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db2i_myconv.cc
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/*
Licensed Materials - Property of IBM
DB2 Storage Engine Enablement
Copyright IBM Corporation 2007,2008
All rights reserved
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
(a) Redistributions of source code must retain this list of conditions, the
copyright notice in section {d} below, and the disclaimer following this
list of conditions.
(b) Redistributions in binary form must reproduce this list of conditions, the
copyright notice in section (d) below, and the disclaimer following this
list of conditions, in the documentation and/or other materials provided
with the distribution.
(c) The name of IBM may not be used to endorse or promote products derived from
this software without specific prior written permission.
(d) The text of the required copyright notice is:
Licensed Materials - Property of IBM
DB2 Storage Engine Enablement
Copyright IBM Corporation 2007,2008
All rights reserved
THIS SOFTWARE IS PROVIDED BY IBM CORPORATION "AS IS" AND ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL IBM CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
/**
@file
@brief A direct map optimization of iconv and related functions
This was show to significantly reduce character conversion cost
for short strings when compared to calling iconv system code.
*/
#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <errno.h>
#include <iconv.h>
// #include "/QOpenSys/usr/include/iconv.h"
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#include <as400_protos.h>
#include "db2i_myconv.h"
#include "db2i_global.h"
int32_t myconvDebug = 0;
EXTERN int myconvGetES(CCSID);
EXTERN int myconvIsEBCDIC(const char *);
EXTERN int myconvIsASCII(const char *);
EXTERN int myconvIsUnicode(const char *); /* UTF-8, UTF-16, or UCS-2 */
EXTERN int myconvIsUnicode2(const char *); /* 2 byte Unicode */
EXTERN int myconvIsUCS2(const char *);
EXTERN int myconvIsUTF16(const char *);
EXTERN int myconvIsUTF8(const char *);
EXTERN int myconvIsEUC(const char *);
EXTERN int myconvIsISO(const char *);
EXTERN int myconvIsSBCS(const char *);
EXTERN int myconvIsDBCS(const char *);
EXTERN char myconvGetSubS(const char *);
EXTERN UniChar myconvGetSubD(const char *);
/*
static char szGetTimeString[20];
static char * GetTimeString(time_t now)
{
struct tm * tm;
now = time(&now);
tm = (struct tm *) localtime(&now);
sprintf(szGetTimeString, "%04d/%02d/%02d %02d:%02d:%02d",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
return szGetTimeString;
}
*/
static MEM_ROOT dmapMemRoot;
EXTERN void initMyconv()
{
init_alloc_root(&dmapMemRoot, "ibmdb2i", 0x200 + ALLOC_ROOT_MIN_BLOCK_SIZE, 0, MYF(0));
}
EXTERN void cleanupMyconv()
{
free_root(&dmapMemRoot,0);
}
#ifdef DEBUG
/* type: */
#define STDOUT_WITH_TIME -1 /* to stdout with time */
#define STDERR_WITH_TIME -2 /* to stderr with time */
#define STDOUT_WO_TIME 1 /* : to stdout */
#define STDERR_WO_TIME 2 /* : to stderr */
static void MyPrintf(long type,
char * fmt, ...)
{
char StdoutFN[256];
va_list ap;
char * p;
time_t now;
FILE * fd=stderr;
if (type < 0)
{
now = time(&now);
fprintf(fd, "%s ", GetTimeString(now));
}
va_start(ap, fmt);
vfprintf(fd, fmt, ap);
va_end(ap);
}
#endif
#define MAX_CONVERTER 128
int32_t mycstoccsid(const char* pname)
{
if (strcmp(pname, "UTF-16")==0)
return 1200;
else if (strcmp(pname, "big5")==0)
return 950;
else
return cstoccsid(pname);
}
#define cstoccsid mycstoccsid
static struct __myconv_rec myconv_rec [MAX_CONVERTER];
static struct __dmap_rec dmap_rec [MAX_CONVERTER];
static int dmap_open(const char * to,
const char * from,
const int32_t idx)
{
if (myconvIsSBCS(from) && myconvIsSBCS(to)) {
dmap_rec[idx].codingSchema = DMAP_S2S;
if ((dmap_rec[idx].dmapS2S = (uchar *) alloc_root(&dmapMemRoot, 0x100)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_S2S, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapS2S, 0x00, 0x100);
myconv_rec[idx].allocatedSize=0x100;
{
char dmapSrc[0x100];
iconv_t cd;
int32_t i;
size_t inBytesLeft=0x100;
size_t outBytesLeft=0x100;
size_t len;
char * inBuf=dmapSrc;
char * outBuf=(char *) dmap_rec[idx].dmapS2S;
if ((cd = iconv_open(to, from)) == (iconv_t) -1) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
inBytesLeft = 0x100;
for (i = 0; i < (int) inBytesLeft; ++i)
dmapSrc[i]=i;
do {
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d: iconv() returns %d, errno = %d in %s at %d\n",
to, from, idx, DMAP_S2S, len, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WITH_TIME,
"inBytesLeft = %d, inBuf - dmapSrc = %d\n", inBytesLeft, inBuf-dmapSrc);
MyPrintf(STDERR_WITH_TIME,
"outBytesLeft = %d, outBuf - dmapS2S = %d\n", outBytesLeft, outBuf-(char *) dmap_rec[idx].dmapS2S);
}
if ((inBytesLeft == 86 || inBytesLeft == 64 || inBytesLeft == 1) &&
memcmp(from, "IBM-1256", 9) == 0 &&
memcmp(to, "IBM-420", 8) == 0) {
/* Known problem for IBM-1256_IBM-420 */
--inBytesLeft;
++inBuf;
*outBuf=0x00;
++outBuf;
--outBytesLeft;
continue;
} else if ((inBytesLeft == 173 || inBytesLeft == 172 ||
inBytesLeft == 74 || inBytesLeft == 73 ||
inBytesLeft == 52 || inBytesLeft == 50 ||
inBytesLeft == 31 || inBytesLeft == 20 ||
inBytesLeft == 6) &&
memcmp(to, "IBM-1256", 9) == 0 &&
memcmp(from, "IBM-420", 8) == 0) {
/* Known problem for IBM-420_IBM-1256 */
--inBytesLeft;
++inBuf;
*outBuf=0x00;
++outBuf;
--outBytesLeft;
continue;
} else if ((128 >= inBytesLeft) &&
memcmp(to, "IBM-037", 8) == 0 &&
memcmp(from, "IBM-367", 8) == 0) {
/* Known problem for IBM-367_IBM-037 */
--inBytesLeft;
++inBuf;
*outBuf=0x00;
++outBuf;
--outBytesLeft;
continue;
} else if (((1 <= inBytesLeft && inBytesLeft <= 4) || (97 <= inBytesLeft && inBytesLeft <= 128)) &&
memcmp(to, "IBM-838", 8) == 0 &&
memcmp(from, "TIS-620", 8) == 0) {
/* Known problem for TIS-620_IBM-838 */
--inBytesLeft;
++inBuf;
*outBuf=0x00;
++outBuf;
--outBytesLeft;
continue;
}
iconv_close(cd);
return -1;
#else
/* Tolerant to undefined conversions for any converter */
--inBytesLeft;
++inBuf;
*outBuf=0x00;
++outBuf;
--outBytesLeft;
continue;
#endif
}
} while (inBytesLeft > 0);
if (myconvIsISO(to))
myconv_rec[idx].subS=0x1A;
else if (myconvIsASCII(to))
myconv_rec[idx].subS=0x7F;
else if (myconvIsEBCDIC(to))
myconv_rec[idx].subS=0x3F;
if (myconvIsISO(from))
myconv_rec[idx].srcSubS=0x1A;
else if (myconvIsASCII(from))
myconv_rec[idx].srcSubS=0x7F;
else if (myconvIsEBCDIC(from))
myconv_rec[idx].srcSubS=0x3F;
iconv_close(cd);
}
} else if (((myconvIsSBCS(from) && myconvIsUnicode2(to)) && (dmap_rec[idx].codingSchema = DMAP_S2U)) ||
((myconvIsSBCS(from) && myconvIsUTF8(to)) && (dmap_rec[idx].codingSchema = DMAP_S28))) {
/* single byte mapping */
if ((dmap_rec[idx].dmapD12U = (UniChar *) alloc_root(&dmapMemRoot, 0x100 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_S2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapD12U, 0x00, 0x100 * 2);
myconv_rec[idx].allocatedSize=0x100 * 2;
{
char dmapSrc[2];
iconv_t cd;
int32_t i;
size_t inBytesLeft;
size_t outBytesLeft;
size_t len;
char * inBuf;
char * outBuf;
#ifdef support_surrogate
if ((cd = iconv_open("UTF-16", from)) == (iconv_t) -1) {
#else
if ((cd = iconv_open("UCS-2", from)) == (iconv_t) -1) {
#endif
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
for (i = 0; i < 0x100; ++i) {
dmapSrc[0]=i;
inBuf=dmapSrc;
inBytesLeft=1;
outBuf=(char *) &(dmap_rec[idx].dmapD12U[i]);
outBytesLeft=2;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if ((errno == EILSEQ || errno == EINVAL) &&
inBytesLeft == 1 &&
outBytesLeft == 2) {
continue;
} else {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(cd,%02x,%d,%02x%02x,%d), errno = %d in %s at %d\n",
to, from, idx, dmapSrc[0], 1,
(&dmap_rec[idx].dmapD12U[i])[0],(&dmap_rec[idx].dmapD12U[i])[1], 2,
errno, __FILE__,__LINE__);
MyPrintf(STDERR_WITH_TIME,
"inBytesLeft=%d, outBytesLeft=%d, %02x%02x\n",
inBytesLeft, outBytesLeft,
(&dmap_rec[idx].dmapD12U[i])[0],(&dmap_rec[idx].dmapD12U[i])[1]);
}
#endif
iconv_close(cd);
return -1;
}
dmap_rec[idx].dmapD12U[i]=0x0000;
}
if (dmap_rec[idx].dmapE02U[i] == 0x001A && /* pick the first one */
myconv_rec[idx].srcSubS == 0x00) {
myconv_rec[idx].srcSubS=i;
}
}
iconv_close(cd);
}
myconv_rec[idx].subS=0x1A;
myconv_rec[idx].subD=0xFFFD;
} else if (((myconvIsUCS2(from) && myconvIsSBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_U2S)) ||
((myconvIsUTF16(from) && myconvIsSBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_T2S)) ||
((myconvIsUTF8(from) && myconvIsSBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_82S))) {
/* UTF-16 -> SBCS, the direct map a bit of waste of space,
* binary search may be reasonable alternative
*/
if ((dmap_rec[idx].dmapU2S = (uchar *) alloc_root(&dmapMemRoot, 0x10000 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_U2S, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapU2S, 0x00, 0x10000);
myconv_rec[idx].allocatedSize=(0x10000 * 2);
{
iconv_t cd;
int32_t i;
#ifdef support_surrogate
if ((cd = iconv_open(to, "UTF-16")) == (iconv_t) -1) {
#else
if ((cd = iconv_open(to, "UCS-2")) == (iconv_t) -1) {
#endif
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
for (i = 0; i < 0x100; ++i) {
UniChar dmapSrc[0x100];
int32_t j;
for (j = 0; j < 0x100; ++j) {
dmapSrc[j]=i * 0x100 + j;
}
char * inBuf=(char *) dmapSrc;
char * outBuf=(char *) &(dmap_rec[idx].dmapU2S[i*0x100]);
size_t inBytesLeft=sizeof(dmapSrc);
size_t outBytesLeft=0x100;
size_t len;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if (inBytesLeft == 0 && outBytesLeft == 0) { /* a number of substitution returns */
continue;
}
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
from, to, idx, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WITH_TIME,
"iconv() retuns %d, errno=%d, InBytesLeft=%d, OutBytesLeft=%d\n",
len, errno, inBytesLeft, outBytesLeft, __FILE__,__LINE__);
}
#endif
iconv_close(cd);
return -1;
}
}
iconv_close(cd);
myconv_rec[idx].subS = dmap_rec[idx].dmapU2S[0x1A];
myconv_rec[idx].subD = dmap_rec[idx].dmapU2S[0xFFFD];
myconv_rec[idx].srcSubS = 0x1A;
myconv_rec[idx].srcSubD = 0xFFFD;
}
} else if (((myconvIsDBCS(from) && myconvIsUnicode2(to)) && (dmap_rec[idx].codingSchema = DMAP_D2U)) ||
((myconvIsDBCS(from) && myconvIsUTF8(to)) && (dmap_rec[idx].codingSchema = DMAP_D28))) {
/* single byte mapping */
if ((dmap_rec[idx].dmapD12U = (UniChar *) alloc_root(&dmapMemRoot, 0x100 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_D2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapD12U, 0x00, 0x100 * 2);
/* double byte mapping, assume 7 bit ASCII is not use as the first byte of DBCS. */
if ((dmap_rec[idx].dmapD22U = (UniChar *) alloc_root(&dmapMemRoot, 0x8000 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_D2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapD22U, 0x00, 0x8000 * 2);
myconv_rec[idx].allocatedSize=(0x100 + 0x8000) * 2;
{
char dmapSrc[2];
iconv_t cd;
int32_t i;
size_t inBytesLeft;
size_t outBytesLeft;
size_t len;
char * inBuf;
char * outBuf;
#ifdef support_surrogate
if ((cd = iconv_open("UTF-16", from)) == (iconv_t) -1) {
#else
if ((cd = iconv_open("UCS-2", from)) == (iconv_t) -1) {
#endif
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
for (i = 0; i < 0x100; ++i) {
dmapSrc[0]=i;
inBuf=dmapSrc;
inBytesLeft=1;
outBuf=(char *) (&dmap_rec[idx].dmapD12U[i]);
outBytesLeft=2;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if ((errno == EILSEQ || errno == EINVAL) &&
inBytesLeft == 1 &&
outBytesLeft == 2) {
continue;
} else {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(cd,%02x,%d,%02x%02x,%d), errno = %d in %s at %d\n",
to, from, idx, dmapSrc[0], 1,
(&dmap_rec[idx].dmapD12U[i])[0],(&dmap_rec[idx].dmapD12U[i])[1], 2,
errno, __FILE__,__LINE__);
MyPrintf(STDERR_WITH_TIME,
"inBytesLeft=%d, outBytesLeft=%d, %02x%02x\n",
inBytesLeft, outBytesLeft,
(&dmap_rec[idx].dmapD12U[i])[0],(&dmap_rec[idx].dmapD12U[i])[1]);
}
#endif
iconv_close(cd);
return -1;
}
dmap_rec[idx].dmapD12U[i]=0x0000;
}
if (dmap_rec[idx].dmapD12U[i] == 0x001A && /* pick the first one */
myconv_rec[idx].srcSubS == 0x00) {
myconv_rec[idx].srcSubS=i;
}
}
for (i = 0x80; i < 0x100; ++i) {
int j;
if (dmap_rec[idx].dmapD12U[i] != 0x0000)
continue;
for (j = 0x01; j < 0x100; ++j) {
dmapSrc[0]=i;
dmapSrc[1]=j;
int offset = i-0x80;
offset<<=8;
offset+=j;
inBuf=dmapSrc;
inBytesLeft=2;
outBuf=(char *) &(dmap_rec[idx].dmapD22U[offset]);
outBytesLeft=2;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if (inBytesLeft == 2 && outBytesLeft == 2 && (errno == EILSEQ || errno == EINVAL)) {
; /* invalid DBCS character, dmapDD2U[offset] remains 0x0000 */
} else {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(cd,%p,2,%p,2), errno = %d in %s at %d\n",
to, from, idx,
dmapSrc, &(dmap_rec[idx].dmapD22U[offset]),
errno, __FILE__,__LINE__);
MyPrintf(STDERR_WO_TIME,
"iconv(cd,0x%02x%02x,2,0x%04x,2) returns %d, inBytesLeft=%d, outBytesLeft=%d\n",
dmapSrc[0], dmapSrc[1],
dmap_rec[idx].dmapD22U[offset],
len, inBytesLeft, outBytesLeft);
}
#endif
iconv_close(cd);
return -1;
}
} else {
#ifdef TRACE_DMAP
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), rc=%d, errno=%d in %s at %d\n",
to, from, idx, len, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WITH_TIME,
"%04X: src=%04X%04X, inBuf=0x%02X%02X, inBytesLeft=%d, outBuf=%02X%02X%02X, outBytesLeft=%d\n",
i, dmapSrc[0], dmapSrc[1], inBuf[0], inBuf[1],
inBytesLeft, outBuf[-2], outBuf[-1], outBuf[0], outBytesLeft);
MyPrintf(STDERR_WITH_TIME,
"&dmapSrc=%p, inBuf=%p, %p, outBuf=%p\n",
dmapSrc, inBuf, dmap_rec[idx].dmapU2M3 + (i - 0x80) * 2, outBuf);
}
#endif
}
}
if (dmap_rec[idx].dmapD12U[i] == 0xFFFD) { /* pick the last one */
myconv_rec[idx].srcSubD=i* 0x100 + j;
}
}
iconv_close(cd);
}
myconv_rec[idx].subS=0x1A;
myconv_rec[idx].subD=0xFFFD;
myconv_rec[idx].srcSubD=0xFCFC;
} else if (((myconvIsUCS2(from) && myconvIsDBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_U2D)) ||
((myconvIsUTF16(from) && myconvIsDBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_T2D)) ||
((myconvIsUTF8(from) && myconvIsDBCS(to)) && (dmap_rec[idx].codingSchema = DMAP_82D))) {
/* UTF-16 -> DBCS single/double byte */
/* A single table will cover all characters, assuming no second byte is 0x00. */
if ((dmap_rec[idx].dmapU2D = (uchar *) alloc_root(&dmapMemRoot, 0x10000 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_U2D, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapU2D, 0x00, 0x10000 * 2);
myconv_rec[idx].allocatedSize=(0x10000 * 2);
{
UniChar dmapSrc[1];
iconv_t cd;
int32_t i;
size_t inBytesLeft;
size_t outBytesLeft;
size_t len;
char * inBuf;
char * outBuf;
#ifdef support_surrogate
if ((cd = iconv_open(to, "UTF-16")) == (iconv_t) -1) {
#else
if ((cd = iconv_open(to, "UCS-2")) == (iconv_t) -1) {
#endif
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
/* easy implementation, convert 1 Unicode character at one time. */
/* If the open performance is an issue, convert a chunk such as 128 chracters. */
/* if the converted length is not the same as the original, convert one by one. */
(dmap_rec[idx].dmapU2D)[0x0000]=0x00;
for (i = 1; i < 0x10000; ++i) {
dmapSrc[0]=i;
inBuf=(char *) dmapSrc;
inBytesLeft=2;
outBuf=(char *) &((dmap_rec[idx].dmapU2D)[2*i]);
outBytesLeft=2;
do {
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if (len == 1 && inBytesLeft == 0 && outBytesLeft == 1 && (dmap_rec[idx].dmapU2D)[2*i] == 0x1A) {
/* UCS-2_TIS-620:0x0080 => 0x1A, converted to SBCS replacement character */
(dmap_rec[idx].dmapU2D)[2*i+1]=0x00;
break;
} else if (len == 1 && inBytesLeft == 0 && outBytesLeft == 0) {
break;
}
if (errno == EILSEQ || errno == EINVAL) {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WO_TIME,
"iconv(cd,%04x,2,%02x%02x,2) returns inBytesLeft=%d, outBytesLeft=%d\n",
dmapSrc[0],
(dmap_rec[idx].dmapU2D)[2*i], (dmap_rec[idx].dmapU2D)[2*i+1],
inBytesLeft, outBytesLeft);
if (outBuf - (char *) dmap_rec[idx].dmapU2M2 > 1)
MyPrintf(STDERR_WO_TIME, "outBuf[-2..2]=%02X%02X%02X%02X%02X\n", outBuf[-2],outBuf[-1],outBuf[0],outBuf[1],outBuf[2]);
else
MyPrintf(STDERR_WO_TIME, "outBuf[0..2]=%02X%02X%02X\n", outBuf[0],outBuf[1],outBuf[2]);
}
#endif
inBuf+=2;
inBytesLeft-=2;
memcpy(outBuf, (char *) &(myconv_rec[idx].subD), 2);
outBuf+=2;
outBytesLeft-=2;
} else {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"[%d] dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
i, to, from, idx, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WO_TIME,
"iconv(cd,%04x,2,%02x%02x,2) returns %d inBytesLeft=%d, outBytesLeft=%d\n",
dmapSrc[0],
(dmap_rec[idx].dmapU2D)[2*i],
(dmap_rec[idx].dmapU2D)[2*i+1],
len, inBytesLeft,outBytesLeft);
if (i == 1) {
MyPrintf(STDERR_WO_TIME,
" inBuf [-1..2]=%02x%02x%02x%02x\n",
inBuf[-1],inBuf[0],inBuf[1],inBuf[2]);
MyPrintf(STDERR_WO_TIME,
" outBuf [-1..2]=%02x%02x%02x%02x\n",
outBuf[-1],outBuf[0],outBuf[1],outBuf[2]);
} else {
MyPrintf(STDERR_WO_TIME,
" inBuf [-2..2]=%02x%02x%02x%02x%02x\n",
inBuf[-2],inBuf[-1],inBuf[0],inBuf[1],inBuf[2]);
MyPrintf(STDERR_WO_TIME,
" outBuf [-2..2]=%02x%02x%02x%02x%02x\n",
outBuf[-2],outBuf[-1],outBuf[0],outBuf[1],outBuf[2]);
}
#endif
iconv_close(cd);
return -1;
}
if (len == 0 && inBytesLeft == 0 && outBytesLeft == 1) { /* converted to SBCS */
(dmap_rec[idx].dmapU2D)[2*i+1]=0x00;
break;
}
}
} while (inBytesLeft > 0);
}
iconv_close(cd);
myconv_rec[idx].subS = dmap_rec[idx].dmapU2D[2*0x1A];
myconv_rec[idx].subD = dmap_rec[idx].dmapU2D[2*0xFFFD] * 0x100
+ dmap_rec[idx].dmapU2D[2*0xFFFD+1];
myconv_rec[idx].srcSubS = 0x1A;
myconv_rec[idx].srcSubD = 0xFFFD;
}
} else if (((myconvIsEUC(from) && myconvIsUnicode2(to)) && (dmap_rec[idx].codingSchema = DMAP_E2U)) ||
((myconvIsEUC(from) && myconvIsUTF8(to)) && (dmap_rec[idx].codingSchema = DMAP_E28))) {
/* S0: 0x00 - 0x7F */
if ((dmap_rec[idx].dmapE02U = (UniChar *) alloc_root(&dmapMemRoot, 0x100 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_E2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapE02U, 0x00, 0x100 * 2);
/* S1: 0xA0 - 0xFF, 0xA0 - 0xFF */
if ((dmap_rec[idx].dmapE12U = (UniChar *) alloc_root(&dmapMemRoot, 0x60 * 0x60 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_E2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapE12U, 0x00, 0x60 * 0x60 * 2);
/* SS2: 0x8E + 0xA0 - 0xFF, 0xA0 - 0xFF */
if ((dmap_rec[idx].dmapE22U = (UniChar *) alloc_root(&dmapMemRoot, 0x60 * 0x61 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_E2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapE22U, 0x00, 0x60 * 0x61 * 2);
/* SS3: 0x8F + 0xA0 - 0xFF, 0xA0 - 0xFF */
if ((dmap_rec[idx].dmapE32U = (UniChar *) alloc_root(&dmapMemRoot, 0x60 * 0x61 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_E2U, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapE32U, 0x00, 0x60 * 0x61 * 2);
myconv_rec[idx].allocatedSize=(0x100 + 0x60 * 0x60 + 0x60 * 0x61* 2) * 2;
{
char dmapSrc[0x60 * 0x60 * 3];
iconv_t cd;
int32_t i;
size_t inBytesLeft;
size_t outBytesLeft;
size_t len;
char * inBuf;
char * outBuf;
char SS=0x8E;
#ifdef support_surrogate
if ((cd = iconv_open("UTF-16", from)) == (iconv_t) -1) {
#else
if ((cd = iconv_open("UCS-2", from)) == (iconv_t) -1) {
#endif
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed with iconv_open(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
return -1;
}
for (i = 0; i < 0x100; ++i) {
dmapSrc[0]=i;
inBuf=dmapSrc;
inBytesLeft=1;
outBuf=(char *) (&dmap_rec[idx].dmapE02U[i]);
outBytesLeft=2;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
}
#endif
dmap_rec[idx].dmapE02U[i]=0x0000;
}
if (dmap_rec[idx].dmapE02U[i] == 0x001A && /* pick the first one */
myconv_rec[idx].srcSubS == 0x00) {
myconv_rec[idx].srcSubS=i;
}
}
inBuf=dmapSrc;
for (i = 0; i < 0x60; ++i) {
int j;
for (j = 0; j < 0x60; ++j) {
*inBuf=i+0xA0;
++inBuf;
*inBuf=j+0xA0;
++inBuf;
}
}
inBuf=dmapSrc;
inBytesLeft=0x60 * 0x60 * 2;
outBuf=(char *) dmap_rec[idx].dmapE12U;
outBytesLeft=0x60 * 0x60 * 2;
do {
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if (errno == EILSEQ) {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WO_TIME, "inBytesLeft=%d, outBytesLeft=%d\n", inBytesLeft, outBytesLeft);
if (inBuf - dmapSrc > 1 && inBuf - dmapSrc <= sizeof(dmapSrc) - 2)
MyPrintf(STDERR_WO_TIME, "inBuf[-2..2]=%02X%02X%02X%02X%02X\n", inBuf[-2],inBuf[-1],inBuf[0],inBuf[1],inBuf[2]);
else
MyPrintf(STDERR_WO_TIME, "inBuf[0..2]=%02X%02X%02X\n", inBuf[0],inBuf[1],inBuf[2]);
if (outBuf - (char *) dmap_rec[idx].dmapE12U > 1)
MyPrintf(STDERR_WO_TIME, "outBuf[-2..2]=%02X%02X%02X%02X%02X\n", outBuf[-2],outBuf[-1],outBuf[0],outBuf[1],outBuf[2]);
else
MyPrintf(STDERR_WO_TIME, "outBuf[0..2]=%02X%02X%02X\n", outBuf[0],outBuf[1],outBuf[2]);
}
#endif
inBuf+=2;
inBytesLeft-=2;
outBuf[0]=0x00;
outBuf[1]=0x00;
outBuf+=2;
outBytesLeft-=2;
} else {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
to, from, idx, errno, __FILE__,__LINE__);
#endif
iconv_close(cd);
return -1;
}
}
} while (inBytesLeft > 0);
/* SS2: 0x8E + 1 or 2 bytes */
/* SS3: 0x8E + 1 or 2 bytes */
while (SS != 0x00) {
int32_t numSuccess=0;
for (i = 0; i < 0x60; ++i) {
inBuf=dmapSrc;
inBuf[0]=SS;
inBuf[1]=i+0xA0;
inBytesLeft=2;
if (SS == 0x8E)
outBuf=(char *) &(dmap_rec[idx].dmapE22U[i]);
else
outBuf=(char *) &(dmap_rec[idx].dmapE32U[i]);
outBytesLeft=2;
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
if (SS == 0x8E)
dmap_rec[idx].dmapE22U[i]=0x0000;
else
dmap_rec[idx].dmapE32U[i]=0x0000;
} else {
++numSuccess;
}
}
if (numSuccess == 0) { /* SS2 is 2 bytes */
inBuf=dmapSrc;
for (i = 0; i < 0x60; ++i) {
int j;
for (j = 0; j < 0x60; ++j) {
*inBuf=SS;
++inBuf;
*inBuf=i+0xA0;
++inBuf;
*inBuf=j+0xA0;
++inBuf;
}
}
inBuf=dmapSrc;
inBytesLeft=0x60 * 0x60 * 3;
if (SS == 0x8E)
outBuf=(char *) &(dmap_rec[idx].dmapE22U[0x60]);
else
outBuf=(char *) &(dmap_rec[idx].dmapE32U[0x60]);
outBytesLeft=0x60 * 0x60 * 2;
do {
if ((len = iconv(cd, &inBuf, &inBytesLeft, &outBuf, &outBytesLeft)) != (size_t) 0) {
#ifdef DEBUG
if (myconvDebug) {
MyPrintf(STDERR_WITH_TIME,
"%02X:dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
SS, to, from, idx, errno, __FILE__,__LINE__);
MyPrintf(STDERR_WO_TIME, "inBytesLeft=%d, outBytesLeft=%d\n", inBytesLeft, outBytesLeft);
if (inBuf - dmapSrc > 1 && inBuf - dmapSrc <= sizeof(dmapSrc) - 2)
MyPrintf(STDERR_WO_TIME, "inBuf[-2..2]=%02X%02X%02X%02X%02X\n", inBuf[-2],inBuf[-1],inBuf[0],inBuf[1],inBuf[2]);
else
MyPrintf(STDERR_WO_TIME, "inBuf[0..2]=%02X%02X%02X\n", inBuf[0],inBuf[1],inBuf[2]);
}
#endif
if (errno == EILSEQ || errno == EINVAL) {
inBuf+=3;
inBytesLeft-=3;
outBuf[0]=0x00;
outBuf[1]=0x00;
outBuf+=2;
outBytesLeft-=2;
} else {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"%02X:dmap_open(%s,%s,%d) failed to initialize with iconv(), errno = %d in %s at %d\n",
SS, to, from, idx, errno, __FILE__,__LINE__);
#endif
iconv_close(cd);
return -1;
}
}
} while (inBytesLeft > 0);
}
if (SS == 0x8E)
SS=0x8F;
else
SS = 0x00;
}
iconv_close(cd);
myconv_rec[idx].subS=0x1A;
myconv_rec[idx].subD=0xFFFD;
for (i = 0; i < 0x80; ++i) {
if (dmap_rec[idx].dmapE02U[i] == 0x001A) {
myconv_rec[idx].srcSubS=i; /* pick the first one */
break;
}
}
for (i = 0; i < 0x60 * 0x60; ++i) {
if (dmap_rec[idx].dmapE12U[i] == 0xFFFD) {
uchar byte1=i / 0x60;
uchar byte2=i % 0x60;
myconv_rec[idx].srcSubD=(byte1 + 0xA0) * 0x100 + (byte2 + 0xA0); /* pick the last one */
}
}
}
} else if (((myconvIsUCS2(from) && myconvIsEUC(to)) && (dmap_rec[idx].codingSchema = DMAP_U2E)) ||
((myconvIsUTF16(from) && myconvIsEUC(to)) && (dmap_rec[idx].codingSchema = DMAP_T2E)) ||
((myconvIsUTF8(from) && myconvIsEUC(to)) && (dmap_rec[idx].codingSchema = DMAP_82E))) {
/* S0: 0x00 - 0xFF */
if ((dmap_rec[idx].dmapU2S = (uchar *) alloc_root(&dmapMemRoot, 0x100)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_U2E, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapU2S, 0x00, 0x100);
/* U0080 - UFFFF -> S1: 0xA0 - 0xFF, 0xA0 - 0xFF */
if ((dmap_rec[idx].dmapU2M2 = (uchar *) alloc_root(&dmapMemRoot, 0xFF80 * 2)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_U2E, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapU2M2, 0x00, 0xFF80 * 2);
/* U0080 - UFFFF -> SS2: 0x8E + 0xA0 - 0xFF, 0xA0 - 0xFF
* SS3: 0x8F + 0xA0 - 0xFF, 0xA0 - 0xFF */
if ((dmap_rec[idx].dmapU2M3 = (uchar *) alloc_root(&dmapMemRoot, 0xFF80 * 3)) == NULL) {
#ifdef DEBUG
MyPrintf(STDERR_WITH_TIME,
"dmap_open(%s,%s,%d), CS=%d failed with malloc(), errno = %d in %s at %d\n",
to, from, idx, DMAP_U2E, errno, __FILE__,__LINE__);
#endif
return -1;
}
memset(dmap_rec[idx].dmapU2M3, 0x00, 0xFF80 * 3);
myconv_rec[idx].allocatedSize=(0x100 + 0xFF80 * 2 + 0xFF80 * 3);
{
UniChar dmapSrc[0x80];
iconv_t cd;