/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (the 'License'). * You may not use this file except in compliance with the License. Please obtain * a copy of the License at http://www.apple.com/publicsource and read it before * using this file. * * This Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ /* * asn_null.c - BER encode, decode, print and free routines for the * ASN.1 NULL type. * * MS 92 * Copyright (C) 1992 Michael Sample and the University of British Columbia * * This library is free software; you can redistribute it and/or * modify it provided that this copyright/license information is retained * in original form. * * If you modify this file, you must clearly indicate your changes. * * This source code 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. * * $Header: /cvs/root/Security/SecuritySNACCRuntime/c-lib/src/Attic/asn-null.c,v 1.1.1.1 2001/05/18 23:14:08 mb Exp $ * $Log: asn-null.c,v $ * Revision 1.1.1.1 2001/05/18 23:14:08 mb * Move from private repository to open source repository * * Revision 1.2 2001/05/05 00:59:25 rmurphy * Adding darwin license headers * * Revision 1.1.1.1 1999/03/16 18:06:31 aram * Originals from SMIME Free Library. * * Revision 1.3 1995/07/24 21:04:52 rj * changed `_' to `-' in file names. * * Revision 1.2 1994/09/01 00:06:08 rj * reduce the risk of unwanted surprises with macro expansion by properly separating the C tokens. * * Revision 1.1 1994/08/28 09:45:57 rj * first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog. * */ #include "asn-config.h" #include "asn-len.h" #include "asn-tag.h" #include "asn-null.h" /* * encodes universal TAG LENGTH and Contents of and ASN.1 NULL */ AsnLen BEncAsnNull PARAMS ((b, data), BUF_TYPE b _AND_ AsnNull *data) { AsnLen len; len = BEncAsnNullContent (b, data); len += BEncDefLen (b, len); len += BEncTag1 (b, UNIV, PRIM, NULLTYPE_TAG_CODE); return len; } /* BEncAsnNull */ /* * decodes universal TAG LENGTH and Contents of and ASN.1 NULL */ void BDecAsnNull PARAMS ((b, result, bytesDecoded, env), BUF_TYPE b _AND_ AsnNull *result _AND_ AsnLen *bytesDecoded _AND_ jmp_buf env) { AsnTag tag; AsnLen elmtLen; if ((tag = BDecTag (b, bytesDecoded, env)) != MAKE_TAG_ID (UNIV, PRIM, NULLTYPE_TAG_CODE)) { Asn1Error ("BDecAsnNull: ERROR wrong tag on NULL.\n"); longjmp (env, -40); } elmtLen = BDecLen (b, bytesDecoded, env); BDecAsnNullContent (b, tag, elmtLen, result, bytesDecoded, env); } /* BDecAsnNull */ void BDecAsnNullContent PARAMS ((b, tagId, len, result, bytesDecoded, env), BUF_TYPE b _AND_ AsnTag tagId _AND_ AsnLen len _AND_ AsnNull *result _AND_ AsnLen *bytesDecoded _AND_ jmp_buf env) { if (len != 0) { Asn1Error ("BDecAsnNullContent: ERROR - NULL type's len must be 0\n"); longjmp (env, -17); } } /* BDecAsnNullContent */ /* * Prints the NULL value to the given FILE * in Value Notation. * ignores the indent. */ void PrintAsnNull PARAMS ((f,v, indent), FILE *f _AND_ AsnNull *v _AND_ unsigned short int indent) { fprintf (f, "NULL"); }