* libwget/cookie.c: Use atoll() instead of atol()
* libwget/hsts.c: Likewise
* libwget/http.c: Likewise
* libwget/ocsp.c: Likewise
* libwget/tls_session.c: Likewise
* libwget/hpkp.c: Change type of maxage from long to time_t
* libwget/cookie.c: Write time_t as long long int
* libwget/hsts.c: Likewise
* libwget/ocsp.c: Likewise
* libwget/tls_session.c: Likewise
* libwget/hpkp.c: Read and write time_t as long long int
Reported-By: Tim Rühsen
* libwget/cookie.c (_compare_cookie{,2}): Mark as pure
* libwget/encoding.c (_utf8_is_valid): Same
* libwget/hsts.c (_compare_hsts): Same
* libwget/ocsp.c (_compare_ocsp): Same
* libwget/netrc.c (_compare_netrc): Same
* libwget/tls_session.c (_compare_tls_session): Same
* examples/getstream.c, examples/print_css_urls2.c, libwget/cookie.c,
libwget/css_url.c, libwget/encoding.c, libwget/hsts.c,
libwget/html_url.c, libwget/http.c, libwget/metalink.c,
libwget/ocsp.c, libwget/robots.c, libwget/ssl_gnutls.c,
src/options.c, src/wget.c, tests/stringmap_perf.c,
tests/test-wget-1.c
Strndup() calls an additional strlen() on the input string.
This is normally not needed, and thus just consumes CPU cycles.
All calls to strndup() could be replaced by wget_strmemdup, which
basically allocates len+1 memory, calls memcpy and terminates with
a 0 byte.
