re PR fortran/40576 (Endless loop in internal write)

2009-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/40576
	* io/transfer.c (sset): Adjust exit condition for loop.

From-SVN: r149075

libgfortran/ChangeLog

+2009-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libfortran/40576
+	* io/transfer.c (sset): Adjust exit condition for loop.
+
 2009-06-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libfortran/40508

libgfortran/io/transfer.c

@@ -2867,7 +2867,7 @@ sset (stream * s, int c, ssize_t nbyte)
     {
       trans = (bytes_left < WRITE_CHUNK) ? bytes_left : WRITE_CHUNK;
       trans = swrite (s, p, trans);
-      if (trans < 0)
+      if (trans <= 0)
 	return trans;
       bytes_left -= trans;
     }