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https://issues.apache.org/jira/browse/AVRO-1698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16730784#comment-16730784
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Thiruvalluvan M. G. commented on AVRO-1698:
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Fix for AVRO-1190 will automatically take care of this and hence will resolve
this as a duplicate of AVRO-1190.
> cant serialize json with characters >127 when compiling with signed char
> ------------------------------------------------------------------------
>
> Key: AVRO-1698
> URL: https://issues.apache.org/jira/browse/AVRO-1698
> Project: Apache Avro
> Issue Type: Bug
> Components: c++
> Affects Versions: 1.7.7
> Environment: windows, linux w signed char
> Reporter: svante karlsson
> Priority: Major
> Attachments: AVRO-1698.1.patch
>
>
> iscntrl assumes 0-255 but signed char gets expanded to bad things
> pullreq #38 on github solves the issue.
> change line 196 lang/c++/impl/json/JsonIO.hh
> from
> if (! iscntrl(*p)) {
> to
> if (! iscntrl((uint8_t) *p)) {
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