From 730151273020b6fd7262e34ad323c017a30951c8 Mon Sep 17 00:00:00 2001
From: Theodore Tso <tytso@mit.edu>
Date: Fri, 7 Oct 1994 18:21:02 +0000
Subject: [PATCH] Include unistd.h if it is present

Use POSIX_FILE_LOCKS if _POSIX_VERSION is defined.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@4482 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/krb5/ccache/file/ChangeLog    |  5 +++++
 src/lib/krb5/ccache/file/configure.in |  1 +
 src/lib/krb5/ccache/file/fcc_maybe.c  | 11 ++++++++++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/lib/krb5/ccache/file/ChangeLog b/src/lib/krb5/ccache/file/ChangeLog
index eeacb9dd8..219f21b47 100644
--- a/src/lib/krb5/ccache/file/ChangeLog
+++ b/src/lib/krb5/ccache/file/ChangeLog
@@ -1,3 +1,8 @@
+Fri Oct  7 14:18:44 1994  Theodore Y. Ts'o  (tytso@dcl)
+
+	* configure.in: Add test for unistd.h
+	* fcc_maybe.c: Use POSIX_FILE_LOCKS if _POSIX_VERSION is defined.
+
 Fri Sep 30 21:54:20 1994  Theodore Y. Ts'o  (tytso@dcl)
 
 	* fcc_defops.c (krb5_cc_file_ops):
diff --git a/src/lib/krb5/ccache/file/configure.in b/src/lib/krb5/ccache/file/configure.in
index 52832f2ac..c272628cc 100644
--- a/src/lib/krb5/ccache/file/configure.in
+++ b/src/lib/krb5/ccache/file/configure.in
@@ -2,6 +2,7 @@ AC_INIT(configure.in)
 WITH_CCOPTS
 AC_SET_BUILDTOP
 CONFIG_RULES
+AC_HAVE_HEADERS(unistd.h)
 SubdirLibraryRule([${OBJS}])
 KRB_INCLUDE
 AC_OUTPUT(Makefile,[EXTRA_RULES])
diff --git a/src/lib/krb5/ccache/file/fcc_maybe.c b/src/lib/krb5/ccache/file/fcc_maybe.c
index 0de6b206a..f60f20fc8 100644
--- a/src/lib/krb5/ccache/file/fcc_maybe.c
+++ b/src/lib/krb5/ccache/file/fcc_maybe.c
@@ -24,7 +24,10 @@
  * This file contains the source code for conditional open/close calls.
  */
 
-
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+          
 #include "fcc.h"
 #include <errno.h>
 #include <krb5/osconf.h>
@@ -41,6 +44,12 @@ int krb5_fcc_default_format = KRB5_FCC_DEFAULT_FVNO;
 #include <krb5/los-proto.h>
 #include <stdio.h>
 
+#ifdef _POSIX_VERSION
+ /* Is there a better way to decide whether or not we should use flock */
+ /* vs. fcntl.  Example: broken SunOS tmpfs.... */
+#define POSIX_FILE_LOCKS
+#endif
+
 #ifdef POSIX_FILE_LOCKS
 #ifndef unicos61
 #include <fcntl.h>
-- 
2.26.2