shithub: scc

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[cc2] add support for reading from filename argument

--- a/cc2/main.c

+++ b/cc2/main.c

@@ -3,6 +3,7 @@

 #include <stdio.h>

 #include <stdlib.h>

+#include "../inc/cc.h"

 #include "arch.h"

 #include "cc2.h"

 #include "error.h"

@@ -33,8 +34,15 @@

 }

 int

-main(void)

+main(int argc, char *argv[])

 {

+	if (argc > 2)

+		die("usage: cc2 [irfile]");

+

+	if (argv[1]) {

+		if (!freopen(argv[1], "r", stdin))

+			die("cc2: cannot open %s", argv[1]);

+	}

 	while (moreinput()) {

 		parse();