1/*
2 * Copyright (c) 2000-2001,2003-2004,2006 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// CSSM-style C/C++ bridge facilities
27//
28#ifndef _H_CSSMBRIDGE
29#define _H_CSSMBRIDGE
30
31#include <security_utilities/utilities.h>
32#include <security_cdsa_utilities/cssmerrors.h>
33#include <Security/cssm.h>
34
35
36namespace Security {
37
38
39//
40// API boilerplate macros. These provide a frame for C++ code that is impermeable to exceptions.
41// Usage:
42//	BEGIN_API
43//		... your C++ code here ...
44//  END_API(base)	// returns CSSM_RETURN on exception; complete it to 'base' (DL, etc.) class;
45//					// returns CSSM_OK on fall-through
46//	END_API0		// completely ignores exceptions; falls through in all cases
47//	END_API1(bad)	// return (bad) on exception; fall through on success
48//
49#define BEGIN_API	try {
50#define END_API(base) 	} \
51catch (const CommonError &err) { return CssmError::cssmError(err, CSSM_ ## base ## _BASE_ERROR); } \
52catch (const std::bad_alloc &) { return CssmError::cssmError(CSSM_ERRCODE_MEMORY_ERROR, CSSM_ ## base ## _BASE_ERROR); } \
53catch (...) { return CssmError::cssmError(CSSM_ERRCODE_INTERNAL_ERROR, CSSM_ ## base ## _BASE_ERROR); } \
54    return CSSM_OK;
55#define END_API0		} catch (...) { return; }
56#define END_API1(bad)	} catch (...) { return bad; }
57
58
59} // end namespace Security
60
61
62#endif //_H_CSSMBRIDGE
63