45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/****************************************************************
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* *
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* Copyright 2012 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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#include "zshow.h"
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error_def(ERR_MAXSTRLEN);
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/* Routine to return a string in zwrite format */
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void op_fnzwrite(mval* src, mval* dst)
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{
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int dst_len, str_len;
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MV_FORCE_STR(src);
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MV_FORCE_NUM(src);
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if MV_IS_CANONICAL(src)
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*dst = *src;
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else
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{
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str_len = ZWR_EXP_RATIO(src->str.len);
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ENSURE_STP_FREE_SPACE((int)str_len);
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DBG_MARK_STRINGPOOL_UNEXPANDABLE;
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format2zwr((sm_uc_ptr_t)src->str.addr, src->str.len, (uchar_ptr_t)stringpool.free, &dst_len);
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DBG_MARK_STRINGPOOL_EXPANDABLE;
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if (MAX_STRLEN < dst_len)
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rts_error(VARLSTCNT(1) ERR_MAXSTRLEN);
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dst->str.addr = (char *)stringpool.free; /* deferred in case dst == str */
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dst->str.len = dst_len;
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dst->mvtype = MV_STR;
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assert((unsigned char *)(dst->str.addr + dst_len) <= stringpool.top);
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stringpool.free = (unsigned char *)(dst->str.addr + dst_len);
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}
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}
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