regex_internal.h: define __attribute_warn_unused_result__

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

diff --git a/doc/posix-functions/link.texi b/doc/posix-functions/link.texi
index ace07cd..6279fe8 100644 (file)
--- a/doc/posix-functions/link.texi
+++ b/doc/posix-functions/link.texi
@@ -11,8 +11,16 @@ Portability problems fixed by Gnulib:
 @item
 This function is missing on some platforms:
 mingw.
+@item
+This function fails to reject trailing slashes on non-directories on
+some platforms:
+FreeBSD 7.2, Solaris, Cygwin 1.5.x.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+When the first argument is a symlink, some platforms create a
+hard-link to what the symlink referenced, rather than to the symlink
+itself.  Use @samp{linkat} to force a particular behavior.
 @end itemize