/*!
* \brief Parse date string.
*
* Parses a string of the format day 'x' month-name 'x' year, where
* 'x' is any non-alphanumeric character.
*
* \param str Pointer to the date string.
* \param mday Points to the variable that will receive the day (1..31).
* \param mon Points to the variable that will receive the month (0..11).
* \param year Points to the variable that will receive the years since 1900.
*
* \return Pointer into the string after the parsed characters.
*/
char *TimeParseDmy(const char *str, int *mday, int *mon, int *year)
{
str = parse_digits(str, mday);
while (*str && !isalpha((unsigned char)*str)) {
str++;
}
str = TimeParseMonth(str, mon);
while (*str && !isdigit((unsigned char)*str)) {
str++;
}
str = TimeParseYear(str, year);
return (char *)str;
}
/*!
* \brief Parse RFC date and time string.
*
* This routine accepts RFC 850, RFC 1123 and asctime time formats.
*
* \param str Pointer to the date and time string.
*
* \return Number of seconds since epoch or -1 in case of any error.
*/
time_t RfcTimeParse(CONST char *str)
{
struct _tm dts = { 0, 0, 0, 1, 0, 0, 0, 0, 0 };
/* Skip leading whitespace. */
str = skip_spaces(str);
/* Skip weekday, optional in RFC 822. */
if (isalpha((unsigned char)*str)) {
while (*str && *str != ' ' && *str != '\t')
str++;
str = skip_spaces(str);
}
if (isalpha((unsigned char)*str)) {
/* asctime format 'Fri Feb 2 2007 07:30:05'. */
str = TimeParseMonth(str, &dts.tm_mon);
str = skip_spaces(str);
str = parse_digits(str, &dts.tm_mday);
str = skip_spaces(str);
str = TimeParseYear(str, &dts.tm_year);
str = skip_spaces(str);
str = TimeParseHms(str, &dts.tm_hour, &dts.tm_min, &dts.tm_sec);
}
else if (*str) {
/* RFC 850 'Friday, 02-Feb-2007 07:30:05 GMT'. */
/* RFC 1123 'Fri, 02 Feb 2007 07:30:05 GMT'. */
str = TimeParseDmy(str, &dts.tm_mday, &dts.tm_mon, &dts.tm_year);
str = skip_spaces(str);
str = TimeParseHms(str, &dts.tm_hour, &dts.tm_min, &dts.tm_sec);
}
str = skip_spaces(str);
if ( (strcmp(str, "GMT") == 0)
|| (strcmp(str, "UTC") == 0)
)
{
return mktime(&dts);
}
return _mkgmtime(&dts);
}
