11.1/link-and-unlink-command.diff

Use link(2) or unlink(2) directly if ln(1) or rm(1) was started with such names.

diff -ru --exclude-from freebsd-src-diff-exclude-names /usr/src/bin/ln/ln.c freebsd-11.1/usr/src/bin/ln/ln.c
--- /usr/src/bin/ln/ln.c	2017-07-21 07:43:20.000000000 +0800
+++ freebsd-11.1/usr/src/bin/ln/ln.c	2019-03-22 16:57:52.738332000 +0800
@@ -91,7 +91,13 @@
 		argv += optind;
 		if (argc != 2)
 			usage();
-		exit(linkit(argv[0], argv[1], 0));
+		/* The link(2) system call should be used directly */
+		if(link(argv[0], argv[1]) < 0) {
+			fprintf(stderr, "link: %s -> %s: %s\n",
+				argv[0], argv[1], strerror(errno));
+			return 1;
+		}
+		return 0;
 	}
 
 	while ((ch = getopt(argc, argv, "FLPfhinsvw")) != -1)
diff -ru --exclude-from freebsd-src-diff-exclude-names /usr/src/bin/rm/rm.c freebsd-11.1/usr/src/bin/rm/rm.c
--- /usr/src/bin/rm/rm.c	2017-07-21 07:43:20.000000000 +0800
+++ freebsd-11.1/usr/src/bin/rm/rm.c	2019-03-22 17:00:22.162689000 +0800
@@ -105,8 +105,12 @@
 		argv += optind;
 		if (argc != 1)
 			usage();
-		rm_file(&argv[0]);
-		exit(eval);
+		/* The unlink(2) system call should be used directly */
+		if(unlink(*argv) < 0) {
+			perror(*argv);
+			return 1;
+		}
+		return 0;
 	}
 
 	Pflag = rflag = xflag = 0;