tderandr: use different variables for nested for loops

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

tderandr/libtderandr.cpp

@@ -1097,7 +1097,6 @@ void KRandrSimpleAPI::applyHotplugRules(TQString kde_confdir) {
 }
 
 void KRandrSimpleAPI::applyDisplayGamma(TQPtrList<SingleScreenData> screenInfoArray) {
-	int i;
 	Display *randr_display;
 	XRROutputInfo *output_info;
 	ScreenInfo *randr_screen_info;
@@ -1108,7 +1107,7 @@ void KRandrSimpleAPI::applyDisplayGamma(TQPtrList<SingleScreenData> screenInfoAr
 	if (isValid() == true) {
 		randr_display = tqt_xdisplay();
 		randr_screen_info = read_screen_info(randr_display);
-		for (i = 0; i < screenInfoArray.count(); i++) {
+		for (int i = 0; i < screenInfoArray.count(); i++) {
 			screendata = screenInfoArray.at(i);
 			output_info = randr_screen_info->outputs[i]->info;
 			CrtcInfo *current_crtc = randr_screen_info->outputs[i]->cur_crtc;
@@ -1117,7 +1116,7 @@ void KRandrSimpleAPI::applyDisplayGamma(TQPtrList<SingleScreenData> screenInfoAr
 			}
 			// vvvvvvvvv This chunk of code is based on code from the function set_gamma() of xrandr vvvvvvvvvv
 			int size = XRRGetCrtcGammaSize(randr_display, current_crtc->id);
-			if (!size || size > 65536) {
+			if (size <= 0 || size > 65536) {
 				kdWarning() << "Gamma correction table has wrong size." << endl;
 				continue;
 			}
@@ -1126,34 +1125,33 @@ void KRandrSimpleAPI::applyDisplayGamma(TQPtrList<SingleScreenData> screenInfoAr
 				kdWarning() << "Gamma allocation failed." << endl;
 				continue;
 			}
-			for (i = 0; i < size; i++) {
+			for (int j = 0; j < size; j++) {
 				if (screendata->gamma_red == 1.0)
 				{
-					gamma->red[i] = (double)i / (double)(size - 1) * 65530.0;
+					gamma->red[j] = (double)j / (double)(size - 1) * 65530.0;
 				}
 				else
 				{
-					gamma->red[i] = fmin(pow((double)i / (double)(size - 1), screendata->gamma_red), 1.0) * 65530.0;
+					gamma->red[j] = fmin(pow((double)j / (double)(size - 1), screendata->gamma_red), 1.0) * 65530.0;
 				}
 
 				if (screendata->gamma_green == 1.0)
 				{
-					gamma->green[i] = (double)i / (double)(size - 1) * 65530.0;
+					gamma->green[j] = (double)j / (double)(size - 1) * 65530.0;
 				}
 				else
 				{
-					gamma->green[i] = fmin(pow((double)i / (double)(size - 1), screendata->gamma_green), 1.0) * 65530.0;
+					gamma->green[j] = fmin(pow((double)j / (double)(size - 1), screendata->gamma_green), 1.0) * 65530.0;
 				}
 
 				if (screendata->gamma_blue == 1.0)
 				{
-					gamma->blue[i] = (double)i / (double)(size - 1) * 65530.0;
+					gamma->blue[j] = (double)j / (double)(size - 1) * 65530.0;
 				}
 				else
 				{
-					gamma->blue[i] = fmin(pow((double)i / (double)(size - 1), screendata->gamma_blue), 1.0) * 65530.0;
+					gamma->blue[j] = fmin(pow((double)j / (double)(size - 1), screendata->gamma_blue), 1.0) * 65530.0;
 				}
-
 			}
 			XRRSetCrtcGamma(randr_display, current_crtc->id, gamma);
 			free(gamma);