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getopt-gnu: avoid crash in glibc getopt
[pspp]
/
doc
/
posix-functions
/
putchar_unlocked.texi
diff --git
a/doc/posix-functions/putchar_unlocked.texi
b/doc/posix-functions/putchar_unlocked.texi
index 5bf55b383859721e93319f7044d946ddd21f3011..bc9c3b03dec5b128989ee13ac031876a9a5e70d6 100644
(file)
--- a/
doc/posix-functions/putchar_unlocked.texi
+++ b/
doc/posix-functions/putchar_unlocked.texi
@@
-15,4
+15,8
@@
Portability problems not fixed by Gnulib:
@item
This function is missing on some platforms:
mingw.
+@item
+On some platforms, this function does not set @code{errno} or the
+stream error indicator on attempts to write to a read-only stream:
+Cygwin 1.7.9.
@end itemize