From fcb69ec5d8b66cfc0b1a2127555fb1c34b2959e8 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Thu, 14 Jul 2005 00:09:44 +0000
Subject: invoke plan9 diff

---
 src/cmd/idiff.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/cmd/idiff.c')

diff --git a/src/cmd/idiff.c b/src/cmd/idiff.c
index e5519156..234333fa 100644
--- a/src/cmd/idiff.c
+++ b/src/cmd/idiff.c
@@ -104,6 +104,7 @@ rundiff(char *arg1, char *arg2, int outfd)
 	Waitmsg *w;
 
 	narg = 0;
+	arg[narg++] = "9";
 	arg[narg++] = "diff";
 	arg[narg++] = "-n";
 	if(diffbflag)
@@ -121,7 +122,7 @@ rundiff(char *arg1, char *arg2, int outfd)
 	case 0:
 		dup(outfd, 1);
 		close(0);
-		exec("diff", arg);
+		exec("9", arg);
 		sysfatal("exec: %r");
 
 	default:
-- 
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