File: cgiGetCookie.3

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.\" cgiGetCookie - Return a cookie
.\" Copyright (c) 1998,9 by Martin Schulze <joey@infodrom.north.de>
.\" 
.\" 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.
.\"
.TH cgiGetCookie 3 "20 August 1999" "CGI Library" "Programmer's Manual"
.SH NAME
cgiGetCookie \- Return a cookie
.SH SYNOPSYS
.nf
.B #include <cgi.h>
.sp
.BI "s_cookie *cgiGetCookie (s_cgi *" parms ", const char *" name );
.fi
.SH DESCRIPTION
This routine returns a pointer to a s_cookie struct that contains all
values for the cookie as referenced by
.IR name .

The s_cookie structure is defined as follows:
.nf
    typedef struct cookie_s {
	    char	*version,
		    *name,
		    *value,
		    *path,
		    *domain;
    } s_cookie;
.fi

You must NOT free this structure since it is only a pointer to
internal data.

To set a cookie in your program you'll need to manually add additional
header lines.  Please take a look at
.IR cgitest.c .
Basically, you'll need to add the following code:

.nf
   cgiSetHeader ("Set-Cookie", "Version=1; name=value; Path=/");
   cgiHeader();
.fi

Please read the included file
.I cookies.txt
as well.

.SH "RETURN VALUE"
On success a pointer to a s_cookie structure is returned.  If no
cookie was set or no cookie with a given name exists NULL is returned.

.SH "AUTHOR"
This CGI library is written by Martin Schulze
<joey@infodrom.north.de>.  If you have additions or improvements
please get in touch with him.

.SH "SEE ALSO"
.BR cgiGetValue (3),
.BR cgiGetVariables (3),
.BR cgiGetCookies (3),
.BR cgiDebug (3),
.BR cgiHeader (3),
.BR cgiInit (3).