From b94ad13d4bb66daa6644345b055047395b8890b1 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Tue, 4 Jan 2005 22:19:07 +0000
Subject: cache answer

---
 src/lib9/get9root.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib9/get9root.c b/src/lib9/get9root.c
index 858b4e74..3ef704c9 100644
--- a/src/lib9/get9root.c
+++ b/src/lib9/get9root.c
@@ -4,10 +4,15 @@
 char*
 get9root(void)
 {
-	char *s;
+	static char *s;
+
+	if(s)
+		return s;
 
 	if((s = getenv("PLAN9")) != 0)
 		return s;
-	return "/usr/local/plan9";
+	/* could do better - search $PATH */
+	s = "/usr/local/plan9";
+	return s;
 }
 
-- 
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