xref: /freebsd/crypto/krb5/src/lib/gssapi/mechglue/g_rel_buffer.c (revision f1c4c3daccbaf3820f0e2224de53df12fc952fcc)
1 /* #ident  "@(#)g_rel_buffer.c 1.2     96/02/06 SMI" */
2 
3 /*
4  * Copyright 1996 by Sun Microsystems, Inc.
5  *
6  * Permission to use, copy, modify, distribute, and sell this software
7  * and its documentation for any purpose is hereby granted without fee,
8  * provided that the above copyright notice appears in all copies and
9  * that both that copyright notice and this permission notice appear in
10  * supporting documentation, and that the name of Sun Microsystems not be used
11  * in advertising or publicity pertaining to distribution of the software
12  * without specific, written prior permission. Sun Microsystems makes no
13  * representations about the suitability of this software for any
14  * purpose.  It is provided "as is" without express or implied warranty.
15  *
16  * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18  * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22  * PERFORMANCE OF THIS SOFTWARE.
23  */
24 
25 /*
26  *  glue routine for gss_release_buffer
27  */
28 
29 #include "mglueP.h"
30 #include <stdio.h>
31 #ifdef HAVE_STDLIB_H
32 #include <stdlib.h>
33 #endif
34 
35 OM_uint32 KRB5_CALLCONV
gss_release_buffer(OM_uint32 * minor_status,gss_buffer_t buffer)36 gss_release_buffer(OM_uint32 *minor_status, gss_buffer_t buffer)
37 {
38     if (minor_status)
39 	*minor_status = 0;
40 
41     /* if buffer is NULL, return */
42 
43     if(buffer == GSS_C_NO_BUFFER)
44 	return(GSS_S_COMPLETE);
45 
46     if ((buffer->length) &&
47 	(buffer->value)) {
48 	    gssalloc_free(buffer->value);
49 	    buffer->length = 0;
50 	    buffer->value = NULL;
51     }
52 
53     return (GSS_S_COMPLETE);
54 }
55