xerces-c-3.0.1/2.7.0 can not deal with high GBK file
There is a bug inside util/Transcoders/IconvGNU/IconvGNUTransService.cpp.
1027 for (size_t cnt = 0; cnt < maxChars && srcLen; cnt++) {
1028 size_t rc = iconvFrom(startSrc, &srcLen, &orgTarget,
uChSize());
1029 if (rc == (size_t)-1) {
1030 if (errno != E2BIG || prevSrcLen == srcLen) {
1031 ThrowXMLwithMemMgr(TranscodingException,
XMLExcepts::Trans_BadSrcSeq, getMemoryManager());
1032 }
1033 }
1034 charSizes[cnt] = prevSrcLen - srcLen;
1035 prevSrcLen = srcLen;
1036 bytesEaten += charSizes[cnt];
1037 startSrc = endSrc - srcLen;
1038 toReturn++;
1039 }
If a huge file is passed to xerces, partial text will be passed to
IconvGNUTranscoder, and an incomplete multibyte sequence will been
encountered in the input.
errno EINVAL is for that. But the errno of EINVAL is unchecked.
Regards,
Kirby Zhou
from SOHU-RD +86-10-6272-8261
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