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/****************************************************************
* *
* Copyright (c) 2012-2019 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* 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(boolean_t direction, mval* src, mval* dst)
{
boolean_t ok;
int dst_len, str_len;
mstr tmp_mstr;
MV_FORCE_STR(src);
if MV_IS_CANONICAL(src)
*dst = *src;
else
{
str_len = direction ? src->str.len : ZWR_EXP_RATIO(src->str.len);
ENSURE_STP_FREE_SPACE((int)str_len);
DBG_MARK_STRINGPOOL_UNEXPANDABLE;
if (direction)
{
tmp_mstr.addr = (char *)stringpool.free;
ok = zwr2format(&src->str, &tmp_mstr);
dst_len = ok ? tmp_mstr.len : 0;
dst->str.addr = tmp_mstr.addr;
DBG_MARK_STRINGPOOL_EXPANDABLE;
} else
{
dst_len = str_len;
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_csa(NULL, 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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