configd-53.1.tar.gz

[apple/configd.git] / SystemConfiguration.fproj / dy_framework.c

diff --git a/SystemConfiguration.fproj/dy_framework.c b/SystemConfiguration.fproj/dy_framework.c
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+/*
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ *
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*
+ * Modification History
+ *
+ * October 31, 2000            Allan Nathanson <ajn@apple.com>
+ * - initial revision
+ */
+
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <mach-o/dyld.h>
+#include <CoreFoundation/CoreFoundation.h>
+
+#include "dy_framework.h"
+
+
+static void *
+__loadIOKit(void) {
+       static const void *image = NULL;
+       if (NULL == image) {
+               const char      *framework              = "/System/Library/Frameworks/IOKit.framework/IOKit";
+               struct stat     statbuf;
+               const char      *suffix                 = getenv("DYLD_IMAGE_SUFFIX");
+               char            path[MAXPATHLEN];
+
+               strcpy(path, framework);
+               if (suffix) strcat(path, suffix);
+               if (0 <= stat(path, &statbuf)) {
+                       image = NSAddImage(path, NSADDIMAGE_OPTION_NONE);
+               } else {
+                       image = NSAddImage(framework, NSADDIMAGE_OPTION_NONE);
+               }
+       }
+       return (void *)image;
+}
+
+
+__private_extern__ CFMutableDictionaryRef
+_IOBSDNameMatching(mach_port_t masterPort, unsigned int options, const char *bsdName)
+{
+       static CFMutableDictionaryRef (*dyfunc)(mach_port_t, unsigned int, const char *) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOBSDNameMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(masterPort, options, bsdName) : NULL;
+}
+
+
+__private_extern__ io_object_t
+_IOIteratorNext(io_iterator_t iterator)
+{
+       static io_object_t (*dyfunc)(io_iterator_t) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOIteratorNext", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(iterator) : 0;
+}
+
+
+__private_extern__ kern_return_t
+_IOMasterPort(mach_port_t bootstrapPort, mach_port_t *masterPort)
+{
+       static kern_return_t (*dyfunc)(mach_port_t, mach_port_t *) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOMasterPort", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(bootstrapPort, masterPort) : KERN_FAILURE;
+}
+
+
+__private_extern__ kern_return_t
+_IOObjectRelease(io_object_t object)
+{
+       static kern_return_t (*dyfunc)(io_object_t) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOObjectRelease", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(object) : KERN_FAILURE;
+}
+
+
+__private_extern__ CFTypeRef
+_IORegistryEntryCreateCFProperty(io_registry_entry_t entry, CFStringRef key, CFAllocatorRef allocator, IOOptionBits options)
+{
+       static CFTypeRef (*dyfunc)(io_registry_entry_t, CFStringRef, CFAllocatorRef, IOOptionBits) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperty", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(entry, key, allocator, options) : NULL;
+}
+
+
+__private_extern__ kern_return_t
+_IORegistryEntryCreateCFProperties(io_registry_entry_t entry, CFMutableDictionaryRef *properties, CFAllocatorRef allocator, IOOptionBits options)
+{
+       static kern_return_t (*dyfunc)(io_registry_entry_t, CFMutableDictionaryRef *, CFAllocatorRef, IOOptionBits) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryCreateCFProperties", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(entry, properties, allocator, options) : KERN_FAILURE;
+}
+
+
+__private_extern__ kern_return_t
+_IORegistryEntryGetParentEntry(io_registry_entry_t entry, const io_name_t plane, io_registry_entry_t *parent)
+{
+       static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_registry_entry_t *) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetParentEntry", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(entry, plane, parent) : NULL;
+}
+
+
+__private_extern__ kern_return_t
+_IORegistryEntryGetPath(io_registry_entry_t entry, const io_name_t plane, io_string_t path)
+{
+       static kern_return_t (*dyfunc)(io_registry_entry_t, const io_name_t, io_string_t) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IORegistryEntryGetPath", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(entry, plane, path) : KERN_FAILURE;
+}
+
+
+__private_extern__ kern_return_t
+_IOServiceGetMatchingServices(mach_port_t masterPort, CFDictionaryRef matching, io_iterator_t *existing)
+{
+       static kern_return_t (*dyfunc)(mach_port_t, CFDictionaryRef, io_iterator_t *) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceGetMatchingServices", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(masterPort, matching, existing) : KERN_FAILURE;
+}
+
+
+__private_extern__ CFMutableDictionaryRef
+_IOServiceMatching(const char *name)
+{
+       static CFMutableDictionaryRef (*dyfunc)(const char *) = NULL;
+       if (!dyfunc) {
+               void *image = __loadIOKit();
+               if (image) dyfunc = NSAddressOfSymbol(NSLookupSymbolInImage(image, "_IOServiceMatching", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND));
+       }
+       return dyfunc ? dyfunc(name) : NULL;
+}