1 files changed, 28 insertions, 12 deletions

diff --git a/src/grt/ghwlib.c b/src/grt/ghwlib.c
index 4ac721ee0..bee84687c 100644
--- a/src/grt/ghwlib.c
+++ b/src/grt/ghwlib.c
@@ -839,6 +839,7 @@ ghw_read_hie (struct ghw_handler *h)
   h->hie = blk;
 
   h->nbr_sigs++;
+  h->skip_sigs = NULL;
   h->sigs = (struct ghw_sig *) malloc (h->nbr_sigs * sizeof (struct ghw_sig));
   memset (h->sigs, 0, h->nbr_sigs * sizeof (struct ghw_sig));
 
@@ -1345,28 +1346,44 @@ ghw_get_value (char *buf, int len, union ghw_val *val, union ghw_type *type)
     }
 }
 
-static int
+static char
 is_skip_signal (int *signals_to_keep, int nb_signals_to_keep, int signal)
 {
   int i;
-
   for (i = 0; i < nb_signals_to_keep; ++i)
     {
-      if (signal==signals_to_keep[i])
-        return 0;
+      if (signal == signals_to_keep[i])
+	{
+	  return 0;
+	}
     }
   return 1;
 }
 
 void
-ghw_filter_values (struct ghw_handler *h, int *signals_to_keep, int nb_signals_to_keep)
+ghw_filter_signals (struct ghw_handler *h,
+		    int *signals_to_keep, int nb_signals_to_keep)
 {
   int i;
-
-  for (i = 0; i < h->nbr_sigs; ++i)
+  if (0 < nb_signals_to_keep && 0 != signals_to_keep)
+    {
+      if (0 == h->skip_sigs)
+	{
+	  h->skip_sigs = (char *) malloc (sizeof (char) * h->nbr_sigs);
+	}
+      for (i = 0; i < h->nbr_sigs; ++i)
+	{
+	  h->skip_sigs[i] = is_skip_signal (signals_to_keep,
+					    nb_signals_to_keep, i);
+	}
+    }
+  else
     {
-      struct ghw_sig *s = &(h->sigs[i]);
-      s->skip = is_skip_signal (signals_to_keep, nb_signals_to_keep, i);
+      if (0 != h->skip_sigs)
+	{
+	  free (h->skip_sigs);
+	  h->skip_sigs = 0;
+	}
     }
 }
 
@@ -1374,11 +1391,11 @@ void
 ghw_disp_values (struct ghw_handler *h)
 {
   int i;
-
   for (i = 0; i < h->nbr_sigs; i++)
     {
       struct ghw_sig *s = &h->sigs[i];
-      if (s->type != NULL && !(s->skip))
+      int skip = (0 != h->skip_sigs && (0 != h->skip_sigs[i]));
+      if (s->type != NULL && !skip)
 	{
 	  printf ("#%d: ", i);
 	  ghw_disp_value (s->val, s->type);
@@ -1386,7 +1403,6 @@ ghw_disp_values (struct ghw_handler *h)
 	}
     }
 }
-
 int
 ghw_read_directory (struct ghw_handler *h)
 {