venti: fix usage to match manuals

R=rsc
CC=plan9port.codebot
http://codereview.appspot.com/4576041

src/cmd/venti/srv/buildindex.c

@@ -50,7 +50,7 @@ static void	arenapartproc(void*);
 void
 usage(void)
 {
-	fprint(2, "usage: buildindex [-b] [-i isect]... [-M imem] venti.conf\n");
+	fprint(2, "usage: buildindex [-bd] [-i isect]... [-M imem] venti.conf\n");
 	threadexitsall("usage");
 }
 

src/cmd/venti/srv/fmtarenas.c

@@ -5,7 +5,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: fmtarenas [-Z] [-b blocksize] [-a arenasize] name file\n");
+	fprint(2, "usage: fmtarenas [-4Z] [-a arenasize] [-b blocksize] name file\n");
 	threadexitsall(0);
 }
 

src/cmd/venti/srv/fmtbloom.c

@@ -7,7 +7,7 @@ Bloom b;
 void
 usage(void)
 {
-	fprint(2, "usage: fmtbloom [-s size] [-n nblocks | -N nhash] file\n");
+	fprint(2, "usage: fmtbloom [-n nblocks | -N nhash] [-s size] file\n");
 	threadexitsall(0);
 }
 

src/cmd/venti/srv/fmtindex.c

@@ -5,7 +5,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: fmtindex [-a] config\n");
+	fprint(2, "usage: fmtindex [-a] venti.conf\n");
 	threadexitsall(0);
 }
 

src/cmd/venti/srv/fmtisect.c

@@ -5,7 +5,7 @@
 void
 usage(void)
 {
-	fprint(2, "usage: fmtisect [-Z] [-b blocksize] name file\n");
+	fprint(2, "usage: fmtisect [-1Z] [-b blocksize] name file\n");
 	threadexitsall(0);
 }
 

src/cmd/venti/srv/venti.c

@@ -18,8 +18,8 @@ static void	ventiserver(void*);
 void
 usage(void)
 {
-	fprint(2, "usage: venti [-Ldrsw] [-a ventiaddr] [-c config] "
+	fprint(2, "usage: venti [-Ldrs] [-a address] [-B blockcachesize] [-c config] "
-"[-h httpaddr] [-B blockcachesize] [-C cachesize] [-I icachesize] [-W webroot]\n");
+"[-C lumpcachesize] [-h httpaddress] [-I indexcachesize] [-W webroot]\n");
 	threadexitsall("usage");
 }
 void

src/cmd/venti/srv/wrarena.c

@@ -24,7 +24,7 @@ struct ZClump
 void
 usage(void)
 {
-	fprint(2, "usage: wrarena [-h host] arenafile [offset]\n");
+	fprint(2, "usage: wrarena [-o fileoffset] [-h host] arenafile [clumpoffset]\n");
 	threadexitsall("usage");
 }