Function str_to_time

sql-common/my_time.c:635–834

*/

my_bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
                    MYSQL_TIME_STATUS *status)
{
  ulong date[5];
  ulonglong value;
  const char *end=str+length, *end_of_days;
  my_bool found_days,found_hours;
  uint state;

  my_time_status_init(status);
  l_time->neg=0;
  for (; str != end && my_isspace(&my_charset_latin1,*str) ; str++)
    length--;
  if (str != end && *str == '-')
  {
    l_time->neg=1;
    str++;
    length--;
  }
  if (str == end)
    return 1;

  /* Check first if this is a full TIMESTAMP */
  if (length >= 12)
  {                                             /* Probably full timestamp */
    (void) str_to_datetime(str, length, l_time,
                           (TIME_FUZZY_DATE | TIME_DATETIME_ONLY), status);
    if (l_time->time_type >= MYSQL_TIMESTAMP_ERROR)
      return l_time->time_type == MYSQL_TIMESTAMP_ERROR;
    my_time_status_init(status);
  }

  /* Not a timestamp. Try to get this as a DAYS_TO_SECOND string */
  for (value=0; str != end && my_isdigit(&my_charset_latin1,*str) ; str++)
    value=value*10L + (long) (*str - '0');

  if (value > UINT_MAX)
    return 1;

  /* Skip all space after 'days' */
  end_of_days= str;
  for (; str != end && my_isspace(&my_charset_latin1, str[0]) ; str++)
    ;

  LINT_INIT(state);
  found_days=found_hours=0;
  if ((uint) (end-str) > 1 && str != end_of_days &&
      my_isdigit(&my_charset_latin1, *str))
  {                                             /* Found days part */
    date[0]= (ulong) value;
    state= 1;                                   /* Assume next is hours */
    found_days= 1;
  }
  else if ((end-str) > 1 &&  *str == time_separator &&
           my_isdigit(&my_charset_latin1, str[1]))
  {
    date[0]= 0;                                 /* Assume we found hours */
    date[1]= (ulong) value;