From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 30 Oct 2005 23:04:17 +0000 (+0000)
Subject: (gl_FUNC_FPENDING): Correct check for SCO systems,
X-Git-Tag: v6.0~1444
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3103c9009ba57195ee767984c350533472fa9b8c;p=thirdparty%2Fcoreutils.git

(gl_FUNC_FPENDING): Correct check for SCO systems,
where __ptr is null when no I/O is pending.
---

diff --git a/m4/fpending.m4 b/m4/fpending.m4
index 87398b142b..f43aaa4195 100644
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -1,4 +1,4 @@
-#serial 6
+#serial 7
 
 # Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -42,7 +42,7 @@ AC_DEFUN([gl_FUNC_FPENDING],
 	    'fp->_p - fp->_bf._base'				\
 								\
 	    '# SCO, Unixware'					\
-	    'fp->__ptr - fp->__base'				\
+	    '(fp->__ptr ? fp->__ptr - fp->__base : 0)'		\
 								\
 	    '# old glibc?'					\
 	    'fp->__bufp - fp->__buffer'				\