plan9port

commit 21c4c72798b0bf2fb9a2761744bc41e89fc87fcc
parent c7c29d26b7f9bcd735779859211bf525f007078e
Author: rsc <devnull@localhost>
Date:   Tue, 29 Aug 2006 20:15:01 +0000

Aviod seg fault when no file

Diffstat:
M
src/cmd/sam/shell.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/cmd/sam/shell.c b/src/cmd/sam/shell.c
@@ -12,7 +12,10 @@ void
 setname(File *f)
 {
 	char buf[1024];
-	snprint(buf, sizeof buf, "%.*S", f->name.n, f->name.s);
+	if(f)
+		snprint(buf, sizeof buf, "%.*S", f->name.n, f->name.s);
+	else
+		buf[0] = 0;
 	putenv("samfile", buf);
 }