From 9e85433e9aa07bebf79ed9d22cf9de8a75c4c038 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Tue, 7 Jun 1994 21:40:22 +0000
Subject: [PATCH] added errno definition

---
 getcwd.c        |  6 ++++++
 getwd.c         |  6 ++++++
 realpath.c      | 10 ++++++++--
 sudo_realpath.c | 10 ++++++++--
 4 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/getcwd.c b/getcwd.c
index c329f958b..3b36c82cf 100644
--- a/getcwd.c
+++ b/getcwd.c
@@ -66,6 +66,12 @@ extern int lstat();
 #endif /* _PATH_PWD */
 
 
+/*
+ * Since we can't count on this being defined...
+ */
+extern int errno;
+
+
 /******************************************************************
  *
  *  getcwd()
diff --git a/getwd.c b/getwd.c
index c329f958b..3b36c82cf 100644
--- a/getwd.c
+++ b/getwd.c
@@ -66,6 +66,12 @@ extern int lstat();
 #endif /* _PATH_PWD */
 
 
+/*
+ * Since we can't count on this being defined...
+ */
+extern int errno;
+
+
 /******************************************************************
  *
  *  getcwd()
diff --git a/realpath.c b/realpath.c
index 172c786fc..42acf242d 100644
--- a/realpath.c
+++ b/realpath.c
@@ -69,12 +69,18 @@ extern int lstat();
  * Prototypes
  */
 #ifdef HAVE_FCHDIR
-static char * realpath_ret(char *, FILE *);
+static char * realpath_ret	__P((char *, FILE *));
 #else
-static char * realpath_ret(char *, char *);
+static char * realpath_ret	__P((char *, char *));
 #endif /* HAVE_FCHDIR */
 
 
+/*
+ * Since we can't count on this being defined...
+ */
+extern int errno;
+
+
 /******************************************************************
  *
  *  realpath()
diff --git a/sudo_realpath.c b/sudo_realpath.c
index 172c786fc..42acf242d 100644
--- a/sudo_realpath.c
+++ b/sudo_realpath.c
@@ -69,12 +69,18 @@ extern int lstat();
  * Prototypes
  */
 #ifdef HAVE_FCHDIR
-static char * realpath_ret(char *, FILE *);
+static char * realpath_ret	__P((char *, FILE *));
 #else
-static char * realpath_ret(char *, char *);
+static char * realpath_ret	__P((char *, char *));
 #endif /* HAVE_FCHDIR */
 
 
+/*
+ * Since we can't count on this being defined...
+ */
+extern int errno;
+
+
 /******************************************************************
  *
  *  realpath()