Make pointer decrementing code ANSI C compliant.

diff --git a/ChangeLog b/ChangeLog
index 6352e0e..85d4d68 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2007-03-11  Bruno Haible  <bruno@clisp.org>
 
+       * lib/gl_array_oset.c (gl_array_iterator_next): Make pointer
+       decrementing code ANSI C compliant.
+
+2007-03-11  Bruno Haible  <bruno@clisp.org>
+
        * lib/dummy.c [__sun]: Define a dummy variable, not just a typedef.
        Needed for Solaris 2.5.1 ranlib and SunPRO C 5.0.
 

diff --git a/lib/gl_array_oset.c b/lib/gl_array_oset.c
index b7e2be0..f7950b7 100644 (file)
--- a/lib/gl_array_oset.c
+++ b/lib/gl_array_oset.c
@@ -1,5 +1,5 @@
 /* Ordered set data type implemented by an array.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 2006-2007 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2006.
 
    This program is free software; you can redistribute it and/or modify
@@ -297,8 +297,8 @@ gl_array_iterator_next (gl_oset_iterator_t *iterator, const void **eltp)
        abort ();
       /* The last returned element was removed.  */
       iterator->count--;
-      iterator->p--;
-      iterator->q--;
+      iterator->p = (const void **) iterator->p - 1;
+      iterator->q = (const void **) iterator->q - 1;
     }
   if (iterator->p < iterator->q)
     {