sharkd: make the way it returns more similar to other apps.

The clean_exit block allows deallocation of memory on exit.

Change-Id: I52078f0e4e851b6aa5f34cbbd15eba0a4f37cae0
Reviewed-on: https://code.wireshark.org/review/19940
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>

1 files changed, 13 insertions, 4 deletions

diff --git a/sharkd.c b/sharkd.c
index 26ac51ed45..964ea92a05 100644
--- a/sharkd.c
+++ b/sharkd.c
@@ -77,6 +77,9 @@
 
 #include "sharkd.h"
 
+#define INIT_FAILED 1
+#define EPAN_INIT_FAIL 2
+
 static guint32 cum_bytes;
 static const frame_data *ref;
 static frame_data ref_frame;
@@ -130,6 +133,7 @@ main(int argc, char *argv[])
   int                  dp_open_errno, dp_read_errno;
   int                  cf_open_errno;
   e_prefs             *prefs_p;
+  int                  ret = EXIT_SUCCESS;
 
   cmdarg_err_init(failure_message, failure_message_cont);
 
@@ -170,7 +174,8 @@ main(int argc, char *argv[])
   if (sharkd_init(argc, argv) < 0)
   {
     printf("cannot initialize sharkd\n");
-    return 1;
+    ret = INIT_FAILED;
+    goto clean_exit;
   }
 
   init_report_err(failure_message, open_failure_message, read_failure_message,
@@ -199,8 +204,10 @@ main(int argc, char *argv[])
      dissectors, and we must do it before we read the preferences, in
      case any dissectors register preferences. */
   if (!epan_init(register_all_protocols, register_all_protocol_handoffs, NULL,
-                 NULL))
-    return 2;
+                 NULL)) {
+    ret = EPAN_INIT_FAIL;
+    goto clean_exit;
+  }
 
   /* load the decode as entries of this profile */
   load_decode_as_entries();
@@ -288,7 +295,9 @@ main(int argc, char *argv[])
   /* Build the column format array */
   build_column_format_array(&cfile.cinfo, prefs_p->num_cols, TRUE);
 
-  return sharkd_loop();
+  ret = sharkd_loop();
+clean_exit:
+  return ret;
 }
 
 static const nstime_t *