(trunk) fix warnings found by the clang static analyzer, reported & patched by wereHamster

daemon/remote.c

@@ -1174,11 +1174,8 @@ printDetails( tr_benc * top )
             char         buf[512];
             char         buf2[512];
             int64_t      i, j, k;
-            tr_bool      isStopped;
             tr_bool      boolVal;
 
-            isStopped = tr_bencDictFindInt( t, "status", &i ) && (i==TR_STATUS_STOPPED);
-
             printf( "NAME\n" );
             if( tr_bencDictFindInt( t, "id", &i ) )
                 printf( "  Id: %" PRId64 "\n", i );
@@ -1876,14 +1873,13 @@ main( int     argc,
     if( host == NULL )
         host = tr_strdup( DEFAULT_HOST );
 
-    exit_status |= readargs( argc, (const char**)argv );
-    if( reqCount )
-        exit_status = processRequests( host, port, (const char**)reqs, reqCount );
-    else {
+    readargs( argc, (const char**)argv );
+    if( reqCount == 0 ) {
         showUsage( );
         return EXIT_FAILURE;
     }
 
+    exit_status = processRequests( host, port, (const char**)reqs, reqCount );
 
     for( i=0; i<reqCount; ++i )
         tr_free( reqs[i] );

gtk/details.c

@@ -1192,9 +1192,9 @@ refreshPeerList( struct DetailsImpl * di, tr_torrent ** torrents, int n )
     int i;
     int * peerCount;
     GtkTreeIter iter;
+    GtkTreeModel * model;
     GHashTable * hash = di->peer_hash;
     GtkListStore * store = di->peer_store;
-    GtkTreeModel * model = GTK_TREE_MODEL( store );
     struct tr_peer_stat ** peers;
 
     /* step 1: get all the peers */

gtk/main.c

@@ -250,7 +250,7 @@ refreshActions( struct cbdata * data )
 static void
 refreshDetailsDialog( struct cbdata * data, GtkWidget * details )
 {
-    GtkTreeSelection * s = tr_window_get_selection( data->wind );
+    GtkTreeSelection * s;
     GtkTreeModel * model;
     GSList * ids = NULL;
     GList * selrows = NULL;

gtk/makemeta-ui.c

@@ -59,7 +59,7 @@ freeMetaUI( gpointer p )
 static gboolean
 onProgressDialogRefresh( gpointer data )
 {
-    char * str;
+    char * str = NULL;
     MakeMetaUI * ui = data;
     const tr_metainfo_builder * b = ui->builder;
     GtkDialog * d = GTK_DIALOG( ui->progress_dialog );
@@ -80,8 +80,13 @@ onProgressDialogRefresh( gpointer data )
         str = g_strdup_printf( _( "Error reading \"%s\": %s" ), b->errfile, g_strerror( b->my_errno ) );
     else if( b->result == TR_MAKEMETA_IO_WRITE )
         str = g_strdup_printf( _( "Error writing \"%s\": %s" ), b->errfile, g_strerror( b->my_errno ) );
-    gtk_label_set_text( GTK_LABEL( ui->progress_label ), str );
-    g_free( str );
+    else
+        g_assert_not_reached( );
+
+    if( str != NULL ) {
+        gtk_label_set_text( GTK_LABEL( ui->progress_label ), str );
+        g_free( str );
+    }
 
     /* progress bar */
     if( !b->pieceIndex )

gtk/tr-core.c

@@ -955,23 +955,22 @@ tr_core_add_ctor( TrCore * core, tr_ctor * ctor )
 gboolean
 tr_core_add_metainfo( TrCore      * core,
                       const char  * payload,
-                      gboolean    * setme_success,
+                      gboolean    * setme_handled,
                       GError     ** gerr UNUSED )
 {
     tr_session * session = tr_core_session( core );
 
     if( !session )
     {
-        *setme_success = FALSE;
+        *setme_handled = FALSE;
     }
     else if( gtr_is_supported_url( payload ) || gtr_is_magnet_link( payload ) )
     {
         tr_core_add_from_url( core, payload );
-        *setme_success = TRUE;
+        *setme_handled = TRUE;
     }
     else /* base64-encoded metainfo */
     {
-        int err;
         int file_length;
         tr_ctor * ctor;
         char * file_contents;
@@ -981,14 +980,12 @@ tr_core_add_metainfo( TrCore      * core,
         tr_core_apply_defaults( ctor );
 
         file_contents = tr_base64_decode( payload, -1, &file_length );
-        err = tr_ctorSetMetainfo( ctor, (const uint8_t*)file_contents, file_length );
-
-        if( !err )
-            err = add_ctor( core, ctor, do_prompt, TRUE );
+        tr_ctorSetMetainfo( ctor, (const uint8_t*)file_contents, file_length );
+        add_ctor( core, ctor, do_prompt, TRUE );
 
         tr_free( file_contents );
         tr_core_torrents_added( core );
-        *setme_success = TRUE;
+        *setme_handled = TRUE;
     }
 
     return TRUE;

gtk/tr-window.c

@@ -880,7 +880,7 @@ tr_window_new( GtkUIManager * ui_mgr, TrCore * core )
     gtk_container_add ( GTK_CONTAINER( self ), vbox );
 
     /* main menu */
-    w = mainmenu = action_get_widget( "/main-window-menu" );
+    mainmenu = action_get_widget( "/main-window-menu" );
     w = action_get_widget( "/main-window-menu/torrent-menu/update-tracker" );
 #if GTK_CHECK_VERSION( 2, 12, 0 )
     g_signal_connect( w, "query-tooltip",
@@ -888,7 +888,7 @@ tr_window_new( GtkUIManager * ui_mgr, TrCore * core )
 #endif
 
     /* toolbar */
-    w = toolbar = p->toolbar = action_get_widget( "/main-window-toolbar" );
+    toolbar = p->toolbar = action_get_widget( "/main-window-toolbar" );
     action_set_important( "add-torrent-toolbar", TRUE );
     action_set_important( "show-torrent-properties", TRUE );
 

gtk/util.c

@@ -563,7 +563,7 @@ gboolean
 gtr_dbus_add_torrent( const char * filename )
 {
     /* FIXME: why is this static? */
-    static gboolean success = FALSE;
+    static gboolean handled = FALSE;
 
 #ifdef HAVE_DBUS_GLIB
     char * payload;
@@ -596,7 +596,7 @@ gtr_dbus_add_torrent( const char * filename )
             dbus_g_proxy_call( proxy, "AddMetainfo", &err,
                                G_TYPE_STRING, payload,
                                G_TYPE_INVALID,
-                               G_TYPE_BOOLEAN, &success,
+                               G_TYPE_BOOLEAN, &handled,
                                G_TYPE_INVALID );
         if( err )
            g_message( "err: %s", err->message );
@@ -612,7 +612,7 @@ gtr_dbus_add_torrent( const char * filename )
     g_free( file_contents );
 
 #endif
-    return success;
+    return handled;
 }
 
 gboolean