},
{COLOR_BLUE, "COLOR_BLUE",},
{COLOR_MAGENTA, "COLOR_MAGENTA",},
{COLOR_CYAN, "COLOR_CYAN",},
{COLOR_WHITE, "COLOR_WHITE",},
},
*sp;
strcpy(buf, "{");
for (sp = names; sp->val; sp++)
if (newmode & sp->val)
strcat(buf, sp->name);
if (newmode & A_COLOR)
{
int pairnum = PAIR_NUMBER(newmode);
(void) sprintf(buf + strlen(buf),
"COLOR_PAIR(%d) = (%s, %s), ",
pairnum,
colors[FG(color_pairs[pairnum])].name,
colors[BG(color_pairs[pairnum])].name
);
}
if ((newmode & A_ATTRIBUTES) == 0)
strcat(buf,"A_NORMAL, ");
if (buf[strlen(buf) - 2] == ',')
buf[strlen(buf) - 2] = '\0';
return(strcat(buf,"}"));
}
char *visbuf(const char *buf)
/* visibilize a given string */
{
static char vbuf[BUFSIZ];
char *tp = vbuf;
while (*buf)
{
if (isprint(*buf) || *buf == ' ')
*tp++ = *buf++;
else if (*buf == '\n')
{
*tp++ = '\\'; *tp++ = 'n';
buf++;
}
else if (*buf == '\r')
{
*tp++ = '\\'; *tp++ = 'r';
buf++;
}
else if (*buf == '\b')
{
*tp++ = '\\'; *tp++ = 'b';
buf++;
}
else if (*buf == '\033')
{
*tp++ = '\\'; *tp++ = 'e';
buf++;
}
else if (*buf < ' ')
{
*tp++ = '\\'; *tp++ = '^'; *tp++ = '@' + *buf;
buf++;
}
else
{
(void) sprintf(tp, "\\0x%02x", *buf++);
tp += strlen(tp);
}
}
*tp++ = '\0';
return(vbuf);
}
char *_tracechar(const unsigned char ch)
{
static char crep[20];
/*
* We can show the actual character if it's either an ordinary printable
* or one of the high-half characters.
*/
if (isprint(ch) || (ch & 0x80))
{
crep[0] = '\'';
crep[1] = ch; /* necessary; printf tries too hard on metachars */
(void) sprintf(crep + 2, "' = 0x%02x", ch);
}
else
(void) sprintf(crep, "0x%02x", ch);
return(crep);
}
void
_tracef(char *fmt, ...)
{
va_list ap;
char buffer[256];
va_start(ap, fmt);
vsprintf(buffer, fmt, ap);
write(tracefd, buffer, strlen(buffer));
write(tracefd, "\n", 1);
}
|
