Changes to m4/m4/output.c,v

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      07/05/31 13:26:40

Index: m4/output.c
===================================================================
RCS file: /sources/m4/m4/m4/output.c,v
retrieving revision 1.44
retrieving revision 1.45
diff -u -b -r1.44 -r1.45
--- m4/output.c 28 May 2007 21:48:41 -0000      1.44
+++ m4/output.c 31 May 2007 13:26:39 -0000      1.45
@@ -423,6 +423,9 @@
 {
   size_t count;
 
+  if (!output_diversion || !length)
+    return;
+
   if (!output_file && length > output_unused)
     make_room_for (context, length);
 
@@ -470,7 +473,7 @@
 
   /* Do nothing if TEXT should be discarded.  */
 
-  if (output_diversion == NULL)
+  if (!output_diversion || !length)
     return;
 
   /* Output TEXT to a file, or in-memory diversion buffer.  */