X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ffrequencies.q;h=66faf5ef027e2608914a0a9b2927bedbe5831ee7;hb=77cbf2d7d1e5712d4ef952f265ed5c2917fc3f68;hp=44393a89bbe765ad473afaa63a1af1a4cc72a9f5;hpb=6f972e0ef93c3a7e00fd5335ea22af2c878f4589;p=pspp

diff --git a/src/frequencies.q b/src/frequencies.q
index 44393a89bb..66faf5ef02 100644
--- a/src/frequencies.q
+++ b/src/frequencies.q
@@ -518,6 +518,8 @@ get_freq_comparator (int frq_sort, int var_type)
   return 0;
 }
 
+/* Returns nonzero iff the value in struct freq F is non-missing
+   for variable V. */
 static int
 not_missing (const void *f_, void *v_) 
 {
@@ -527,8 +529,9 @@ not_missing (const void *f_, void *v_)
   return !is_missing (&f->v, v);
 }
 
+/* Summarizes the frequency table data for variable V. */
 static void
-postprocess_freq_tab (struct variable * v)
+postprocess_freq_tab (struct variable *v)
 {
   hsh_compare_func *compare;
   struct freq_tab *ft;
@@ -575,11 +578,13 @@ postprocess_freq_tab (struct variable * v)
     }
 }
 
+/* Frees the frequency table for variable V. */
 static void
 cleanup_freq_tab (struct variable *v)
 {
   assert (v->p.frq.tab.mode == FRQM_GENERAL);
   free (v->p.frq.tab.valid);
+  hsh_destroy (v->p.frq.tab.data);
 }
 
 /* Parses the VARIABLES subcommand, adding to
@@ -588,7 +593,7 @@ static int
 frq_custom_variables (struct cmd_frequencies *cmd UNUSED)
 {
   int mode;
-  int min, max;
+  int min = 0, max = 0;
 
   int old_n_variables = n_variables;
   int i;
@@ -715,8 +720,11 @@ frq_custom_grouped (struct cmd_frequencies *cmd UNUSED)
 		return 0;
 	      }
 	  }
-	else
-	  nl = 0;
+	else 
+          {
+            nl = 0;
+            dl = NULL;
+          }
 
 	for (i = 0; i < n; i++)
 	  {