DO IF, LOOP cleanup.

[pspp-builds.git] / src / sample.c

diff --git a/src/sample.c b/src/sample.c
index 57548c1cd306fc95e0c3bdc06ba915deeed1bdb8..fceadbbbf37e72a9ef0b0846419407e41e227115 100644 (file)
--- a/src/sample.c
+++ b/src/sample.c
@@ -45,7 +45,6 @@ enum
 /* SAMPLE transformation. */
 struct sample_trns
   {
-    struct trns_header h;
     int type;                  /* One of TYPE_*. */
     int n, N;                  /* TYPE_A_FROM_B: n from N. */
     int m, t;                  /* TYPE_A_FROM_B: # picked so far; # so far. */
@@ -53,6 +52,7 @@ struct sample_trns
   };
 
 static trns_proc_func sample_trns_proc;
+static trns_free_func sample_trns_free;
 
 int
 cmd_sample (void)
@@ -104,24 +104,22 @@ cmd_sample (void)
   lex_get ();
 
   trns = xmalloc (sizeof *trns);
-  trns->h.proc = sample_trns_proc;
-  trns->h.free = NULL;
   trns->type = type;
   trns->n = a;
   trns->N = b;
   trns->m = trns->t = 0;
   trns->frac = frac;
-  add_transformation ((struct trns_header *) trns);
+  add_transformation (sample_trns_proc, sample_trns_free, trns);
 
   return lex_end_of_command ();
 }
 
 /* Executes a SAMPLE transformation. */
 static int
-sample_trns_proc (struct trns_header * trns, struct ccase *c UNUSED,
+sample_trns_proc (void *t_, struct ccase *c UNUSED,
                   int case_num UNUSED)
 {
-  struct sample_trns *t = (struct sample_trns *) trns;
+  struct sample_trns *t = t_;
   double U;
 
   if (t->type == TYPE_FRACTION) 
@@ -148,3 +146,10 @@ sample_trns_proc (struct trns_header * trns, struct ccase *c UNUSED,
       return -1;
     }
 }
+
+static void
+sample_trns_free (void *t_) 
+{
+  struct sample_trns *t = t_;
+  free (t);
+}