argument parsing

args.h

@@ -19,10 +19,7 @@
 extern char *argv0;
 
 typedef struct Options {
-	bool perf_opt1;
+	bool stub;	// no real options... yet
-	bool perf_opt2;
-	bool perf_opt3;
-	bool verbose;
 } Options;
 
 /* use main(int argc, char *argv[]) */

main.c

@@ -7,13 +7,32 @@
 #include "termbox.h"
 #include "args.h"
 
+#define VERSION	"0.1.0"
+
 // argument parsing (args.h)
 char *argv0;
 struct Options *opts;
 
 int
-main ( void )
+main ( int argc, char *argv[] )
 {
+	// argument parsing
+	argv0 = argv[0];
+
+	ARGBEGIN {
+		case 'V':
+			PRINT("%s %s\n", argv0, VERSION);
+			exit(0);
+		case 'h':
+		default:
+			PRINT("fire %s\n(c) Kied Llaentenn and contributors\n", VERSION);
+			PRINT("https://github.com/lptstr/fire\n");
+			PRINT("\nUSAGE:\n\t$ fire\n\n");
+			PRINT("OPTIONS:\n\t-V\tshow version and exit.\n");
+			PRINT("\t-h\tshow this help message and exit.\n\n");
+			exit(1);
+	} ARGEND
+
 	// initialize termbox
 	tb_init();
 	tb_select_output_mode(TB_OUTPUT_NORMAL);
@@ -40,7 +59,7 @@ main ( void )
 	tb_shutdown();
 
 	// cleanup framebuffer
-	free(buf.tmp_buf);
+	free(buf.buf);
 
 	return 0;
 }

output.h

@@ -1,5 +1,6 @@
 #ifndef OUTP_H
 #define OUTP_H
+#include <stdio.h>
 
 #define PRINT(...)	fprintf(stderr, __VA_ARGS__);