81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/****************************************************************
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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 "gtm_string.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_fnzbitor(mval *dst, mval *bitstr1, mval *bitstr2)
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{
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bool short1;
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int str_len1, str_len2;
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unsigned char *byte_1, *byte_n;
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unsigned char *byte1_1, *byte1_n, byte1_len;
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unsigned char *byte2_1, *byte2_n, byte2_len;
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int n, n0;
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error_def(ERR_INVBITSTR);
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MV_FORCE_STR(bitstr1);
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MV_FORCE_STR(bitstr2);
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if (!bitstr1->str.len || !bitstr2->str.len)
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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byte1_len = *(unsigned char *)bitstr1->str.addr;
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if (byte1_len > 7)
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{
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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}
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byte2_len = *(unsigned char *)bitstr2->str.addr;
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if (byte2_len > 7)
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{
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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}
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str_len1 = bitstr1->str.len - 1;
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str_len2 = bitstr2->str.len - 1;
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if ((str_len1 * 8 - byte1_len) < (str_len2 * 8 - byte2_len))
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{
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short1 = TRUE;
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n = str_len2;
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n0 = str_len1;
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} else
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{
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short1 = FALSE;
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n = str_len1;
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n0 = str_len2;
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}
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ENSURE_STP_FREE_SPACE(n + 1);
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byte_1 = (unsigned char *)stringpool.free;
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*byte_1 = short1 ? byte2_len : byte1_len;
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byte1_1 = (unsigned char *)bitstr1->str.addr;
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byte2_1 = (unsigned char *)bitstr2->str.addr;
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for(byte_n = byte_1 + 1, byte1_n = byte1_1 + 1, byte2_n = byte2_1 + 1;
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byte_n <= (byte_1 + n0);
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byte_n++, byte1_n++, byte2_n++)
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{
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*byte_n = *byte1_n | *byte2_n;
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}
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if (n != n0)
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memcpy(byte_n, short1 ? byte2_n : byte1_n, n - n0);
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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 = n + 1;
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stringpool.free += n + 1;
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}
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