Function ddio_GetFileSysRoots

ddio/winfile.cpp:341–377

retrieve root names, free up roots array (allocated with malloc) after use

//	retrieve root names, free up roots array (allocated with malloc) after use
int ddio_GetFileSysRoots(char **roots, int max_roots) {
  char buffer[100];

  int ret = GetLogicalDriveStrings(100, buffer);
  if (ret == 0) {
    // there was an error
    return 0;
  }

  if (ret > 100) {
    // we didn't have enough space
    return 0;
  }

  int count = 0;
  bool done = false;
  char *strptr = buffer;
  char *string;
  int strsize;
  while ((count < max_roots) && (!done)) {
    if (*strptr != 0) {
      strsize = strlen(strptr);
      string = roots[count] = (char *)mem_malloc(strsize);
      if (!string)
        break;
      // remove the trailing \ from windows
      strncpy(string, strptr, strsize - 1);
      string[strsize - 1] = '\0';

      strptr += (strsize + 1);

      count++;
    } else
      done = true;
  }
  return count;
}

//	given a path, it cleans it up (if the path is c:\windows\..\dos it would make it c:\dos)
//	srcPath is the original path