shithub: rgbds

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Check the range of the CLI-specified palette size

--- a/src/gfx/main.cpp

+++ b/src/gfx/main.cpp

@@ -350,6 +350,11 @@

 			if (*arg != '\0') {

 				error("Palette size (-s) argument must be a valid number, not \"%s\"", musl_optarg);

 			}

+			if (options.nbColorsPerPal > 4) {

+				error("Palette size (-s) argument must not exceed 4!");

+			} else if (options.nbColorsPerPal == 0) {

+				error("Palette size (-s) argument may not be 0!");

+			}

 			break;

 		case 'T':

 			autoTilemap = true;