[Bug libc/10932] libio use isatty() but don't take care of -ENOTTY

[schwab at linux-m68k dot org]

------- Additional Comments From schwab at linux-m68k dot org  2009-11-10 10:18 -------
errno is only valid after a call returned EOF and ferror is true.

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           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID


http://sourceware.org/bugzilla/show_bug.cgi?id=10932

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