diff options
Diffstat (limited to 'macosx/tclMacOSXBundle.c')
| -rw-r--r-- | macosx/tclMacOSXBundle.c | 234 |
1 files changed, 149 insertions, 85 deletions
diff --git a/macosx/tclMacOSXBundle.c b/macosx/tclMacOSXBundle.c index 14be2f0..dad3733 100644 --- a/macosx/tclMacOSXBundle.c +++ b/macosx/tclMacOSXBundle.c @@ -4,60 +4,144 @@ * This file implements functions that inspect CFBundle structures on * MacOS X. * - * Copyright 2001, Apple Computer, Inc. - * Copyright (c) 2003-2007 Daniel A. Steffen <das@users.sourceforge.net> + * Copyright 2001-2009, Apple Inc. + * 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. - * - * The following terms apply to all files originating from Apple - * Computer, Inc. ("Apple") and associated with the software unless - * explicitly disclaimed in individual files. - * - * Apple hereby grants permission to use, copy, modify, distribute, and - * license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that - * this notice is included verbatim in any distributions. No written - * agreement, license, or royalty fee is required for any of the - * authorized uses. Modifications to this software may be copyrighted by - * their authors and need not follow the licensing terms described here, - * provided that the new terms are clearly indicated on the first page of - * each file where they apply. - * - * IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE SOFTWARE - * BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR - * CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS - * DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF APPLE OR THE - * AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. APPLE, - * THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND - * NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND - * APPLE,THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE - * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - * - * GOVERNMENT USE: If you are acquiring this software on behalf of the - * U.S. government, the Government shall have only "Restricted Rights" in - * the software and related documentation as defined in the Federal - * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are - * acquiring the software on behalf of the Department of Defense, the - * software shall be classified as "Commercial Computer Software" and the - * Government shall have only "Restricted Rights" as defined in Clause - * 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the - * authors grant the U.S. Government and others acting in its behalf - * permission to use and distribute the software in accordance with the - * terms specified in this license. - * - * RCS: @(#) $Id: tclMacOSXBundle.c,v 1.13 2008/12/07 16:28:44 das Exp $ */ #include "tclPort.h" #ifdef HAVE_COREFOUNDATION #include <CoreFoundation/CoreFoundation.h> + +#ifndef TCL_DYLD_USE_DLFCN +/* + * Use preferred dlfcn API on 10.4 and later + */ +# if !defined(NO_DLFCN_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1040 +# define TCL_DYLD_USE_DLFCN 1 +# else +# define TCL_DYLD_USE_DLFCN 0 +# endif +#endif /* TCL_DYLD_USE_DLFCN */ + +#ifndef TCL_DYLD_USE_NSMODULE +/* + * Use deprecated NSModule API only to support 10.3 and earlier: + */ +# if MAC_OS_X_VERSION_MIN_REQUIRED < 1040 +# define TCL_DYLD_USE_NSMODULE 1 +# else +# define TCL_DYLD_USE_NSMODULE 0 +# endif +#endif /* TCL_DYLD_USE_NSMODULE */ + +#if TCL_DYLD_USE_DLFCN +#include <dlfcn.h> +#if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040 +/* + * Support for weakly importing dlfcn API. + */ +extern void * dlsym(void *handle, const char *symbol) + WEAK_IMPORT_ATTRIBUTE; +extern char * dlerror(void) WEAK_IMPORT_ATTRIBUTE; +#endif +#endif /* TCL_DYLD_USE_DLFCN */ + +#if TCL_DYLD_USE_NSMODULE #include <mach-o/dyld.h> +#endif + +#if (TCL_DYLD_USE_DLFCN && MAC_OS_X_VERSION_MIN_REQUIRED < 1040) || \ + (MAC_OS_X_VERSION_MIN_REQUIRED < 1050) +MODULE_SCOPE long tclMacOSXDarwinRelease; +#endif + +#ifdef TCL_DEBUG_LOAD +#define TclLoadDbgMsg(m, ...) \ + do { \ + fprintf(stderr, "%s:%d: %s(): " m ".\n", \ + strrchr(__FILE__, '/')+1, __LINE__, __func__, \ + ##__VA_ARGS__); \ + } while (0) +#else +#define TclLoadDbgMsg(m, ...) +#endif /* TCL_DEBUG_LOAD */ + +/* + * Forward declaration of functions defined in this file: + */ + +static short OpenResourceMap(CFBundleRef bundleRef); + #endif /* HAVE_COREFOUNDATION */ + +/* + *---------------------------------------------------------------------- + * + * OpenResourceMap -- + * + * Wrapper that dynamically acquires the address for the function + * CFBundleOpenBundleResourceMap before calling it, since it is only + * present in full CoreFoundation on Mac OS X and not in CFLite on pure + * Darwin. Factored out because it is moderately ugly code. + * + *---------------------------------------------------------------------- + */ + +#ifdef HAVE_COREFOUNDATION +static short +OpenResourceMap( + CFBundleRef bundleRef) +{ + static int initialized = FALSE; + static short (*openresourcemap)(CFBundleRef) = NULL; + + if (!initialized) { +#if TCL_DYLD_USE_DLFCN +#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040 + if (tclMacOSXDarwinRelease >= 8) +#endif + { + openresourcemap = dlsym(RTLD_NEXT, + "CFBundleOpenBundleResourceMap"); +#ifdef TCL_DEBUG_LOAD + if (!openresourcemap) { + const char *errMsg = dlerror(); + + TclLoadDbgMsg("dlsym() failed: %s", errMsg); + } +#endif /* TCL_DEBUG_LOAD */ + } + if (!openresourcemap) +#endif /* TCL_DYLD_USE_DLFCN */ + { +#if TCL_DYLD_USE_NSMODULE + if (NSIsSymbolNameDefinedWithHint( + "_CFBundleOpenBundleResourceMap", "CoreFoundation")) { + NSSymbol nsSymbol = NSLookupAndBindSymbolWithHint( + "_CFBundleOpenBundleResourceMap", "CoreFoundation"); + + if (nsSymbol) { + openresourcemap = NSAddressOfSymbol(nsSymbol); + } + } +#endif /* TCL_DYLD_USE_NSMODULE */ + } + initialized = TRUE; + } + + if (openresourcemap) { + return openresourcemap(bundleRef); + } + return -1; +} + +#endif /* HAVE_COREFOUNDATION */ + /* *---------------------------------------------------------------------- * @@ -86,8 +170,8 @@ Tcl_MacOSXOpenBundleResources( int maxPathLen, char *libraryPath) { - return Tcl_MacOSXOpenVersionedBundleResources(interp, bundleName, - NULL, hasResourceFile, maxPathLen, libraryPath); + return Tcl_MacOSXOpenVersionedBundleResources(interp, bundleName, NULL, + hasResourceFile, maxPathLen, libraryPath); } /* @@ -145,17 +229,16 @@ 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 +246,13 @@ Tcl_MacOSXOpenVersionedBundleResources( CFURLRef versionedBundleURL = CFURLCreateCopyAppendingPathComponent( NULL, versURL, bundleVersionRef, TRUE); + if (versionedBundleURL) { versionedBundleRef = CFBundleCreate(NULL, versionedBundleURL); + if (versionedBundleRef) { + bundleRef = versionedBundleRef; + } CFRelease(versionedBundleURL); } CFRelease(versURL); @@ -175,40 +262,11 @@ Tcl_MacOSXOpenVersionedBundleResources( } CFRelease(bundleURL); } - if (versionedBundleRef) { - bundleRef = versionedBundleRef; - } } if (bundleRef) { if (hasResourceFile) { - /* - * Dynamically acquire address for CFBundleOpenBundleResourceMap - * symbol, since it is only present in full CoreFoundation on Mac - * OS X and not in CFLite on pure Darwin. - */ - - static int initialized = FALSE; - static short (*openresourcemap)(CFBundleRef) = NULL; - - if (!initialized) { - NSSymbol nsSymbol = NULL; - if (NSIsSymbolNameDefinedWithHint( - "_CFBundleOpenBundleResourceMap", "CoreFoundation")) { - nsSymbol = NSLookupAndBindSymbolWithHint( - "_CFBundleOpenBundleResourceMap","CoreFoundation"); - if (nsSymbol) { - openresourcemap = NSAddressOfSymbol(nsSymbol); - } - } - initialized = TRUE; - } - - if (openresourcemap) { - short refNum; - - refNum = openresourcemap(bundleRef); - } + (void) OpenResourceMap(bundleRef); } libURL = CFBundleCopyResourceURL(bundleRef, CFSTR("Scripts"), @@ -221,22 +279,28 @@ Tcl_MacOSXOpenVersionedBundleResources( */ CFURLGetFileSystemRepresentation(libURL, TRUE, - (unsigned char*) libraryPath, maxPathLen); + (unsigned char *) libraryPath, maxPathLen); 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); + } } } if (libraryPath[0]) { return TCL_OK; - } else { - return TCL_ERROR; } -#else /* HAVE_COREFOUNDATION */ - return TCL_ERROR; #endif /* HAVE_COREFOUNDATION */ + return TCL_ERROR; } /* |