Make sure that in_to_x and x_to_out are NULL if they are not available.

[libucw.git] / charset / charconv.c

diff --git a/charset/charconv.c b/charset/charconv.c
index 36796a7bf2f7e47e37bfc27c1e1c1cf9eed6f7b3..ce22d1e08ab447274604756e5b3d09972e798e90 100644 (file)
--- a/charset/charconv.c
+++ b/charset/charconv.c
@@ -409,7 +409,11 @@ conv_set_charset(struct conv_context *c, int src, int dest)
   c->source_charset = src;
   c->dest_charset = dest;
   if (src == dest)
-    c->convert = conv_none;
+    {
+      c->convert = conv_none;
+      c->in_to_x = NULL;
+      c->x_to_out = NULL;
+    }
   else
     {
       static uns lookup[] = {
@@ -426,10 +430,8 @@ conv_set_charset(struct conv_context *c, int src, int dest)
       uns src_idx = ((uns)src < ARRAY_SIZE(lookup)) ? lookup[src] : 0;
       uns dest_idx = ((uns)dest < ARRAY_SIZE(lookup)) ? lookup[dest] : 0;
       c->convert = tab[src_idx][dest_idx];
-      if (!src_idx)
-       c->in_to_x = input_to_x[src];
-      if (!dest_idx)
-       c->x_to_out = x_to_output[dest];
+      c->in_to_x = src_idx ? NULL : input_to_x[src];
+      c->x_to_out = dest_idx ? NULL : x_to_output[dest];
     }
   c->state = 0;
 }