From 805152b61911602ace027b651172669b38045cb1 Mon Sep 17 00:00:00 2001
From: Kaian <kaian@irontec.com>
Date: Sun, 29 May 2016 12:34:55 +0200
Subject: [PATCH] Improve disabled command line options error messages #120

When using a command line option that must be enabled using
configure flags, display an error message to give a hint that
the given options is not enabled.
---
 src/main.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 2630bc9..f2f29d8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -193,10 +193,13 @@ main(int argc, char* argv[])
                     return 0;
                 }
                 break;
-#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
             case 'k':
+#if defined(WITH_GNUTLS) || defined(WITH_OPENSSL)
                 keyfile = optarg;
                 break;
+#else
+                fprintf(stderr, "sngrep is not compiled with SSL support.");
+                exit(1);
 #endif
             case 'c':
                 only_calls = 1;
@@ -228,13 +231,21 @@ main(int argc, char* argv[])
             case 't':
             case 'W':
                 break;
-#ifdef USE_EEP
             case 'L':
+#ifdef USE_EEP
                 capture_eep_set_server_url(optarg);
                 break;
+#else
+                fprintf(stderr, "sngrep is not compiled with HEP/EEP support.");
+                exit(1);
+#endif
             case 'H':
+#ifdef USE_EEP
                 capture_eep_set_client_url(optarg);
                 break;
+#else
+                fprintf(stderr, "sngrep is not compiled with HEP/EEP support.");
+                exit(1);
 #endif
             case '?':
                 if (strchr(options, optopt)) {