Added option to disable command-line options

connect4.c

@@ -20,7 +20,9 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <limits.h>
+#ifndef NO_OPTIONS
 #include <getopt.h>
+#endif /* ! NO_OPTIONS */
 #include <string.h>
 #include "macros.h"
 #include "config.h"
@@ -39,12 +41,14 @@
 #define VERSIONSTRING \
 	"AnnaConnect version "XSTR(FULLVERSION)", Copyright (C) Anna Snoeijs\n"
 
+#ifndef NO_OPTIONS
 // The LISENCE file
 // Not null-terminated so need pointers for both start and end
 extern char _binary_LICENSE_start[];
 extern char _binary_LICENSE_end[];
+#endif /* ! NO_OPTIONS */
 
-int main( int argc, char *argv[] ){
+int main( [[maybe_unused]] int argc, [[maybe_unused]] char *argv[] ){
 	// Initialise variables
 	board_t playboard = {
 		.player = 0,
@@ -53,9 +57,10 @@ int main( int argc, char *argv[] ){
 		.count0 = {0},
 		.count1 = {0},
 	};
+	wins_t *wins = malloc( sizeof(wins_t) );
+#ifndef NO_OPTIONS
 	FILE *outputfile = NULL;
 	char *filename = NULL;
-	wins_t *wins = malloc( sizeof(wins_t) );
 	bool randomMoves = 0;
 	// Parse options
 	for(;;){
@@ -158,12 +163,18 @@ int main( int argc, char *argv[] ){
 		return -1;
 	}
 #undef ROWOVERFLOW
+#endif /* ! NO_OPTIONS */
 	// Start the actual program
 	printf(
 		VERSIONSTRING
 		"AnnaConnect comes with ABSOLUTELY NO WARRANTY\n"
 		"This is free software, and you are welcome to redistribute it\n"
-		"under certain condtions. See `%s --license`\n", argv[0]
+		"under certain condtions."
+#ifndef NO_OPTIONS
+		" See `%s --license`\n", argv[0]
+#else  /* NO_OPTIONS */
+		"\n"
+#endif /* NO_OPTIONS */
 	);
 	// board, innit?
 	// Allocate the board
@@ -185,11 +196,10 @@ int main( int argc, char *argv[] ){
 		wins->same.horizontal4   = calloc( playboard.columns, sizeof(column_t) );
 		wins->same.diagonalUp4   = calloc( playboard.columns, sizeof(column_t) );
 		wins->same.diagonalDown4 = calloc( playboard.columns, sizeof(column_t) );
-		goto init_ui;
 	}
-	init_ui:
 	initBoard( playboard );
 	// Begin loopin
+#ifndef NO_OPTIONS
 	if( outputfile != NULL ){
 		fprintf(
 			outputfile,
@@ -203,21 +213,29 @@ int main( int argc, char *argv[] ){
 			playboard.columns
 		);
 	}
+#endif /* ! NO_OPTIONS */
 	for(;; playboard.player = !playboard.player ){
 		columnsint_t column;
+#ifndef NO_OPTIONS
 		if( randomMoves ){
 			column = randomColumn( playboard );
 		}else{
 			column = askColumn( playboard );
 		};
+#else  /* NO_OPTIONS */
+		column = askColumn( playboard );
+#endif /* NO_OPTIONS */
 		if( column == QUITCOLUMN ) break;
 		playMove( &playboard, column );
 		calcWins( wins, &playboard, column );
 		updateBoard( playboard, column );
+#ifndef NO_OPTIONS
 		if( outputfile != NULL ){
 			fprintf( outputfile, "%d\n", column );
 		}
+#endif /* ! NO_OPTIONS */
 	}
+#ifndef NO_OPTIONS
 	if( outputfile != NULL ){
 		fprintf( outputfile,
 			"# Wins\n"
@@ -237,5 +255,6 @@ int main( int argc, char *argv[] ){
 		fclose( outputfile );
 		printf( "Output is written to %s\n", filename );
 	}
+#endif /* ! NO_OPTIONS */
 	exit_ui();
 }

makefile

@@ -28,6 +28,11 @@ FLAGS += -flto
 #FLAGS += -Wno-sign-conversion
 #FLAGS += -Wformat-truncation=0
 
+ifneq (, $(EXTRA_FLAGS))
+	FLAGS += $(EXTRA_FLAGS)
+endif
+
+
 # Compile flag for defining GITHASH to put at the end of the version string
 GITFLAG = -D'GITHASH=$(shell git rev-parse --short=1 HEAD)'