common/debug.c

   1 #include "git-compat-util.h"
   2 #include "systeminfo.h"
   3 #include "debug.h"
   4
   5 static char debug_git_file[MAX_PATH];
   6 static FILE * debug_git_fd = NULL;
   7
   8 void debug_git_set_file(const char * filename)
   9 {
  10         if (debug_git_fd)
  11         {
  12                 fclose(debug_git_fd);
  13                 debug_git_fd = NULL;
  14         }
  15
  16         strncpy(debug_git_file, filename, MAX_PATH);
  17         debug_git_file[MAX_PATH-1] = '\0';
  18
  19         debug_git_fd = fopen(debug_git_file, "a+");
  20 }
  21
  22 void debug_git(char * format, ...)
  23 {
  24         if (!debug_git_fd)
  25         {
  26                 debug_git_set_file(DEFAULT_DEBUG_GIT_FILE);
  27         }
  28
  29         /* Check again in case the above debug_git_set_file failed. */
  30         if (debug_git_fd)
  31         {
  32                 va_list params;
  33                 char buffer[1024];
  34                 int length = 0;
  35
  36                 va_start(params, format);
  37                 length = vsnprintf(buffer, sizeof(buffer), format, params);
  38                 va_end(params);
  39                 fwrite(buffer, sizeof(char), length, debug_git_fd);
  40                 fputc('\n', debug_git_fd);
  41                 fflush(debug_git_fd);
  42         }
  43 }
  44
  45 void debug_git_mbox(char *format, ...)
  46 {
  47         va_list params;
  48         char buffer[1024];
  49
  50         va_start(params, format);
  51         vsnprintf(buffer, sizeof(buffer), format, params);
  52         va_end(params);
  53         message_box(buffer);
  54 }