shithub: unionfs

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Talk 9p on stdio with the -i flag

Useful in combination with a network listener, like:

	aux/listen1 -t tcp!*!9 /bin/unionfs -i /union/of /this/and /that

--- a/unionfs.c

+++ b/unionfs.c

@@ -734,9 +734,8 @@

 void

 main(int argc, char *argv[])

 {

-	int c, i;

-	int mflag;

-	char *mtpt, *srv;

+	int c, i, mflag, stdio;

+	char *mtpt, *srvname;

 	Dir *d;

 	Union *u;

@@ -743,7 +742,8 @@

 	c = 0;

 	mflag = MREPL|MCREATE;

 	mtpt = "/mnt/union";

-	srv = nil;

+	srvname = nil;

+	stdio = 0;

 	ARGBEGIN{

 	case 'a':

 		mflag |= MAFTER;

@@ -767,8 +767,11 @@

 		mtpt = nil;

 		break;

 	case 's':

-		srv = EARGF(usage());

+		srvname = EARGF(usage());

 		break;

+	case 'i':

+		stdio = 1;

+		break;

 	default:

 		usage();

 	}ARGEND;

@@ -799,7 +802,14 @@

 		unionlist->next->create = 1;

 	initroot();

-	postmountsrv(&fs, srv, mtpt, mflag);

-	

+

+	if(stdio == 0){

+		postmountsrv(&fs, srvname, mtpt, mflag);

+		exits(nil);

+	}

+	fs.nopipe = 1;

+	fs.infd = 0;

+	fs.outfd = 1;

+	srv(&fs);

 	exits(nil);

 }