ttyname_r: Work around bug on OSF/1 5.1.

[gnulib.git] / doc / posix-functions / ttyname_r.texi

diff --git a/doc/posix-functions/ttyname_r.texi b/doc/posix-functions/ttyname_r.texi
index 67ca8d4..e190d25 100644 (file)
--- a/doc/posix-functions/ttyname_r.texi
+++ b/doc/posix-functions/ttyname_r.texi
@@ -19,6 +19,10 @@ HP-UX 11.
 This function has an incompatible declaration on some platforms:
 MacOS X 10.4, Solaris 11 2010-11 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined).
 @item
+This function ignores the size argument, thus overwriting memory after the
+buffer, on some platforms:
+OSF/1 5.1.
+@item
 This function refuses to do anything when the output buffer is less than 128
 bytes large, on some platforms:
 Solaris 11 2010-11.