common/debug.c

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