1 /*
2 * nghttp2 - HTTP/2 C Library
3 *
4 * Copyright (c) 2016 Tatsuhiro Tsujikawa
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include "nghttp2_debug.h"
26
27 #include <stdio.h>
28
29 #ifdef DEBUGBUILD
30
nghttp2_default_debug_vfprintf_callback(const char * fmt,va_list args)31 static void nghttp2_default_debug_vfprintf_callback(const char *fmt,
32 va_list args) {
33 vfprintf(stderr, fmt, args);
34 }
35
36 static nghttp2_debug_vprintf_callback static_debug_vprintf_callback =
37 nghttp2_default_debug_vfprintf_callback;
38
nghttp2_debug_vprintf(const char * format,...)39 void nghttp2_debug_vprintf(const char *format, ...) {
40 if (static_debug_vprintf_callback) {
41 va_list args;
42 va_start(args, format);
43 static_debug_vprintf_callback(format, args);
44 va_end(args);
45 }
46 }
47
nghttp2_set_debug_vprintf_callback(nghttp2_debug_vprintf_callback debug_vprintf_callback)48 void nghttp2_set_debug_vprintf_callback(
49 nghttp2_debug_vprintf_callback debug_vprintf_callback) {
50 static_debug_vprintf_callback = debug_vprintf_callback;
51 }
52
53 #else /* !DEBUGBUILD */
54
nghttp2_set_debug_vprintf_callback(nghttp2_debug_vprintf_callback debug_vprintf_callback)55 void nghttp2_set_debug_vprintf_callback(
56 nghttp2_debug_vprintf_callback debug_vprintf_callback) {
57 (void)debug_vprintf_callback;
58 }
59
60 #endif /* !DEBUGBUILD */
61