1 /*
2  * Copyright (C) the libgit2 contributors. All rights reserved.
3  *
4  * This file is part of libgit2, distributed under the GNU GPL v2 with
5  * a Linking Exception. For full terms see the included COPYING file.
6  */
7 
8 #include "trace.h"
9 
10 #include "buffer.h"
11 #include "runtime.h"
12 #include "git2/trace.h"
13 
14 #ifdef GIT_TRACE
15 
16 struct git_trace_data git_trace__data = {0};
17 
18 #endif
19 
git_trace_set(git_trace_level_t level,git_trace_cb callback)20 int git_trace_set(git_trace_level_t level, git_trace_cb callback)
21 {
22 #ifdef GIT_TRACE
23 	GIT_ASSERT_ARG(level == 0 || callback != NULL);
24 
25 	git_trace__data.level = level;
26 	git_trace__data.callback = callback;
27 	GIT_MEMORY_BARRIER;
28 
29 	return 0;
30 #else
31 	GIT_UNUSED(level);
32 	GIT_UNUSED(callback);
33 
34 	git_error_set(GIT_ERROR_INVALID,
35 		"this version of libgit2 was not built with tracing.");
36 	return -1;
37 #endif
38 }
39