[3.0] 0b1d542 Avoid segfaulting if hitmiss or handling hasn't been set yet

[Tollef Fog Heen]

commit 0b1d5427c4de52934f19a4b3f4293ae3293b08b7
Author: Tollef Fog Heen <tfheen at varnish-software.com>
Date:   Mon Jul 11 10:14:40 2011 +0200

    Avoid segfaulting if hitmiss or handling hasn't been set yet
    
    Fall back to "-" if the handling has not been decided yet.
    
    Fixes: #950
    Fixes: #944
    Fixes: #918

diff --git a/bin/varnishncsa/varnishncsa.c b/bin/varnishncsa/varnishncsa.c
index 89c1ee1..17fd8d1 100644
--- a/bin/varnishncsa/varnishncsa.c
+++ b/bin/varnishncsa/varnishncsa.c
@@ -654,11 +654,11 @@ h_ncsa(void *priv, enum VSL_tag_e tag, unsigned fd,
 					p += 9+15;
 					break;
 				} else if (strncmp(what, "hitmiss}x", 9) == 0) {
-					fprintf(fo, "%s", lp->df_hitmiss);
+					fprintf(fo, "%s", (lp->df_hitmiss ? lp->df_hitmiss : "-"));
 					p += 9+8;
 					break;
 				} else if (strncmp(what, "handling}x", 10) == 0) {
-					fprintf(fo, "%s", lp->df_handling);
+					fprintf(fo, "%s", (lp->df_handling ? lp->df_handling : "-"));
 					p += 9+9;
 					break;
 				}