[Scummvm-cvs-logs] CVS: scummvm/backends/sdl graphics.cpp,1.31,1.32

[Max Horn]

Update of /cvsroot/scummvm/scummvm/backends/sdl
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1852

Modified Files:
	graphics.cpp 
Log Message:
Add some paranoia checks

Index: graphics.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/sdl/graphics.cpp,v
retrieving revision 1.31
retrieving revision 1.32
diff -u -d -r1.31 -r1.32
--- graphics.cpp	10 Mar 2005 15:59:31 -0000	1.31
+++ graphics.cpp	12 Mar 2005 16:32:32 -0000	1.32
@@ -724,6 +724,7 @@
 
 void OSystem_SDL::copyRectToScreen(const byte *src, int pitch, int x, int y, int w, int h) {
 	assert (_transactionMode == kTransactionNone);
+	assert(src);
 
 	if (_screen == NULL)
 		return;
@@ -857,6 +858,7 @@
 
 
 void OSystem_SDL::makeChecksums(const byte *buf) {
+	assert(buf);
 	uint32 *sums = _dirtyChecksums;
 	uint x,y;
 	const uint last_x = (uint)_screenWidth / 8;
@@ -894,6 +896,7 @@
 }
 
 void OSystem_SDL::addDirtyRgnAuto(const byte *buf) {
+	assert(buf);
 	assert(((long)buf & 3) == 0);
 
 	/* generate a table of the checksums */
@@ -945,6 +948,7 @@
 }
 
 void OSystem_SDL::setPalette(const byte *colors, uint start, uint num) {
+	assert(colors);
 	const byte *b = colors;
 	uint i;
 	SDL_Color *base = _currentPalette + start;
@@ -967,6 +971,7 @@
 }
 
 void OSystem_SDL::setCursorPalette(const byte *colors, uint start, uint num) {
+	assert(colors);
 	const byte *b = colors;
 	uint i;
 	SDL_Color *base = _cursorPalette + start;
@@ -1432,6 +1437,7 @@
 #ifdef USE_OSD
 void OSystem_SDL::displayMessageOnOSD(const char *msg) {
 	assert (_transactionMode == kTransactionNone);
+	assert(msg);
 
 	uint i;