49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "stringpool.h"
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#include "op.h"
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GBLREF spdesc stringpool;
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void op_fnzbitnot(mval *dst,mval *bitstr)
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{
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int n, str_len;
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unsigned char *byte_1, *byte_n, *dist_byte, byte_len;
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error_def(ERR_INVBITSTR);
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MV_FORCE_STR(bitstr);
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if (!bitstr->str.len)
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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byte_len = *(unsigned char *)bitstr->str.addr;
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str_len = (bitstr->str.len - 1) * 8;
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if (7 < byte_len)
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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ENSURE_STP_FREE_SPACE(bitstr->str.len);
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byte_1 = (unsigned char *)bitstr->str.addr;
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dist_byte = (unsigned char *)stringpool.free;
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*dist_byte = *byte_1;
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dist_byte++;
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n = bitstr->str.len;
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for (byte_n = byte_1 + 1; byte_n <= (byte_1 + n); byte_n++, dist_byte++)
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*dist_byte = ~(*byte_n);
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dst->mvtype = MV_STR;
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dst->str.addr = (char *)stringpool.free;
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dst->str.len = bitstr->str.len;
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stringpool.free += bitstr->str.len;
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}
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