shithub: namespace-example

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added usage

--- a/main.c

+++ b/main.c

@@ -4,6 +4,13 @@

 #include <thread.h>

 #include <9p.h>

+void

+usage(void)

+{

+	fprint(2, "%s [-D] [-m mtpt] [-s srv]\n", argv0);

+	exits("usage");

+}

+

 enum {

 	Qroot,

 		Qitem1,

@@ -111,7 +118,6 @@

 	int n = 0;

 	uvlong path = r->fid->qid.path;

 	vlong offset;

-	long count;

 	offset = r->ifcall.offset;

 	if(offset >= 1){

 		r->ofcall.count = 0;

@@ -190,6 +196,19 @@

 	char *mtpt, *srvn;

 	mtpt = "/mnt/namespace-test";

 	srvn = nil;

+	ARGBEGIN{

+	case 'm':

+		mtpt = EARGF(usage());

+		break;

+	case 's':

+		srvn = EARGF(usage());

+		break;

+	case 'D':

+		chatty9p++;

+		break;

+	default:

+		usage();

+	}ARGEND;

 	postmountsrv(&fs, srvn, mtpt, MREPL);

 	exits(nil);

 }