plan9port

commit b94ad13d4bb66daa6644345b055047395b8890b1
parent 66c10f02c3741400771f92bb98b9df22d3c1abdd
Author: rsc <devnull@localhost>
Date:   Tue,  4 Jan 2005 22:19:07 +0000

cache answer

Diffstat:
M
src/lib9/get9root.c
 | 
9
+++++++--

1 file changed, 7 insertions(+), 2 deletions(-)
diff --git 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;
 }