asn_bits.h

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/*
 * asn_bits.h
 *
 * 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.
 *
 */


#ifndef _asn_bits_h_
#define _asn_bits_h_


typedef struct AsnBits
{
    int   bitLen;
    char* bits;
} AsnBits;

extern char numToHexCharTblG[];

#define TO_HEX(fourBits) (numToHexCharTblG[(fourBits) & 0x0f])


#define ASNBITS_PRESENT(abits) ((abits)->bits != NULL)


AsnLen BEncAsnBits PROTO((BUF_TYPE b, AsnBits* data));

void BDecAsnBits PROTO((BUF_TYPE b, AsnBits* result, AsnLen* bytesDecoded,
                       ENV_TYPE env));

AsnLen BEncAsnBitsContent PROTO((BUF_TYPE b, AsnBits* bits));

void BDecAsnBitsContent PROTO((BUF_TYPE    b,
                        AsnLen len,
                        AsnTag tagId,
                        AsnBits* result,
                        AsnLen* bytesDecoded,
                        ENV_TYPE env));

void FreeAsnBits PROTO((AsnBits* v));

void PrintAsnBits PROTO((FILE* f, AsnBits* b, unsigned short int indent));

int AsnBitsEquiv PROTO((AsnBits* b1, AsnBits* b2));

void SetAsnBit PROTO((AsnBits* b1, unsigned long int bit));

void ClrAsnBit PROTO((AsnBits* b1, unsigned long int bit));

int GetAsnBit PROTO((AsnBits* b1, unsigned long int bit));

#endif /* conditional include */