37 lines
920 B
C
37 lines
920 B
C
/****************************************************************
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* *
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* Copyright 2001, 2005 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 "op.h"
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#include "mvalconv.h"
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void op_fnzbitlen(mval *dst, mval *bitstr)
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{
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int len, str_len;
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unsigned char *byte_1;
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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_1 = (unsigned char *)bitstr->str.addr;
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str_len = (bitstr->str.len - 1) * 8;
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if (7 < *byte_1)
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rts_error(VARLSTCNT(1) ERR_INVBITSTR);
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else
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len = str_len - *byte_1;
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MV_FORCE_MVAL(dst, len);
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}
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