|author||Rich Felker <firstname.lastname@example.org>||2017-11-20 14:23:49 -0500|
|committer||Rich Felker <email@example.com>||2017-11-20 16:21:25 -0500|
fix treatment by fgetws of encoding errors as eof
fgetwc does not set the stream's error indicator on encoding errors, making ferror insufficient to distinguish between error and eof conditions. feof is also insufficient, since it will return true if the file ended with a partial character encoding error. whether fgetwc should be setting the error indicator itself is a question with conflicting answers. the POSIX text for the function states it as a requirement, but the ISO C text seems to require that it not. this may be revisited in the future based on the outcome of Austin Group issue #1170.
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