SecuritySNACCRuntime/c-lib/src/asn-enum.c

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20  * asn_enum.c - routines for the ASN.1 ENUMERATED type
  21  *
  22  * MS 92
  23  * Copyright (C) 1992 Michael Sample and the University of British Columbia
  24  *
  25  * This library is free software; you can redistribute it and/or
  26  * modify it provided that this copyright/license information is retained
  27  * in original form.
  28  *
  29  * If you modify this file, you must clearly indicate your changes.
  30  *
  31  * This source code is distributed in the hope that it will be
  32  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  33  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  34  *
  35  * $Header: /cvs/Darwin/src/live/Security/SecuritySNACCRuntime/c-lib/src/asn-enum.c,v 1.1.1.1 2001/05/18 23:14:08 mb Exp $
  36  * $Log: asn-enum.c,v $
  37  * Revision 1.1.1.1  2001/05/18 23:14:08  mb
  38  * Move from private repository to open source repository
  39  *
  40  * Revision 1.2  2001/05/05 00:59:25  rmurphy
  41  * Adding darwin license headers
  42  *
  43  * Revision 1.1.1.1  1999/03/16 18:06:30  aram
  44  * Originals from SMIME Free Library.
  45  *
  46  * Revision 1.3  1995/07/24 21:04:50  rj
  47  * changed `_' to `-' in file names.
  48  *
  49  * Revision 1.2  1994/09/01  01:04:38  rj
  50  * reduce the risk of unwanted surprises with macro expansion by properly separating the C tokens.
  51  *
  52  * Revision 1.1  1994/08/28  09:45:52  rj
  53  * first check-in. for a list of changes to the snacc-1.1 distribution please refer to the ChangeLog.
  54  *
  55  */
  56
  57 #include "asn-config.h"
  58 #include "asn-len.h"
  59 #include "asn-tag.h"
  60 #include "asn-int.h"
  61 #include "asn-enum.h"
  62
  63 /*
  64  * encodes universal TAG LENGTH and Contents of and ASN.1 ENUMERATED
  65  */
  66 AsnLen
  67 BEncAsnEnum PARAMS ((b, data),
  68     BUF_TYPE     b _AND_
  69     AsnEnum *data)
  70 {
  71     AsnLen len;
  72
  73     len =  BEncAsnEnumContent (b, data);
  74     len += BEncDefLen (b, len);
  75     len += BEncTag1 (b, UNIV, PRIM, ENUM_TAG_CODE);
  76     return len;
  77 }  /* BEncAsnEnum */
  78
  79 /*
  80  * decodes universal TAG LENGTH and Contents of and ASN.1 ENUMERATED
  81  */
  82 void
  83 BDecAsnEnum PARAMS ((b, result, bytesDecoded, env),
  84     BUF_TYPE   b _AND_
  85     AsnEnum    *result _AND_
  86     AsnLen *bytesDecoded _AND_
  87     jmp_buf env)
  88 {
  89     AsnTag tag;
  90     AsnLen elmtLen;
  91
  92     if ((tag = BDecTag (b, bytesDecoded, env)) != MAKE_TAG_ID (UNIV, PRIM, ENUM_TAG_CODE))
  93     {
  94          Asn1Error ("BDecAsnInt: ERROR wrong tag on ENUMERATED.\n");
  95          longjmp (env, -40);
  96     }
  97
  98     elmtLen = BDecLen (b, bytesDecoded, env);
  99     BDecAsnEnumContent (b, tag, elmtLen, result, bytesDecoded, env);
 100
 101 }  /* BDecAsnEnum */