1 files changed, 2 insertions(+), 0 deletions(-)

M main.c

@@ 60,6 60,8 @@ main(int argc, char **argv)
 		fd = open(*argv, OREAD);
 	else if(argc != 0)
 		usage();
+	if(fd < 0)
+		sysfatal("%r");
 
 	if(Binits(&f, fd, OREAD, inbuf, Inbufsz) != 0)
 		sysfatal("%r");