From f9dae4a940acc35572f2aea0f6b04646a51d802a Mon Sep 17 00:00:00 2001
From: das <das>
Date: Mon, 5 Oct 2009 02:41:17 +0000
Subject: 	* macosx/tclMacOSXBundle.c:	Workaround CF memory managment
 bug in 	* unix/tclUnixInit.c:		Mac OS X 10.4 & earlier. [Bug
 2569449]

---
 ChangeLog                |  5 +++++
 macosx/tclMacOSXBundle.c | 33 ++++++++++++++++++++++-----------
 unix/tclUnixInit.c       | 11 ++++++-----
 3 files changed, 33 insertions(+), 16 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7bd1f8e..a1a2ef0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-04  Daniel Steffen  <das@users.sourceforge.net>
+
+	* macosx/tclMacOSXBundle.c:	Workaround CF memory managment bug in
+	* unix/tclUnixInit.c:		Mac OS X 10.4 & earlier. [Bug 2569449]
+
 2009-09-28  Don Porter  <dgp@users.sourceforge.net>
 
 	* generic/tclAlloc.c:		Cleaned up various routines in the
diff --git a/macosx/tclMacOSXBundle.c b/macosx/tclMacOSXBundle.c
index af047d2..ef87dbf 100644
--- a/macosx/tclMacOSXBundle.c
+++ b/macosx/tclMacOSXBundle.c
@@ -5,7 +5,7 @@
  *	MacOS X.
  *
  * Copyright 2001, Apple Computer, Inc.
- * Copyright (c) 2003-2007 Daniel A. Steffen <das@users.sourceforge.net>
+ * Copyright (c) 2003-2009 Daniel A. Steffen <das@users.sourceforge.net>
  *
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
@@ -48,7 +48,7 @@
  *	permission to use and distribute the software in accordance with the
  *	terms specified in this license.
  *
- * RCS: @(#) $Id: tclMacOSXBundle.c,v 1.3.2.7 2008/12/07 16:39:56 das Exp $
+ * RCS: @(#) $Id: tclMacOSXBundle.c,v 1.3.2.8 2009/10/05 02:41:18 das Exp $
  */
 
 #include "tclPort.h"
@@ -56,6 +56,11 @@
 #ifdef HAVE_COREFOUNDATION
 #include <CoreFoundation/CoreFoundation.h>
 #include <mach-o/dyld.h>
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
+MODULE_SCOPE long tclMacOSXDarwinRelease;
+#endif
+
 #endif /* HAVE_COREFOUNDATION */
 
 /*
@@ -145,17 +150,16 @@ Tcl_MacOSXOpenVersionedBundleResources(
 		    bundleVersion, kCFStringEncodingUTF8);
 
 	    if (bundleVersionRef) {
+		CFComparisonResult versionComparison = kCFCompareLessThan;
 		CFStringRef bundleTailRef = CFURLCopyLastPathComponent(
 			bundleURL);
 
 		if (bundleTailRef) {
-		    if (CFStringCompare(bundleTailRef, bundleVersionRef, 0) ==
-			    kCFCompareEqualTo) {
-			versionedBundleRef = (CFBundleRef) CFRetain(bundleRef);
-		    }
+		    versionComparison = CFStringCompare(bundleTailRef,
+			    bundleVersionRef, 0);
 		    CFRelease(bundleTailRef);
 		}
-		if (!versionedBundleRef) {
+		if (versionComparison != kCFCompareEqualTo) {
 		    CFURLRef versURL = CFURLCreateCopyAppendingPathComponent(
 			    NULL, bundleURL, CFSTR("Versions"), TRUE);
 
@@ -163,9 +167,13 @@ Tcl_MacOSXOpenVersionedBundleResources(
 			CFURLRef versionedBundleURL =
 				CFURLCreateCopyAppendingPathComponent(
 				NULL, versURL, bundleVersionRef, TRUE);
+
 			if (versionedBundleURL) {
 			    versionedBundleRef = CFBundleCreate(NULL,
 				    versionedBundleURL);
+			    if (versionedBundleRef) {
+				bundleRef = versionedBundleRef;
+			    }
 			    CFRelease(versionedBundleURL);
 			}
 			CFRelease(versURL);
@@ -175,9 +183,6 @@ Tcl_MacOSXOpenVersionedBundleResources(
 	    }
 	    CFRelease(bundleURL);
 	}
-	if (versionedBundleRef) {
-	    bundleRef = versionedBundleRef;
-	}
     }
 
     if (bundleRef) {
@@ -225,7 +230,13 @@ Tcl_MacOSXOpenVersionedBundleResources(
 	    CFRelease(libURL);
 	}
 	if (versionedBundleRef) {
-	    CFRelease(versionedBundleRef);
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
+	    /* Workaround CFBundle bug in Tiger and earlier. [Bug 2569449] */
+	    if (tclMacOSXDarwinRelease >= 9)
+#endif
+	    {
+		CFRelease(versionedBundleRef);
+	    }
 	}
     }
 
diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c
index 795d312..f2918d7 100644
--- a/unix/tclUnixInit.c
+++ b/unix/tclUnixInit.c
@@ -7,7 +7,7 @@
  * Copyright (c) 1999 by Scriptics Corporation.
  * All rights reserved.
  *
- * RCS: @(#) $Id: tclUnixInit.c,v 1.34.2.15 2007/04/29 02:19:51 das Exp $
+ * RCS: @(#) $Id: tclUnixInit.c,v 1.34.2.16 2009/10/05 02:41:18 das Exp $
  */
 
 #if defined(HAVE_COREFOUNDATION)
@@ -159,10 +159,11 @@ static int		MacOSXGetLibraryPath _ANSI_ARGS_((
 			    char *tclLibPath));
 #endif /* HAVE_COREFOUNDATION */
 #if defined(__APPLE__) && (defined(TCL_LOAD_FROM_MEMORY) || ( \
-	defined(TCL_THREADS) && defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
-	MAC_OS_X_VERSION_MIN_REQUIRED < 1030) || ( \
-	defined(__LP64__) && defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
-	MAC_OS_X_VERSION_MIN_REQUIRED < 1050))
+	defined(MAC_OS_X_VERSION_MIN_REQUIRED) && ( \
+	(defined(TCL_THREADS) && MAC_OS_X_VERSION_MIN_REQUIRED < 1030) || \
+	(defined(__LP64__) && MAC_OS_X_VERSION_MIN_REQUIRED < 1050) || \
+	(defined(HAVE_COREFOUNDATION) && MAC_OS_X_VERSION_MIN_REQUIRED < 1050)\
+	)))
 /*
  * Need to check Darwin release at runtime in tclUnixFCmd.c and tclLoadDyld.c:
  * initialize release global at startup from uname().
-- 
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