src/trace.c

   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 "global.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
  20 int git_trace_set(git_trace_level_t level, git_trace_cb callback)
  21 {
  22 #ifdef GIT_TRACE
  23         assert(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 }