Delete trailing whitespace at end of lines.

[pspp-builds.git] / src / math / group.c

diff --git a/src/math/group.c b/src/math/group.c
index c3dcbaadda5f8c8eccfd307294e782d1f2a9f65c..f967e451124a2a93c87a1b3080912f27b8eb71ab 100644 (file)
--- a/src/math/group.c
+++ b/src/math/group.c
@@ -1,6 +1,5 @@
 /* PSPP - computes sample statistics.
    Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-   Written by John Darrington <john@darrington.wattle.id.au>
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
@@ -29,11 +28,11 @@
 #include <libpspp/misc.h>
 
 
-/* Return -1 if the id of a is less than b; +1 if greater than and 
+/* Return -1 if the id of a is less than b; +1 if greater than and
    0 if equal */
-int 
-compare_group(const struct group_statistics *a, 
-                const struct group_statistics *b, 
+int
+compare_group(const struct group_statistics *a,
+                const struct group_statistics *b,
                 int width)
 {
   return compare_values(&a->id, &b->id, width);
@@ -41,7 +40,7 @@ compare_group(const struct group_statistics *a,
 
 
 
-unsigned 
+unsigned
 hash_group(const struct group_statistics *g, int width)
 {
   unsigned id_hash;
@@ -52,7 +51,7 @@ hash_group(const struct group_statistics *g, int width)
 }
 
 
-void  
+void
 free_group(struct group_statistics *v, void *aux UNUSED)
 {
   free(v);
@@ -60,10 +59,14 @@ free_group(struct group_statistics *v, void *aux UNUSED)
 
 
 struct group_proc *
-group_proc_get (struct variable *v)
+group_proc_get (const struct variable *v)
 {
   /* This is not ideal, obviously. */
-  if (v->aux == NULL) 
-    var_attach_aux (v, xmalloc (sizeof (struct group_proc)), var_dtor_free);
-  return v->aux;
+  struct group_proc *group = var_get_aux (v);
+  if (group == NULL)
+    {
+      group = xmalloc (sizeof (struct group_proc));
+      var_attach_aux (v, group, var_dtor_free);
+    }
+  return group;
 }