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Posted to c-dev@xerces.apache.org by "Alberto Massari (Resolved) (JIRA)" <xe...@xml.apache.org> on 2011/12/27 12:10:30 UTC
[jira] [Resolved] (XERCESC-1224)
IconvGNUTranscoder::transcodeFrom() is incomplete
[ https://issues.apache.org/jira/browse/XERCESC-1224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alberto Massari resolved XERCESC-1224.
--------------------------------------
Resolution: Duplicate
Fixed as part of XERCESC-1936
> IconvGNUTranscoder::transcodeFrom() is incomplete
> -------------------------------------------------
>
> Key: XERCESC-1224
> URL: https://issues.apache.org/jira/browse/XERCESC-1224
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.5.0
> Environment: Linux
> Reporter: Felix Li
>
> the snatch in this function:
> ...
> for (size_t cnt = 0; cnt < maxChars && srcLen; cnt++) {
> size_t rc = inconvFrom(startSrc, &srcLen, &orgTarget, uChSize());
> if (rc == (size_t)-1) {
> if(errno != E2BIG || prevSrcLen == srcLen) {
> if (wBufPtr)
> getMemoryManager()->deallocate(wBufPtr);
> ThrowXMLwithMemMgr(TranscodingException, XMLExcepts::Trans_BadSrcSeq, getMemoryManager());
> }
> }
> ...
> }
> ...
> When an incomplete multibyte sequence is encountered in the input, and the input byte sequence terminates after it, "(size_t)-1" is also returned, but errno is set to EINVAL.
> This is not an error, no exception should be created.
> So, I have changed the code as follows, and it worked well.
> ...
> for (size_t cnt = 0; cnt < maxChars && srcLen; cnt++) {
> ...
> if (rc == (size_t)-1) {
> if (errno == EINVAL) { //incomplete multibyte sequence
> break;
> }
> if (errno != E2BIG || prevSrcLen == srcLen) {
> ...
> }
> }
> ...
> }
> ...
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