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
|
/*
* Copyright (C) 2019-2026 Nicola Di Lieto <nicola.dilieto@gmail.com>
*
* This file is part of uacme.
*
* uacme is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* uacme 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <ctype.h>
#include <err.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "msg.h"
int g_loglevel = 0;
void msg(int level, const char *format, ...)
{
va_list ap;
if (level > g_loglevel)
return;
va_start(ap, format);
vwarnx(format, ap);
va_end(ap);
}
void msg_hd(int level, const char *prefix, const void *data, size_t len)
{
char *buf = NULL;
size_t buf_size = 0;
const unsigned char *d = data;
if (level > g_loglevel)
return;
FILE *f = open_memstream(&buf, &buf_size);
if (!f) {
warn("msg_hd: open_memstream failed");
return;
}
for (size_t o = 0; o < len; o += 0x10) {
size_t i;
if (fprintf(f, "%05zx: ", o) < 0) {
warn("msg_hd: fprintf failed");
fclose(f);
goto out;
}
for (i = 0; i < 0x10; i++) {
int r = o + i < len ?
fprintf(f, "%02hhx %s", d[o + i], (i & 7) == 7 ? " " : "") :
fprintf(f, " %s", (i & 7) == 7 ? " " : "");
if (r < 0) {
warn("msg_hd: fprintf failed");
fclose(f);
goto out;
}
}
if (fprintf(f, "|") < 0) {
warn("msg_hd: fprintf failed");
fclose(f);
goto out;
}
for (i = 0; i < 0x10 && o + i < len; i++)
if (fprintf(f, "%c", isprint(d[o + i]) ? d[o + i] : '.') < 0) {
warn("msg_hd: fprintf failed");
fclose(f);
goto out;
}
if (fprintf(f, "|%s", o + i < len ? "\n" : "") < 0) {
warn("msg_hd: fprintf failed");
fclose(f);
goto out;
}
}
if (fclose(f)) {
warn("msg_hd: fclose failed");
goto out;
}
warnx("%s%s", prefix, buf);
out:
free(buf);
return;
}
|
