diff options
Diffstat (limited to '')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_memory.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_memory.cpp b/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_memory.cpp new file mode 100644 index 00000000..41d03d88 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/typelib/xpidl/macplugin/mac_memory.cpp @@ -0,0 +1,146 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: NPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Netscape Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the NPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the NPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + mac_memory.cpp + */ + +#include <new.h> +#include <stdlib.h> + +#include <Files.h> +#include <Memory.h> + +#include "DropInCompilerLinker.h" +#include "CompilerMapping.h" +#include "CWPluginErrors.h" + +extern CWPluginContext gPluginContext; + +/** + * Note: memory allocated by these operators will automatically be freed after the + * current call into xpidl_compiler completes. This should be fine in most cases, + * as we are also having the compiler be reloaded for every request to reinitialize + * global data. Just be careful out there! + */ + +const Boolean kTemporaryAllocation = false; + +void* operator new(size_t size) +{ + void* ptr = NULL; + if (CWAllocateMemory(gPluginContext, size, kTemporaryAllocation, &ptr) == cwNoErr) + return ptr; + return NULL; +} + +void operator delete(void* ptr) +{ + if (ptr != NULL) + CWFreeMemory(gPluginContext, ptr, kTemporaryAllocation); +} + +void* operator new[] (size_t size) +{ + void* ptr = NULL; + if (CWAllocateMemory(gPluginContext, size, kTemporaryAllocation, &ptr) == cwNoErr) + return ptr; + return NULL; +} + +void operator delete[](void* ptr) +{ + if (ptr != NULL) + CWFreeMemory(gPluginContext, ptr, kTemporaryAllocation); +} + +namespace std { + +#define TRACK_ALLOCATION +#define kTrackedCookie 'TRKD' + +void* malloc(size_t size) +{ +#if defined(TRACK_ALLOCATION) + OSType* ptr = (OSType*) new char[sizeof(OSType) + size]; + if (ptr != NULL) + *ptr++ = kTrackedCookie; + return ptr; +#else + return new char[size]; +#endif +} + +void free(void *ptr) +{ +#if defined(TRACK_ALLOCATION) + OSType* type = (OSType*)ptr; + if (*--type == kTrackedCookie) + delete[] (char*) type; + else + DebugStr("\pillegal block passed to free."); +#else + delete[] (char*) ptr; +#endif +} + +void* calloc(size_t nmemb, size_t size) +{ + size *= nmemb; + void* ptr = malloc(size); + if (ptr != NULL) { + BlockZero(ptr, size); + } + return ptr; +} + +void* realloc(void * ptr, size_t size) +{ + void* newptr = NULL; + + if (size > 0) + newptr = malloc(size); + + if (ptr != NULL && newptr != NULL) + BlockMoveData(ptr, newptr, size); + + if (ptr != NULL) + free(ptr); + + return newptr; +} + +} |