From f3a09c6c9bfd84fb510e218c61cfe345f8c1cf73 Mon Sep 17 00:00:00 2001
From: Mike Barcroft <mike@FreeBSD.org>
Date: Sun, 9 Jun 2002 00:46:24 +0000
Subject: [PATCH] Check the return value of getcwd() to avoid printf()ing a
 NULL.  Mark usage() as __dead2 to avoid a GCC warning.

Spotted by:	keramida
---
 bin/realpath/realpath.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/bin/realpath/realpath.c b/bin/realpath/realpath.c
index 2cd9e6036e86..57cbb971cc43 100644
--- a/bin/realpath/realpath.c
+++ b/bin/realpath/realpath.c
@@ -41,7 +41,7 @@ __FBSDID("$FreeBSD$");
 #include <stdlib.h>
 #include <unistd.h>
 
-static void usage(void);
+static void usage(void) __dead2;
 
 int
 main(int argc, char *argv[])
@@ -49,9 +49,10 @@ main(int argc, char *argv[])
 	char buf[PATH_MAX];
 	char *p;
 
-	if (argc == 1)
-		p = getcwd(NULL, 0);
-	else if (argc == 2) {
+	if (argc == 1) {
+		if ((p = getcwd(NULL, 0)) == NULL)
+			err(1, "getcwd()");
+	} else if (argc == 2) {
 		if ((p = realpath(argv[1], buf)) == NULL)
 			err(1, "%s", argv[1]);
 	} else