commit - a20a146803c2e193d8173e9bb2a0b3f74245549d
commit + 32053cdfb36ca6653bc2aad7a1962ab9692ae286
blob - 8687826dda4e214473aeede7b66e59b114e21bd0
blob + 8cc7407be36fc6dd71d5e751dbd7c8aa81190e66
--- src/cmd/vac/vacfs.c
+++ src/cmd/vac/vacfs.c
@@ -144,7 +144,7 @@ threadmain(int argc, char *argv[])
 		dflag = 1;
 		break;
 	case 'c':
-		ncache = atoi(ARGF());
+		ncache = atoi(EARGF(usage()));
 		break;
 	case 'i':
 		stdio = 1;
@@ -152,10 +152,10 @@ threadmain(int argc, char *argv[])
 		mfd[1] = 1;
 		break;
 	case 'h':
-		host = ARGF();
+		host = EARGF(usage());
 		break;
 	case 's':
-		defsrv = ARGF();
+		defsrv = EARGF(usage());
 		break;
 	case 'p':
 		noperm = 1;