Function mod_FindRealFileNameCaseInsenstive

module/module.cpp:579–709

}

bool mod_FindRealFileNameCaseInsenstive(const char *directory, const char *fname, char *new_filename) {
  bool use_dir = false;
  char dir_to_use[_MAX_PATH];
  char file_to_use[_MAX_PATH];

  char *real_dir, *real_file;

  if (directory) {
    // there is a directory for this path
    use_dir = true;
    real_dir = (char *)directory;
    real_file = (char *)fname;
  } else {
    // there may be a directory in the path (*sigh*)
    char t_ext[256];
    char t_dir[_MAX_PATH];
    char t_filename[_MAX_PATH];

    dd_SplitPath(fname, t_dir, t_filename, t_ext);
    if (strlen(t_dir) > 0) {
      use_dir = true;
      strcpy(dir_to_use, t_dir);
      real_dir = (char *)dir_to_use;
      strcpy(file_to_use, t_filename);
      strcat(file_to_use, t_ext);
      real_file = (char *)file_to_use;

      mprintf(1, "MOD: Found directory \"%s\" in filename, new filename is \"%s\"\n", real_dir, real_file);
    } else {
      use_dir = false;
      real_dir = NULL;
      real_file = (char *)fname;
    }
  }

  // build up a list of filenames in the current directory that begin with the lowercase and
  // upper case first letter of the filename

  // do the case of the first letter to start
  int case_val;
  char wildcard_pattern[_MAX_PATH];
  int iterations = 1;
  bool found_match = false;

  if ((real_file[0] >= 'a' && real_file[0] <= 'z') || (real_file[0] >= 'A' && real_file[0] <= 'Z')) {
    // alpha first letter...we need to do 2 iterations
    iterations = 2;
  }

  for (case_val = 0; case_val < iterations; case_val++) {
    if (case_val) {
      // do the opposite case of the first letter
      char first_letter;
      first_letter = real_file[0];
      if (first_letter >= 'a' && first_letter <= 'z') {
        // we need to uppercase the letter
        first_letter = toupper(first_letter);
      } else {