NAME
cgi_url_validate - validate that url is of an allowed format
SYNOPSIS
#include <cgi/cgi.h>
NEOERR *cgi_url_validate (const char *buf, char **esc);
ARGUMENTS
buf - a 0 terminated string
DESCRIPTION
cgi_url_validate will check that a URL starts with one of the accepted
safe schemes. If not, it returns "#" as a safe substitute. Currently
accepted schemes are http, https, ftp and mailto. It then html escapes
the entire URL so that it is safe to insert in an href attribute.
RETURN VALUE
esc - a newly allocated string
SEE ALSO
cgi_debug_init(3), cgi_parse(3), cgi_destroy(3), cgi_js_escape(3),
cgi_html_escape_strfunc(3), cgi_register_strfuncs(3), cgi_output(3),
parse_rfc2388(3), cgi_url_validate(3), open_upload(3), cgi_cs_init(3),
cgi_url_escape_more(3), cgi_html_strip_strfunc(3), cgi_neo_error(3),
cgi_redirect(3), cgi_filehandle(3), cgi_register_parse_cb(3),
cgi_url_escape(3), cgi_init(3), cgi_redirect_uri(3),
cgi_cookie_clear(3), cgi_url_unescape(3), cgi_vredirect(3),
cgi_display(3), cgi_html_ws_strip(3), cgi_error(3), cgi_cookie_set(3),
cgi_text_html_strfunc(3), cgi_cookie_authority