char *Ns_HttpTime( Ns_DString *pds time_t *when );
The Ns_HttpTime function converts given time to the appropriate format for an HTTP header or log file. The Ns_HttpTime function returns the time and date with a four digit year, e.g., "Sun, 06 Nov 1994 08:49:37 GMT".
If when
is NULL, the function returns a string containing the current time. The formatted time string is appended to the specified Ns_DString (pds).