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