From 84a9af2ee984f30aa861dbe34cbf92f2207b0e9f Mon Sep 17 00:00:00 2001
From: Andrzej Rybczak <electricityispower@gmail.com>
Date: Sun, 3 May 2009 15:14:31 +0200
Subject: [PATCH] make use of gcc's __attribute__ extension

---
 src/ncmpcpp.cpp | 2 +-
 src/status.h    | 2 +-
 src/window.cpp  | 3 +--
 src/window.h    | 8 ++++++++
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/ncmpcpp.cpp b/src/ncmpcpp.cpp
index 574ffba3..7373fffe 100644
--- a/src/ncmpcpp.cpp
+++ b/src/ncmpcpp.cpp
@@ -1344,7 +1344,7 @@ int main(int argc, char *argv[])
 				if (newpos > 0 && newpos < 100)
 					Mpd->Seek(s->GetTotalLength()*newpos/100.0);
 				else
-					ShowMessage("Out of bounds, 1-99 possible for %, %d given.", newpos);
+					ShowMessage("Out of bounds, 1-99 possible for %%, %d given.", newpos);
 			}
 			UpdateStatusImmediately = 1;
 		}
diff --git a/src/status.h b/src/status.h
index e9d19074..b8d1d6fb 100644
--- a/src/status.h
+++ b/src/status.h
@@ -35,7 +35,7 @@ void NcmpcppStatusChanged(MPD::Connection *, MPD::StatusChanges, void *);
 void NcmpcppErrorCallback(MPD::Connection *, int, const char *, void *);
 
 Window &Statusbar();
-void ShowMessage(const char *, ...);
+void ShowMessage(const char *, ...) GNUC_PRINTF(1, 2);
 
 void StatusbarGetStringHelper(const std::wstring &);
 void StatusbarApplyFilterImmediately(const std::wstring &);
diff --git a/src/window.cpp b/src/window.cpp
index 3af43280..8024f32c 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -33,7 +33,7 @@ using namespace NCurses;
 using std::string;
 using std::wstring;
 
-void NCurses::InitScreen(const char *window_title, bool enable_colors)
+void NCurses::InitScreen(GNUC_UNUSED const char *window_title, bool enable_colors)
 {
 	const int ColorsTable[] =
 	{
@@ -44,7 +44,6 @@ void NCurses::InitScreen(const char *window_title, bool enable_colors)
 #	ifdef XCURSES
 	Xinitscr(1, const_cast<char **>(&window_title));
 #	else
-	window_title = 0; // silence compiler
 	initscr();
 #	endif // XCURSES
 	if (has_colors() && enable_colors)
diff --git a/src/window.h b/src/window.h
index 5aca3c20..bf252f6e 100644
--- a/src/window.h
+++ b/src/window.h
@@ -31,6 +31,14 @@
 #include <vector>
 #include <string>
 
+#if defined(__GNUC__) && __GNUC__ >= 3
+# define GNUC_UNUSED __attribute__((unused))
+# define GNUC_PRINTF(a, b) __attribute__((format(printf, a, b)))
+#else
+# define GNUC_UNUSED
+# define GNUC_PRINTF(a, b)
+#endif
+
 #ifdef USE_PDCURSES
 # undef KEY_BACKSPACE
 # define KEY_BACKSPACE 8