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netcdf-c/ncgen/cvt.c

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/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*********************************************************************/
/* $Id: cvt.c,v 1.2 2010/05/24 19:59:56 dmh Exp $ */
/* $Header: /upc/share/CVS/netcdf-3/ncgen/cvt.c,v 1.2 2010/05/24 19:59:56 dmh Exp $ */
#include "includes.h"
#include "bytebuffer.h"
#include "isnan.h"
#include <math.h>
static char stmp[256];
void
convert1(NCConstant* src, NCConstant* dst)
{
Constvalue tmp;
unsigned char* bytes = NULL;
size_t bytelen;
#ifdef _MSC_VER
int byteval;
#endif
memset(&tmp,0,sizeof(tmp));
dst->lineno = src->lineno;
/* Need to translate all possible sources to all possible sinks.*/
/* Rather than have a nested switch, combine the src and target into*/
/* a single value so we can do a single n*n-way switch*/
/* special case for src being NC_FILLVALUE*/
if(src->nctype == NC_FILLVALUE) {
if(dst->nctype != NC_FILLVALUE) {
nc_getfill(dst,NULL);
}
return;
}
/* special case handling for src being NC_ECONST*/
if(src->nctype == NC_ECONST) {
if(dst->nctype == NC_ECONST) {
dst->value = src->value;
} else {
Symbol* econst;
econst = src->value.enumv;
convert1(econst->typ.econst,dst);
}
return;
} else if(dst->nctype == NC_ECONST) {
/* special case for dst being NC_ECONST*/
semerror(lineno,"Conversion to enum not supported (yet)");
return;
}
if(src->nctype == NC_OPAQUE) {
bytes = makebytestring(src->value.opaquev.stringv,&bytelen);
}
#define CASE(nc1,nc2) (nc1*256+nc2)
switch (CASE(src->nctype,dst->nctype)) {
case CASE(NC_CHAR,NC_CHAR):
tmp.charv = src->value.charv;
break;
case CASE(NC_CHAR,NC_BYTE):
tmp.int8v = (unsigned char)src->value.charv;
break;
case CASE(NC_CHAR,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.charv;
break;
case CASE(NC_CHAR,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.charv;
break;
case CASE(NC_CHAR,NC_UINT):
tmp.uint32v = (unsigned int)src->value.charv;
break;
case CASE(NC_CHAR,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.charv;
break;
case CASE(NC_CHAR,NC_SHORT):
tmp.int16v = (short)src->value.charv;
break;
case CASE(NC_CHAR,NC_INT):
tmp.int32v = (int)src->value.charv;
break;
case CASE(NC_CHAR,NC_INT64):
tmp.int64v = (long long)src->value.charv;
break;
case CASE(NC_CHAR,NC_FLOAT):
tmp.floatv = (float)src->value.charv;
break;
case CASE(NC_CHAR,NC_DOUBLE):
tmp.doublev = (double)src->value.charv;
break;
case CASE(NC_BYTE,NC_CHAR):
tmp.charv = (char)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_UINT):
tmp.uint32v = (unsigned int)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_SHORT):
tmp.int16v = (short)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_INT):
tmp.int32v = (int)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_INT64):
tmp.int64v = (long long)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_FLOAT):
tmp.floatv = (float)src->value.uint8v;
break;
case CASE(NC_BYTE,NC_DOUBLE):
tmp.doublev = (double)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_CHAR):
tmp.charv = (char)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_UINT):
tmp.uint32v = (unsigned int)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_SHORT):
tmp.int16v = (short)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_INT):
tmp.int32v = (int)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_INT64):
tmp.int64v = (long long)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_FLOAT):
tmp.floatv = (float)src->value.uint8v;
break;
case CASE(NC_UBYTE,NC_DOUBLE):
tmp.doublev = (double)src->value.uint8v;
break;
case CASE(NC_USHORT,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_UINT):
tmp.uint32v = (unsigned int)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_SHORT):
tmp.int16v = (short)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_INT):
tmp.int32v = (int)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_INT64):
tmp.int64v = (long long)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_FLOAT):
tmp.floatv = (float)src->value.uint16v;
break;
case CASE(NC_USHORT,NC_DOUBLE):
tmp.doublev = (double)src->value.uint16v;
break;
case CASE(NC_UINT,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.uint32v;
break;
case CASE(NC_UINT,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.uint32v;
break;
case CASE(NC_UINT,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.uint32v;
break;
case CASE(NC_UINT,NC_UINT):
tmp.uint32v = (unsigned int)src->value.uint32v;
break;
case CASE(NC_UINT,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.uint32v;
break;
case CASE(NC_UINT,NC_SHORT):
tmp.int16v = (short)src->value.uint32v;
break;
case CASE(NC_UINT,NC_INT):
tmp.int32v = (int)src->value.uint32v;
break;
case CASE(NC_UINT,NC_INT64):
tmp.int64v = (long long)src->value.uint32v;
break;
case CASE(NC_UINT,NC_FLOAT):
tmp.floatv = (float)src->value.uint32v;
break;
case CASE(NC_UINT,NC_DOUBLE):
tmp.doublev = (double)src->value.uint32v;
break;
case CASE(NC_UINT64,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_UINT):
tmp.uint32v = (unsigned int)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_SHORT):
tmp.int16v = (short)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_INT):
tmp.int32v = (int)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_INT64):
tmp.int64v = (long long)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_FLOAT):
tmp.floatv = (float)src->value.uint64v;
break;
case CASE(NC_UINT64,NC_DOUBLE):
tmp.doublev = (double)src->value.uint64v;
break;
case CASE(NC_SHORT,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.int16v;
break;
case CASE(NC_SHORT,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.int16v;
break;
case CASE(NC_SHORT,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.int16v;
break;
case CASE(NC_SHORT,NC_UINT):
tmp.uint32v = (unsigned int)src->value.int16v;
break;
case CASE(NC_SHORT,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.int16v;
break;
case CASE(NC_SHORT,NC_SHORT):
tmp.int16v = (short)src->value.int16v;
break;
case CASE(NC_SHORT,NC_INT):
tmp.int32v = (int)src->value.int16v;
break;
case CASE(NC_SHORT,NC_INT64):
tmp.int64v = (long long)src->value.int16v;
break;
case CASE(NC_SHORT,NC_FLOAT):
tmp.floatv = (float)src->value.int16v;
break;
case CASE(NC_SHORT,NC_DOUBLE):
tmp.doublev = (double)src->value.int16v;
break;
case CASE(NC_INT,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.int32v;
break;
case CASE(NC_INT,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.int32v;
break;
case CASE(NC_INT,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.int32v;
break;
case CASE(NC_INT,NC_UINT):
tmp.uint32v = (unsigned int)src->value.int32v;
break;
case CASE(NC_INT,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.int32v;
break;
case CASE(NC_INT,NC_SHORT):
tmp.int16v = (short)src->value.int32v;
break;
case CASE(NC_INT,NC_INT):
tmp.int32v = (int)src->value.int32v;
break;
case CASE(NC_INT,NC_INT64):
tmp.int64v = (long long)src->value.int32v;
break;
case CASE(NC_INT,NC_FLOAT):
tmp.floatv = (float)src->value.int32v;
break;
case CASE(NC_INT,NC_DOUBLE):
tmp.doublev = (double)src->value.int32v;
break;
case CASE(NC_INT64,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.int64v;
break;
case CASE(NC_INT64,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.int64v;
break;
case CASE(NC_INT64,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.int64v;
break;
case CASE(NC_INT64,NC_UINT):
tmp.uint32v = (unsigned int)src->value.int64v;
break;
case CASE(NC_INT64,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.int64v;
break;
case CASE(NC_INT64,NC_SHORT):
tmp.int16v = (short)src->value.int64v;
break;
case CASE(NC_INT64,NC_INT):
tmp.int32v = (int)src->value.int64v;
break;
case CASE(NC_INT64,NC_INT64):
tmp.int64v = (long long)src->value.int64v;
break;
case CASE(NC_INT64,NC_FLOAT):
tmp.floatv = (float)src->value.int64v;
break;
case CASE(NC_INT64,NC_DOUBLE):
tmp.doublev = (double)src->value.int64v;
break;
case CASE(NC_FLOAT,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_UINT):
tmp.uint32v = (unsigned int)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_SHORT):
tmp.int16v = (short)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_INT):
tmp.int32v = (int)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_INT64):
tmp.int64v = (long long)src->value.floatv;
break;
case CASE(NC_FLOAT,NC_FLOAT):
tmp.floatv = src->value.floatv;
break;
case CASE(NC_FLOAT,NC_DOUBLE):
tmp.doublev = (isnan(src->value.floatv)?NAN:(double)src->value.floatv);
break;
case CASE(NC_DOUBLE,NC_BYTE):
tmp.uint8v = (unsigned char)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_UBYTE):
tmp.uint8v = (unsigned char)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_USHORT):
tmp.uint16v = (unsigned short)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_UINT):
tmp.uint32v = (unsigned int)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_UINT64):
tmp.uint64v = (unsigned long long)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_SHORT):
tmp.int16v = (short)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_INT):
tmp.int32v = (int)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_INT64):
tmp.int64v = (long long)src->value.doublev;
break;
case CASE(NC_DOUBLE,NC_FLOAT):
tmp.floatv = (isnan(src->value.doublev)?NANF:(float)src->value.doublev);
break;
case CASE(NC_DOUBLE,NC_DOUBLE):
tmp.doublev = (double)src->value.doublev;
break;
/* Conversion of a string to e.g. an integer should be what?*/
#ifdef _MSC_VER
case CASE(NC_STRING,NC_BYTE):
sscanf(src->value.stringv.stringv,"%d",&byteval); tmp.int8v = (char)byteval; break;
case CASE(NC_STRING,NC_UBYTE):
sscanf(src->value.stringv.stringv,"%d",&byteval); tmp.uint8v = (unsigned char)byteval; break;
#else
case CASE(NC_STRING,NC_BYTE):
sscanf(src->value.stringv.stringv,"%hhd",&tmp.int8v); break;
case CASE(NC_STRING,NC_UBYTE):
sscanf(src->value.stringv.stringv,"%hhu",&tmp.uint8v); break;
#endif
case CASE(NC_STRING,NC_USHORT):
sscanf(src->value.stringv.stringv,"%hu",&tmp.uint16v); break;
case CASE(NC_STRING,NC_UINT):
sscanf(src->value.stringv.stringv,"%u",&tmp.uint32v); break;
case CASE(NC_STRING,NC_UINT64):
sscanf(src->value.stringv.stringv,"%llu",&tmp.uint64v); break;
case CASE(NC_STRING,NC_SHORT):
sscanf(src->value.stringv.stringv,"%hd",&tmp.int16v); break;
case CASE(NC_STRING,NC_INT):
sscanf(src->value.stringv.stringv,"%d",&tmp.int32v); break;
case CASE(NC_STRING,NC_INT64):
sscanf(src->value.stringv.stringv,"%lld",&tmp.int64v); break;
case CASE(NC_STRING,NC_FLOAT):
sscanf(src->value.stringv.stringv,"%g",&tmp.floatv); break;
case CASE(NC_STRING,NC_DOUBLE):
sscanf(src->value.stringv.stringv,"%lg",&tmp.doublev); break;
case CASE(NC_STRING,NC_CHAR):
tmp.charv = src->value.stringv.stringv[0];
break;
case CASE(NC_STRING,NC_STRING):
/* Need to watch out for embedded NULs */
tmp.stringv.len = src->value.stringv.len;
tmp.stringv.stringv = (char*)ecalloc(src->value.stringv.len+1);
memcpy((void*)tmp.stringv.stringv,
(void*)src->value.stringv.stringv,
tmp.stringv.len);
tmp.stringv.stringv[tmp.stringv.len] = '\0';
break;
/* What is the proper conversion for T->STRING?*/
case CASE(NC_CHAR,NC_STRING):
sprintf(stmp,"%c",src->value.charv);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_BYTE,NC_STRING):
sprintf(stmp,"%hhd",src->value.uint8v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_UBYTE,NC_STRING):
sprintf(stmp,"%hhu",src->value.uint8v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_USHORT,NC_STRING):
sprintf(stmp,"%hu",src->value.uint16v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_UINT,NC_STRING):
sprintf(stmp,"%u",src->value.uint32v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_UINT64,NC_STRING):
sprintf(stmp,"%llu",src->value.uint64v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_SHORT,NC_STRING):
sprintf(stmp,"%hd",src->value.int16v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_INT,NC_STRING):
sprintf(stmp,"%d",src->value.int32v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_INT64,NC_STRING):
sprintf(stmp,"%lld",src->value.int64v);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_FLOAT,NC_STRING):
sprintf(stmp,"%.8g",src->value.floatv);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_DOUBLE,NC_STRING):
sprintf(stmp,"%.8g",src->value.doublev);
tmp.stringv.len = nulllen(stmp);
tmp.stringv.stringv = nulldup(stmp);
break;
case CASE(NC_OPAQUE,NC_CHAR):
if(bytes)
tmp.charv = *(char*)bytes;
break;
case CASE(NC_OPAQUE,NC_BYTE):
if(bytes)
tmp.uint8v = *(unsigned char*)bytes;
break;
case CASE(NC_OPAQUE,NC_UBYTE):
if(bytes)
tmp.uint8v = *(unsigned char*)bytes;
break;
case CASE(NC_OPAQUE,NC_USHORT):
if(bytes)
tmp.uint16v = *(unsigned short*)bytes;
break;
case CASE(NC_OPAQUE,NC_UINT):
if(bytes)
tmp.uint32v = *(unsigned int*)bytes;
break;
case CASE(NC_OPAQUE,NC_UINT64):
if(bytes)
tmp.uint64v = *(unsigned long long*)bytes;
break;
case CASE(NC_OPAQUE,NC_SHORT):
if(bytes)
tmp.int16v = *(short*)bytes;
break;
case CASE(NC_OPAQUE,NC_INT):
if(bytes)
tmp.int32v = *(int*)bytes;
break;
case CASE(NC_OPAQUE,NC_INT64):
if(bytes)
tmp.int64v = *(long long*)bytes;
break;
case CASE(NC_OPAQUE,NC_FLOAT):
if(bytes)
tmp.floatv = *(float*)bytes;
break;
case CASE(NC_OPAQUE,NC_DOUBLE):
if(bytes)
tmp.doublev = *(double*)bytes;
break;
case CASE(NC_OPAQUE,NC_OPAQUE):
tmp.opaquev.stringv = (char*)ecalloc(src->value.opaquev.len+1);
memcpy(tmp.opaquev.stringv,src->value.opaquev.stringv,src->value.opaquev.len);
tmp.opaquev.len = src->value.opaquev.len;
tmp.opaquev.stringv[tmp.opaquev.len] = '\0';
break;
case CASE(NC_NIL,NC_NIL):
break; /* probably will never happen */
case CASE(NC_NIL,NC_STRING):
tmp.stringv.len = 0;
tmp.stringv.stringv = NULL;
break;
/* We are missing all CASE(X,NC_ECONST) cases*/
default:
semerror(lineno,"transform: illegal conversion: %s/%d -> %s/%d",
nctypename(src->nctype),src->nctype,
nctypename(dst->nctype),dst->nctype);
break;;
}
if(bytes != NULL) efree(bytes); /* cleanup*/
/* overwrite minimum necessary parts*/
dst->value = tmp;
}
#ifdef IGNORE
/* Force an Opaque or string to conform to a given length*/
void
setprimlength(NCConstant* prim, unsigned long len)
{
ASSERT(isprimplus(prim->nctype));
if(prim->nctype == NC_STRING) {
if(prim->value.stringv.len == len) {
/* do nothing*/
} else if(prim->value.stringv.len > len) { /* truncate*/
prim->value.stringv.stringv[len] = '\0';
prim->value.stringv.len = len;
} else {/* prim->value.stringv.len > srcov->len*/
char* s;
s = (char*)ecalloc(len+1);
memset(s,NC_FILL_CHAR,len);
s[len] = '\0';
memcpy(s,prim->value.stringv.stringv,prim->value.stringv.len);
efree(prim->value.stringv.stringv);
prim->value.stringv.stringv = s;
prim->value.stringv.len = len;
}
} else if(prim->nctype == NC_OPAQUE) {
/* Note that expansion/contraction is in terms of whole
bytes = 2 nibbles */
ASSERT((len % 2) == 0);
if(prim->value.opaquev.len == len) {
/* do nothing*/
} else if(prim->value.opaquev.len > len) { /* truncate*/
prim->value.opaquev.stringv[len] = '\0';
prim->value.opaquev.len = len;
} else {/* prim->value.opaquev.len < len => expand*/
char* s;
s = (char*)ecalloc(len+1);
memset(s,'0',len);
memcpy(s,prim->value.opaquev.stringv,prim->value.opaquev.len);
s[len] = '\0';
efree(prim->value.opaquev.stringv);
prim->value.opaquev.stringv=s;
prim->value.opaquev.len = len;
}
}
}
#endif
Datalist*
convertstringtochars(NCConstant* str)
{
int i;
Datalist* dl;
int slen;
char* s;
slen = str->value.stringv.len;
dl = builddatalist(slen);
s = str->value.stringv.stringv;
for(i=0;i<slen;i++) {
NCConstant con;
con.nctype = NC_CHAR;
con.lineno = str->lineno;
con.value.charv = s[i];
con.filled = 0;
dlappend(dl,&con);
}
return dl;
}
unsigned int
convertFilterID(const char* id)
{
unsigned int nid = 0;
int ok = 0;
/* for now, must be an integer */
ok = sscanf(id,"%u",&nid);
if(ok == 1)
return nid;
return 0; /* Not a recognizable id */
}
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