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 {
34 vfprintf(stderr, fmt, args);
35 }
36
37 static nghttp2_debug_vprintf_callback static_debug_vprintf_callback =
38 nghttp2_default_debug_vfprintf_callback;
39
nghttp2_debug_vprintf(const char * format,...)40 void nghttp2_debug_vprintf(const char *format, ...)
41 {
42 if (static_debug_vprintf_callback) {
43 va_list args;
44 va_start(args, format);
45 static_debug_vprintf_callback(format, args);
46 va_end(args);
47 }
48 }
49
nghttp2_set_debug_vprintf_callback(nghttp2_debug_vprintf_callback debug_vprintf_callback)50 void nghttp2_set_debug_vprintf_callback(
51 nghttp2_debug_vprintf_callback debug_vprintf_callback)
52 {
53 static_debug_vprintf_callback = debug_vprintf_callback;
54 }
55
56 #else /* !DEBUGBUILD */
57
nghttp2_set_debug_vprintf_callback(nghttp2_debug_vprintf_callback debug_vprintf_callback)58 void nghttp2_set_debug_vprintf_callback(
59 nghttp2_debug_vprintf_callback debug_vprintf_callback)
60 {
61 (void)debug_vprintf_callback;
62 }
63
64 #endif /* !DEBUGBUILD */
65