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/****************************************************************
* *
* Copyright 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include "stringpool.h"
#include "op.h"
#include "zshow.h"
error_def(ERR_MAXSTRLEN);
/* Routine to return a string in zwrite format */
void op_fnzwrite(mval* src, mval* dst)
{
int dst_len, str_len;
MV_FORCE_STR(src);
MV_FORCE_NUM(src);
if MV_IS_CANONICAL(src)
*dst = *src;
else
{
str_len = ZWR_EXP_RATIO(src->str.len);
ENSURE_STP_FREE_SPACE((int)str_len);
DBG_MARK_STRINGPOOL_UNEXPANDABLE;
format2zwr((sm_uc_ptr_t)src->str.addr, src->str.len, (uchar_ptr_t)stringpool.free, &dst_len);
DBG_MARK_STRINGPOOL_EXPANDABLE;
if (MAX_STRLEN < dst_len)
rts_error(VARLSTCNT(1) ERR_MAXSTRLEN);
dst->str.addr = (char *)stringpool.free; /* deferred in case dst == str */
dst->str.len = dst_len;
dst->mvtype = MV_STR;
assert((unsigned char *)(dst->str.addr + dst_len) <= stringpool.top);
stringpool.free = (unsigned char *)(dst->str.addr + dst_len);
}
}
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