plan9port

commit 5d32c407ba9b6563dd3fc1f594e268a102691c26
parent a2660887c0d607989b8a50822d8882140072a6a5
Author: Russ Cox <rsc@swtch.com>
Date:   Thu,  8 May 2008 16:20:19 -0400

acme: fix mtpt crash (Tim Wiess)

Diffstat:
M
src/cmd/acme/acme.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/cmd/acme/acme.c b/src/cmd/acme/acme.c
@@ -1068,6 +1068,9 @@ ismtpt(char *file)
 {
 	int n;
 
+	if(mtpt == nil)
+		return 0;
+
 	/* This is not foolproof, but it will stop a lot of them. */
 	n = strlen(mtpt);
 	return strncmp(file, mtpt, n) == 0 && ((n > 0 && mtpt[n-1] == '/') || file[n] == '/' || file[n] == 0);