//-----------------------------------------------------------------------------
// Copyright © 2003 - Philip Howard - All rights reserved
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//-----------------------------------------------------------------------------
// package libh/http
// homepage http://libh.slashusr.org/
//-----------------------------------------------------------------------------
// author Philip Howard
// email phil at ipal dot org
//-----------------------------------------------------------------------------
// This file is best viewed using a fixed spaced font such as Courier
// and in a display at least 112 columns wide.
//-----------------------------------------------------------------------------
#include "http_lib.h"
__PROTO_BEGIN__
//-----------------------------------------------------------------------------
// function http_redirect
//
// purpose Redirect HTTP request to a specified URL.
//
// arguments 1 (const char *) format string for URL
// 2..N (...) variable arguments for formatting URL
//
// returns (int) -1 : error
// (int) 0 : OK
//-----------------------------------------------------------------------------
int
http_redirect (
const char * arg_url_format
,
...
)
__PROTO_END__
{
va_list more_args ;
char url_string [ HTTP_URL_MAX_SIZE + 1 ];
//-- If HTTP is already done, return an error.
if ( http_done ) return -1;
//-- Build redirection URL.
va_start( more_args, arg_url_format );
vsnprintf( url_string, sizeof (url_string), arg_url_format, more_args );
va_end( more_args );
//-- Response code for 301 Moved Permanently.
http_response_str( HTTP_RESPONSE_301 );
http_header( -128, "Location", url_string, NULL );
http_date_now();
http_header( 0, "Content-Type", "text/html", NULL );
http_commit_put();
printf( "\n"
"Redirect\n"
"\n"
"Your web browser should jump to %s.
\n"
"If not, please click here to proceed.\n"
"\n"
"\n",
url_string,
url_string,
url_string
);
fflush( stdout );
return 0;
}