Resolve cppcheck issues.

Signed-off-by: John Hood <cgull@glup.org>

src/terminal/parser.cc

@@ -76,6 +76,7 @@ Parser::UTF8Parser::UTF8Parser()
   : parser(), buf_len( 0 )
 {
   assert( BUF_SIZE >= (size_t)MB_CUR_MAX );
+  buf[0] = '\0';
 }
 
 std::list<Parser::Action *> Parser::UTF8Parser::input( char c )

src/terminal/terminaldisplay.h

@@ -65,9 +65,9 @@ namespace Terminal {
 
   class Display {
   private:
-    bool ti_flag( const char *capname ) const;
-    int ti_num( const char *capname ) const;
-    const char *ti_str( const char *capname ) const;
+    static bool ti_flag( const char *capname );
+    static int ti_num( const char *capname );
+    static const char *ti_str( const char *capname );
 
     bool has_ech; /* erase character is part of vt200 but not supported by tmux
 		     (or by "screen" terminfo entry, which is what tmux advertises) */

src/terminal/terminaldisplayinit.cc

@@ -62,7 +62,7 @@
 
 using namespace Terminal;
 
-bool Display::ti_flag( const char *capname ) const
+bool Display::ti_flag( const char *capname )
 {
   int val = tigetflag( const_cast<char *>( capname ) );
   if ( val == -1 ) {
@@ -71,7 +71,7 @@ bool Display::ti_flag( const char *capname ) const
   return val;
 }
 
-int Display::ti_num( const char *capname ) const
+int Display::ti_num( const char *capname )
 {
   int val = tigetnum( const_cast<char *>( capname ) );
   if ( val == -2 ) {
@@ -80,7 +80,7 @@ int Display::ti_num( const char *capname ) const
   return val;
 }
 
-const char *Display::ti_str( const char *capname ) const
+const char *Display::ti_str( const char *capname )
 {
   const char *val = tigetstr( const_cast<char *>( capname ) );
   if ( val == (const char *)-1 ) {

src/terminal/terminalframebuffer.cc

@@ -183,7 +183,7 @@ void DrawState::clear_tab( int col )
   tabs[ col ] = false;
 }
 
-int DrawState::get_next_tab( void )
+int DrawState::get_next_tab( void ) const
 {
   for ( int i = cursor_col + 1; i < width; i++ ) {
     if ( tabs[ i ] ) {
@@ -215,12 +215,12 @@ void DrawState::set_scrolling_region( int top, int bottom )
   }
 }
 
-int DrawState::limit_top( void )
+int DrawState::limit_top( void ) const
 {
   return origin_mode ? scrolling_region_top_row : 0;
 }
 
-int DrawState::limit_bottom( void )
+int DrawState::limit_bottom( void ) const
 {
   return origin_mode ? scrolling_region_bottom_row : height - 1;
 }
@@ -573,7 +573,7 @@ void Framebuffer::prefix_window_title( const std::deque<wchar_t> &s )
   }
 }
 
-wchar_t Cell::debug_contents( void ) const
+wint_t Cell::debug_contents( void ) const
 {
   if ( contents.empty() ) {
     return '_';
@@ -589,7 +589,7 @@ bool Cell::compare( const Cell &other ) const
   if ( !contents_match( other ) ) {
     ret = true;
     fprintf( stderr, "Contents: %lc vs. %lc\n",
-	     (wint_t)debug_contents(), (wint_t)other.debug_contents() );
+	     debug_contents(), other.debug_contents() );
   }
 
   if ( fallback != other.fallback ) {

src/terminal/terminalframebuffer.h

@@ -102,7 +102,7 @@ namespace Terminal {
 	       && (wrap == x.wrap) );
     }
 
-    wchar_t debug_contents( void ) const;
+    wint_t debug_contents( void ) const;
 
     bool is_blank( void ) const
     {
@@ -228,15 +228,15 @@ namespace Terminal {
     void clear_tab( int col );
     void clear_default_tabs( void ) { default_tabs = false; }
     /* Default tabs can't be restored without resetting the draw state. */
-    int get_next_tab( void );
+    int get_next_tab( void ) const;
 
     void set_scrolling_region( int top, int bottom );
 
     int get_scrolling_region_top_row( void ) const { return scrolling_region_top_row; }
     int get_scrolling_region_bottom_row( void ) const { return scrolling_region_bottom_row; }
 
-    int limit_top( void );
-    int limit_bottom( void );
+    int limit_top( void ) const;
+    int limit_bottom( void ) const;
 
     void set_foreground_color( int x ) { renditions.set_foreground_color( x ); }
     void set_background_color( int x ) { renditions.set_background_color( x ); }