Fix img2pal.py and improve error messages

main.c

@@ -161,8 +161,7 @@ static int processAudio(char *filename, options_t *opts){
 		// Read PNG into image buffer
 		printf("Reading %s\n", filename);
 		if(readRawImage(filename, img.prow, &img.nrow) == 0){
-			fprintf(stderr, "Skipping %s\n", img.name);
-			return 0;
+			exit(EPERM);
 		}
 	}else{
 		// Attempt to open the audio file
@@ -285,7 +284,7 @@ static int initsnd(char *filename) {
 	infwav.format = 0;
 	audioFile = sf_open(filename, SFM_READ, &infwav);
 	if (audioFile == NULL) {
-		fprintf(stderr, "Could not open %s for reading\n", filename);
+		fprintf(stderr, "Could not open %s\n", filename);
 		return 0;
 	}
 

util/img2pal.py

@@ -17,10 +17,10 @@ if len(sys.argv) == 1:
 image = Image.open(sys.argv[1])
 pixels = image.load()
 
-sys.stdout.write("char palette[{}][3] = {{\n    \"".format(image.size[1]))
+sys.stdout.write("char palette[{}*3] = {{\n    \"".format(image.size[1]))
 for y in range(1, image.size[1]+1):
     sys.stdout.write(''.join('\\x{:02x}'.format(a) for a in pixels[0, y-1]))
     if(y % 7 == 0 and y != 0):
-        sys.stdout.write("\",\n    \"")
+        sys.stdout.write("\"\n    \"")
 
-print("\"\n};")
+print("\"\n};")