1 /*
2 * nghttp3
3 *
4 * Copyright (c) 2019 nghttp3 contributors
5 * Copyright (c) 2016 nghttp2 contributors
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26 #include "nghttp3_debug.h"
27
28 #include <stdio.h>
29
30 #ifdef DEBUGBUILD
31
nghttp3_default_debug_vfprintf_callback(const char *fmt, va_list args)32 static void nghttp3_default_debug_vfprintf_callback(const char *fmt,
33 va_list args) {
34 vfprintf(stderr, fmt, args);
35 }
36
37 static nghttp3_debug_vprintf_callback static_debug_vprintf_callback =
38 nghttp3_default_debug_vfprintf_callback;
39
nghttp3_debug_vprintf(const char *format, ...)40 void nghttp3_debug_vprintf(const char *format, ...) {
41 if (static_debug_vprintf_callback) {
42 va_list args;
43 va_start(args, format);
44 static_debug_vprintf_callback(format, args);
45 va_end(args);
46 }
47 }
48
nghttp3_set_debug_vprintf_callback( nghttp3_debug_vprintf_callback debug_vprintf_callback)49 void nghttp3_set_debug_vprintf_callback(
50 nghttp3_debug_vprintf_callback debug_vprintf_callback) {
51 static_debug_vprintf_callback = debug_vprintf_callback;
52 }
53
54 #else /* !DEBUGBUILD */
55
nghttp3_set_debug_vprintf_callback( nghttp3_debug_vprintf_callback debug_vprintf_callback)56 void nghttp3_set_debug_vprintf_callback(
57 nghttp3_debug_vprintf_callback debug_vprintf_callback) {
58 (void)debug_vprintf_callback;
59 }
60
61 #endif /* !DEBUGBUILD */
62