from netbsd:

Fix file descriptor leak.
Include header files to bring prototypes into scope.  Remove explicit
declarations.

1 files changed, 6 insertions, 3 deletions

diff --git a/usr.bin/ul/ul.c b/usr.bin/ul/ul.c
index 84190841e20..b806688ec04 100644
--- a/usr.bin/ul/ul.c
+++ b/usr.bin/ul/ul.c
@@ -47,6 +47,8 @@ static char rcsid[] = "$NetBSD: ul.c,v 1.3 1994/12/07 00:28:24 jtc Exp $";
 #endif /* not lint */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #define	IESC	'\033'
 #define	SO	'\016'
@@ -93,7 +95,6 @@ main(argc, argv)
 	char *termtype;
 	FILE *f;
 	char termcap[1024];
-	char *getenv(), *strcpy();
 
 	termtype = getenv("TERM");
 	if (termtype == NULL || (argv[0][0] == 'c' && !isatty(1)))
@@ -142,8 +143,10 @@ main(argc, argv)
 		if (f == NULL) {
 			perror(argv[optind]);
 			exit(1);
-		} else
-			filter(f);
+		}
+
+		filter(f);
+		fclose(f);
 	}
 	exit(0);
 }