X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fui%2Fgui%2Ffind-dialog.c;h=0c16bfa8140c0a78f4036c2c2ef2e3eeadb5023a;hb=cb72db62c20ecab427229110820c5b053d0663c4;hp=11ec0603d4dfd98ee65954b1fed34af49feb4bc2;hpb=c2f0df181038fe9975d642096e65ea48ca491acd;p=pspp

diff --git a/src/ui/gui/find-dialog.c b/src/ui/gui/find-dialog.c
index 11ec0603d4..0c16bfa814 100644
--- a/src/ui/gui/find-dialog.c
+++ b/src/ui/gui/find-dialog.c
@@ -34,6 +34,7 @@ which match particular strings */
 #include <ctype.h>
 #include <sys/types.h>
 #include <regex.h>
+#include <libpspp/cast.h>
 #include <libpspp/message.h>
 
 #include <gtk/gtk.h>
@@ -570,7 +571,8 @@ regexp_label_compare (const struct comparator *cmptr,
 static void
 regexp_destroy (struct comparator *cmptr)
 {
-  struct regexp_comparator *rec = (struct regexp_comparator *) cmptr;
+  struct regexp_comparator *rec
+    = UP_CAST (cmptr, struct regexp_comparator, parent);
 
   regfree (&rec->re);
 }
@@ -578,7 +580,8 @@ regexp_destroy (struct comparator *cmptr)
 static void
 cmptr_value_destroy (struct comparator *cmptr)
 {
-  struct value_comparator *vc = (struct value_comparator *) cmptr;
+  struct value_comparator *vc
+    = UP_CAST (cmptr, struct value_comparator, parent);
   value_destroy (&vc->pattern, var_get_width (cmptr->var));
 }
 
@@ -587,7 +590,7 @@ static struct comparator *
 value_comparator_create (const struct variable *var, const PsppireDict *dict, const char *target)
 {
   struct value_comparator *vc = xzalloc (sizeof (*vc));
-  struct comparator *cmptr = (struct comparator *) vc;
+  struct comparator *cmptr = &vc->parent;
 
   cmptr->flags = 0;
   cmptr->var = var;
@@ -606,7 +609,7 @@ string_comparator_create (const struct variable *var, const PsppireDict *dict,
 			  enum string_cmp_flags flags)
 {
   struct string_comparator *ssc = xzalloc (sizeof (*ssc));
-  struct comparator *cmptr = (struct comparator *) ssc;
+  struct comparator *cmptr = &ssc->parent;
 
   cmptr->flags = flags;
   cmptr->var = var;
@@ -629,7 +632,7 @@ regexp_comparator_create (const struct variable *var, const PsppireDict *dict, c
 {
   int code;
   struct regexp_comparator *rec = xzalloc (sizeof (*rec));
-  struct comparator *cmptr = (struct comparator *) rec;
+  struct comparator *cmptr = &rec->parent;
 
   cmptr->flags = flags;
   cmptr->var = var;