Function process_args

strings/my_vsnprintf.c:319–520

*/

static char *process_args(const CHARSET_INFO *cs, char *to, char *end,
                          const char* fmt, size_t arg_index, va_list ap)
{
  ARGS_INFO args_arr[MAX_ARGS];
  PRINT_INFO print_arr[MAX_PRINT_INFO];
  uint idx= 0, arg_count= arg_index;

start:
  /* Here we are at the beginning of positional argument, right after $ */
  arg_index--;
  print_arr[idx].flags= 0;
  if (*fmt == '`')
  {
    print_arr[idx].flags|= ESCAPED_ARG;
    fmt++;
  }
  if (*fmt == '-')
    fmt++;
  print_arr[idx].length= print_arr[idx].width= 0;
  /* Get print length */
  if (*fmt == '*')
  {          
    fmt++;
    fmt= get_length(fmt, &print_arr[idx].length, &print_arr[idx].flags);
    print_arr[idx].length--;    
    DBUG_ASSERT(*fmt == '$' && print_arr[idx].length < MAX_ARGS);
    args_arr[print_arr[idx].length].arg_type= 'd';
    args_arr[print_arr[idx].length].have_longlong= 0;
    print_arr[idx].flags|= LENGTH_ARG;
    arg_count= MY_MAX(arg_count, print_arr[idx].length + 1);
    fmt++;
  }
  else
    fmt= get_length(fmt, &print_arr[idx].length, &print_arr[idx].flags);
  
  if (*fmt == '.')
  {
    fmt++;
    /* Get print width */
    if (*fmt == '*')
    {
      fmt++;
      fmt= get_width(fmt, &print_arr[idx].width);
      print_arr[idx].width--;
      DBUG_ASSERT(*fmt == '$' && print_arr[idx].width < MAX_ARGS);
      args_arr[print_arr[idx].width].arg_type= 'd';
      args_arr[print_arr[idx].width].have_longlong= 0;
      print_arr[idx].flags|= WIDTH_ARG;
      arg_count= MY_MAX(arg_count, print_arr[idx].width + 1);
      fmt++;
    }
    else
      fmt= get_width(fmt, &print_arr[idx].width);
  }
  else
    print_arr[idx].width= SIZE_T_MAX;

  fmt= check_longlong(fmt, &args_arr[arg_index].have_longlong);