stdioext: Add tentative support for Plan9.

[gnulib.git] / lib / fwriting.c

diff --git a/lib/fwriting.c b/lib/fwriting.c
index a6199f6..5daa09b 100644 (file)
--- a/lib/fwriting.c
+++ b/lib/fwriting.c
@@ -52,6 +52,10 @@ fwriting (FILE *fp)
 # else
   return (fp->__buffer < fp->__put_limit /*|| fp->__bufp == fp->__get_limit ??*/);
 # endif
+#elif defined EPLAN9                /* Plan9 */
+  if (fp->state == 0 /* CLOSED */ || fp->state == 3 /* RD */)
+    return 0;
+  return (fp->state == 4 /* WR */ && (fp->bufl == 0 || fp->wp < fp->rp));
 #else
 # error "Please port gnulib fwriting.c to your platform!"
 #endif