shithub: rgbds

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Explicitly error out if no input image is given

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

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

@@ -700,6 +700,10 @@

 		fputs("Ready.\n", stderr);

 	}

+	if (options.input.empty()) {

+		fatal("No input image specified");

+	}

+

 	// Do not do anything if option parsing went wrong

 	if (nbErrors) {

 		return 0;