gecko/xpcom/glue/standalone/nsXPCOMGlue.cpp
Mike Hommey ffa61edd96 Bug 852950 - Kill libxpcom. r=bsmedberg
Also refactored the xpcom standalone glue to reside in a single file and
removed its use of realpath().

--HG--
rename : xpcom/stub/dependentlibs.py => toolkit/library/dependentlibs.py
rename : xpcom/stub/nsXPComStub.cpp => xpcom/build/FrozenFunctions.cpp
2013-03-20 14:56:41 +01:00

961 lines
24 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsXPCOMGlue.h"
#include "nspr.h"
#include "nsDebug.h"
#include "nsIServiceManager.h"
#include "nsXPCOMPrivate.h"
#include "nsCOMPtr.h"
#include <stdlib.h>
#include <stdio.h>
#include "mozilla/FileUtils.h"
using namespace mozilla;
#define XPCOM_DEPENDENT_LIBS_LIST "dependentlibs.list"
static XPCOMFunctions xpcomFunctions;
static bool do_preload = false;
#if defined(XP_WIN)
#define READ_TEXTMODE L"rt"
#elif defined(XP_OS2)
#define READ_TEXTMODE "rt"
#else
#define READ_TEXTMODE "r"
#endif
#if defined(SUNOS4) || defined(NEXTSTEP) || \
defined(XP_DARWIN) || defined(XP_OS2) || \
(defined(OPENBSD) || defined(NETBSD)) && !defined(__ELF__)
#define LEADING_UNDERSCORE "_"
#else
#define LEADING_UNDERSCORE
#endif
#if defined(XP_WIN)
#include <windows.h>
#include <mbstring.h>
#define snprintf _snprintf
typedef HINSTANCE LibHandleType;
static LibHandleType
GetLibHandle(pathstr_t aDependentLib)
{
LibHandleType libHandle =
LoadLibraryExW(aDependentLib, nullptr, LOAD_WITH_ALTERED_SEARCH_PATH);
if (!libHandle) {
DWORD err = GetLastError();
#ifdef DEBUG
LPVOID lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
nullptr
);
wprintf(L"Error loading %ls: %s\n", aDependentLib, lpMsgBuf);
LocalFree(lpMsgBuf);
#endif
}
return libHandle;
}
static NSFuncPtr
GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
{
return (NSFuncPtr) GetProcAddress(aLibHandle, aSymbol);
}
static void
CloseLibHandle(LibHandleType aLibHandle)
{
FreeLibrary(aLibHandle);
}
#elif defined(XP_OS2)
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2.h>
typedef HMODULE LibHandleType;
static LibHandleType
GetLibHandle(pathstr_t aDependentLib)
{
CHAR pszError[_MAX_PATH];
ULONG ulrc = NO_ERROR;
LibHandleType libHandle;
ulrc = DosLoadModule(pszError, _MAX_PATH, aDependentLib, &libHandle);
return (ulrc == NO_ERROR) ? libHandle : nullptr;
}
static NSFuncPtr
GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
{
ULONG ulrc = NO_ERROR;
GetFrozenFunctionsFunc sym;
ulrc = DosQueryProcAddr(aLibHandle, 0, aSymbol, (PFN*)&sym);
return (ulrc == NO_ERROR) ? sym : nullptr;
}
static void
CloseLibHandle(LibHandleType aLibHandle)
{
DosFreeModule(aLibHandle);
}
#elif defined(XP_MACOSX)
#include <mach-o/dyld.h>
typedef const mach_header *LibHandleType;
static LibHandleType
GetLibHandle(pathstr_t aDependentLib)
{
LibHandleType libHandle = NSAddImage(aDependentLib,
NSADDIMAGE_OPTION_RETURN_ON_ERROR |
NSADDIMAGE_OPTION_MATCH_FILENAME_BY_INSTALLNAME);
if (!libHandle) {
NSLinkEditErrors linkEditError;
int errorNum;
const char *errorString;
const char *fileName;
NSLinkEditError(&linkEditError, &errorNum, &fileName, &errorString);
fprintf(stderr, "XPCOMGlueLoad error %d:%d for file %s:\n%s\n",
linkEditError, errorNum, fileName, errorString);
}
return libHandle;
}
static NSFuncPtr
GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
{
// Try to use |NSLookupSymbolInImage| since it is faster than searching
// the global symbol table. If we couldn't get a mach_header pointer
// for the XPCOM dylib, then use |NSLookupAndBindSymbol| to search the
// global symbol table (this shouldn't normally happen, unless the user
// has called XPCOMGlueStartup(".") and relies on libxpcom.dylib
// already being loaded).
NSSymbol sym = nullptr;
if (aLibHandle) {
sym = NSLookupSymbolInImage(aLibHandle, aSymbol,
NSLOOKUPSYMBOLINIMAGE_OPTION_BIND |
NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
} else {
if (NSIsSymbolNameDefined(aSymbol))
sym = NSLookupAndBindSymbol(aSymbol);
}
if (!sym)
return nullptr;
return (NSFuncPtr) NSAddressOfSymbol(sym);
}
static void
CloseLibHandle(LibHandleType aLibHandle)
{
// we cannot unload dylibs on OS X
}
#else
#include <dlfcn.h>
#if defined(MOZ_LINKER) && !defined(ANDROID)
extern "C" {
NS_HIDDEN __typeof(dlopen) __wrap_dlopen;
NS_HIDDEN __typeof(dlsym) __wrap_dlsym;
NS_HIDDEN __typeof(dlclose) __wrap_dlclose;
}
#define dlopen __wrap_dlopen
#define dlsym __wrap_dlsym
#define dlclose __wrap_dlclose
#endif
#ifdef NS_TRACE_MALLOC
extern "C" {
NS_EXPORT_(__ptr_t) __libc_malloc(size_t);
NS_EXPORT_(__ptr_t) __libc_calloc(size_t, size_t);
NS_EXPORT_(__ptr_t) __libc_realloc(__ptr_t, size_t);
NS_EXPORT_(void) __libc_free(__ptr_t);
NS_EXPORT_(__ptr_t) __libc_memalign(size_t, size_t);
NS_EXPORT_(__ptr_t) __libc_valloc(size_t);
}
static __ptr_t (*_malloc)(size_t) = __libc_malloc;
static __ptr_t (*_calloc)(size_t, size_t) = __libc_calloc;
static __ptr_t (*_realloc)(__ptr_t, size_t) = __libc_realloc;
static void (*_free)(__ptr_t) = __libc_free;
static __ptr_t (*_memalign)(size_t, size_t) = __libc_memalign;
static __ptr_t (*_valloc)(size_t) = __libc_valloc;
NS_EXPORT_(__ptr_t) malloc(size_t size)
{
return _malloc(size);
}
NS_EXPORT_(__ptr_t) calloc(size_t nmemb, size_t size)
{
return _calloc(nmemb, size);
}
NS_EXPORT_(__ptr_t) realloc(__ptr_t ptr, size_t size)
{
return _realloc(ptr, size);
}
NS_EXPORT_(void) free(__ptr_t ptr)
{
_free(ptr);
}
NS_EXPORT_(void) cfree(__ptr_t ptr)
{
_free(ptr);
}
NS_EXPORT_(__ptr_t) memalign(size_t boundary, size_t size)
{
return _memalign(boundary, size);
}
NS_EXPORT_(int)
posix_memalign(void **memptr, size_t alignment, size_t size)
{
__ptr_t ptr = _memalign(alignment, size);
if (!ptr)
return ENOMEM;
*memptr = ptr;
return 0;
}
NS_EXPORT_(__ptr_t) valloc(size_t size)
{
return _valloc(size);
}
#endif /* NS_TRACE_MALLOC */
typedef void *LibHandleType;
static LibHandleType
GetLibHandle(pathstr_t aDependentLib)
{
LibHandleType libHandle = dlopen(aDependentLib, RTLD_GLOBAL | RTLD_LAZY);
if (!libHandle) {
fprintf(stderr, "XPCOMGlueLoad error for file %s:\n%s\n", aDependentLib, dlerror());
}
return libHandle;
}
static NSFuncPtr
GetSymbol(LibHandleType aLibHandle, const char *aSymbol)
{
return (NSFuncPtr) dlsym(aLibHandle, aSymbol);
}
static void
CloseLibHandle(LibHandleType aLibHandle)
{
dlclose(aLibHandle);
}
#endif
struct DependentLib
{
LibHandleType libHandle;
DependentLib *next;
};
static DependentLib *sTop;
static void
AppendDependentLib(LibHandleType libHandle)
{
DependentLib *d = new DependentLib;
if (!d)
return;
d->next = sTop;
d->libHandle = libHandle;
sTop = d;
}
static bool
ReadDependentCB(pathstr_t aDependentLib, bool do_preload)
{
if (do_preload) {
ReadAheadLib(aDependentLib);
}
LibHandleType libHandle = GetLibHandle(aDependentLib);
if (libHandle) {
AppendDependentLib(libHandle);
}
return libHandle;
}
#ifdef XP_WIN
static bool
ReadDependentCB(const char *aDependentLib, bool do_preload)
{
wchar_t wideDependentLib[MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, aDependentLib, -1, wideDependentLib, MAX_PATH);
return ReadDependentCB(wideDependentLib, do_preload);
}
inline FILE *TS_tfopen (const char *path, const wchar_t *mode)
{
wchar_t wPath[MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, path, -1, wPath, MAX_PATH);
return _wfopen(wPath, mode);
}
#else
inline FILE *TS_tfopen (const char *path, const char *mode)
{
return fopen(path, mode);
}
#endif
/* RAII wrapper for FILE descriptors */
struct ScopedCloseFileTraits
{
typedef FILE *type;
static type empty() { return nullptr; }
static void release(type f) {
if (f) {
fclose(f);
}
}
};
typedef Scoped<ScopedCloseFileTraits> ScopedCloseFile;
static void
XPCOMGlueUnload()
{
#if !defined(XP_WIN) && !defined(XP_OS2) && !defined(XP_MACOSX) \
&& defined(NS_TRACE_MALLOC)
if (sTop) {
_malloc = __libc_malloc;
_calloc = __libc_calloc;
_realloc = __libc_realloc;
_free = __libc_free;
_memalign = __libc_memalign;
_valloc = __libc_valloc;
}
#endif
while (sTop) {
CloseLibHandle(sTop->libHandle);
DependentLib *temp = sTop;
sTop = sTop->next;
delete temp;
}
}
#if defined(XP_WIN) || defined(XP_OS2)
// like strpbrk but finds the *last* char, not the first
static const char*
ns_strrpbrk(const char *string, const char *strCharSet)
{
const char *found = nullptr;
for (; *string; ++string) {
for (const char *search = strCharSet; *search; ++search) {
if (*search == *string) {
found = string;
// Since we're looking for the last char, we save "found"
// until we're at the end of the string.
}
}
}
return found;
}
#endif
static GetFrozenFunctionsFunc
XPCOMGlueLoad(const char *xpcomFile)
{
char xpcomDir[MAXPATHLEN];
#if defined(XP_WIN) || defined(XP_OS2)
const char *lastSlash = ns_strrpbrk(xpcomFile, "/\\");
#else
const char *lastSlash = strrchr(xpcomFile, '/');
#endif
char *cursor;
if (lastSlash) {
size_t len = size_t(lastSlash - xpcomFile);
if (len > MAXPATHLEN - sizeof(XPCOM_FILE_PATH_SEPARATOR
XPCOM_DEPENDENT_LIBS_LIST)) {
return nullptr;
}
memcpy(xpcomDir, xpcomFile, len);
strcpy(xpcomDir + len, XPCOM_FILE_PATH_SEPARATOR
XPCOM_DEPENDENT_LIBS_LIST);
cursor = xpcomDir + len + 1;
} else {
strcpy(xpcomDir, XPCOM_DEPENDENT_LIBS_LIST);
cursor = xpcomDir;
}
ScopedCloseFile flist;
flist = TS_tfopen(xpcomDir, READ_TEXTMODE);
if (!flist) {
return nullptr;
}
*cursor = '\0';
char buffer[MAXPATHLEN];
while (fgets(buffer, sizeof(buffer), flist)) {
int l = strlen(buffer);
// ignore empty lines and comments
if (l == 0 || *buffer == '#') {
continue;
}
// cut the trailing newline, if present
if (buffer[l - 1] == '\n')
buffer[l - 1] = '\0';
if (l + size_t(cursor - xpcomDir) > MAXPATHLEN) {
return nullptr;
}
strcpy(cursor, buffer);
if (!ReadDependentCB(xpcomDir, do_preload)) {
XPCOMGlueUnload();
return nullptr;
}
}
GetFrozenFunctionsFunc sym =
(GetFrozenFunctionsFunc) GetSymbol(sTop->libHandle, LEADING_UNDERSCORE "NS_GetFrozenFunctions");
if (!sym) { // No symbol found.
XPCOMGlueUnload();
return nullptr;
}
#if !defined(XP_WIN) && !defined(XP_OS2) && !defined(XP_MACOSX) \
&& defined(NS_TRACE_MALLOC)
_malloc = (__ptr_t(*)(size_t)) GetSymbol(sTop->libHandle, "malloc");
_calloc = (__ptr_t(*)(size_t, size_t)) GetSymbol(sTop->libHandle, "calloc");
_realloc = (__ptr_t(*)(__ptr_t, size_t)) GetSymbol(sTop->libHandle, "realloc");
_free = (void(*)(__ptr_t)) GetSymbol(sTop->libHandle, "free");
_memalign = (__ptr_t(*)(size_t, size_t)) GetSymbol(sTop->libHandle, "memalign");
_valloc = (__ptr_t(*)(size_t)) GetSymbol(sTop->libHandle, "valloc");
#endif
return sym;
}
nsresult
XPCOMGlueLoadXULFunctions(const nsDynamicFunctionLoad *symbols)
{
// We don't null-check sXULLibHandle because this might work even
// if it is null (same as RTLD_DEFAULT)
nsresult rv = NS_OK;
while (symbols->functionName) {
char buffer[512];
snprintf(buffer, sizeof(buffer),
LEADING_UNDERSCORE "%s", symbols->functionName);
*symbols->function = (NSFuncPtr) GetSymbol(sTop->libHandle, buffer);
if (!*symbols->function)
rv = NS_ERROR_LOSS_OF_SIGNIFICANT_DATA;
++symbols;
}
return rv;
}
void XPCOMGlueEnablePreload()
{
do_preload = true;
}
nsresult XPCOMGlueStartup(const char* xpcomFile)
{
xpcomFunctions.version = XPCOM_GLUE_VERSION;
xpcomFunctions.size = sizeof(XPCOMFunctions);
if (!xpcomFile)
xpcomFile = XPCOM_DLL;
GetFrozenFunctionsFunc func = XPCOMGlueLoad(xpcomFile);
if (!func)
return NS_ERROR_NOT_AVAILABLE;
nsresult rv = (*func)(&xpcomFunctions, nullptr);
if (NS_FAILED(rv)) {
XPCOMGlueUnload();
return rv;
}
return NS_OK;
}
XPCOM_API(nsresult)
NS_InitXPCOM2(nsIServiceManager* *result,
nsIFile* binDirectory,
nsIDirectoryServiceProvider* appFileLocationProvider)
{
if (!xpcomFunctions.init)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.init(result, binDirectory, appFileLocationProvider);
}
XPCOM_API(nsresult)
NS_ShutdownXPCOM(nsIServiceManager* servMgr)
{
if (!xpcomFunctions.shutdown)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.shutdown(servMgr);
}
XPCOM_API(nsresult)
NS_GetServiceManager(nsIServiceManager* *result)
{
if (!xpcomFunctions.getServiceManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getServiceManager(result);
}
XPCOM_API(nsresult)
NS_GetComponentManager(nsIComponentManager* *result)
{
if (!xpcomFunctions.getComponentManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getComponentManager(result);
}
XPCOM_API(nsresult)
NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
{
if (!xpcomFunctions.getComponentRegistrar)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getComponentRegistrar(result);
}
XPCOM_API(nsresult)
NS_GetMemoryManager(nsIMemory* *result)
{
if (!xpcomFunctions.getMemoryManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getMemoryManager(result);
}
XPCOM_API(nsresult)
NS_NewLocalFile(const nsAString &path, bool followLinks, nsIFile* *result)
{
if (!xpcomFunctions.newLocalFile)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.newLocalFile(path, followLinks, result);
}
XPCOM_API(nsresult)
NS_NewNativeLocalFile(const nsACString &path, bool followLinks, nsIFile* *result)
{
if (!xpcomFunctions.newNativeLocalFile)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.newNativeLocalFile(path, followLinks, result);
}
XPCOM_API(nsresult)
NS_GetDebug(nsIDebug* *result)
{
if (!xpcomFunctions.getDebug)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getDebug(result);
}
XPCOM_API(nsresult)
NS_GetTraceRefcnt(nsITraceRefcnt* *result)
{
if (!xpcomFunctions.getTraceRefcnt)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getTraceRefcnt(result);
}
XPCOM_API(nsresult)
NS_StringContainerInit(nsStringContainer &aStr)
{
if (!xpcomFunctions.stringContainerInit)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringContainerInit(aStr);
}
XPCOM_API(nsresult)
NS_StringContainerInit2(nsStringContainer &aStr,
const PRUnichar *aData,
uint32_t aDataLength,
uint32_t aFlags)
{
if (!xpcomFunctions.stringContainerInit2)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringContainerInit2(aStr, aData, aDataLength, aFlags);
}
XPCOM_API(void)
NS_StringContainerFinish(nsStringContainer &aStr)
{
if (xpcomFunctions.stringContainerFinish)
xpcomFunctions.stringContainerFinish(aStr);
}
XPCOM_API(uint32_t)
NS_StringGetData(const nsAString &aStr, const PRUnichar **aBuf, bool *aTerm)
{
if (!xpcomFunctions.stringGetData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.stringGetData(aStr, aBuf, aTerm);
}
XPCOM_API(uint32_t)
NS_StringGetMutableData(nsAString &aStr, uint32_t aLen, PRUnichar **aBuf)
{
if (!xpcomFunctions.stringGetMutableData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.stringGetMutableData(aStr, aLen, aBuf);
}
XPCOM_API(PRUnichar*)
NS_StringCloneData(const nsAString &aStr)
{
if (!xpcomFunctions.stringCloneData)
return nullptr;
return xpcomFunctions.stringCloneData(aStr);
}
XPCOM_API(nsresult)
NS_StringSetData(nsAString &aStr, const PRUnichar *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.stringSetData)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringSetData(aStr, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_StringSetDataRange(nsAString &aStr, uint32_t aCutStart, uint32_t aCutLength,
const PRUnichar *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.stringSetDataRange)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_StringCopy(nsAString &aDest, const nsAString &aSrc)
{
if (!xpcomFunctions.stringCopy)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringCopy(aDest, aSrc);
}
XPCOM_API(void)
NS_StringSetIsVoid(nsAString &aStr, const bool aIsVoid)
{
if (xpcomFunctions.stringSetIsVoid)
xpcomFunctions.stringSetIsVoid(aStr, aIsVoid);
}
XPCOM_API(bool)
NS_StringGetIsVoid(const nsAString &aStr)
{
if (!xpcomFunctions.stringGetIsVoid)
return false;
return xpcomFunctions.stringGetIsVoid(aStr);
}
XPCOM_API(nsresult)
NS_CStringContainerInit(nsCStringContainer &aStr)
{
if (!xpcomFunctions.cstringContainerInit)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringContainerInit(aStr);
}
XPCOM_API(nsresult)
NS_CStringContainerInit2(nsCStringContainer &aStr,
const char *aData,
uint32_t aDataLength,
uint32_t aFlags)
{
if (!xpcomFunctions.cstringContainerInit2)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringContainerInit2(aStr, aData, aDataLength, aFlags);
}
XPCOM_API(void)
NS_CStringContainerFinish(nsCStringContainer &aStr)
{
if (xpcomFunctions.cstringContainerFinish)
xpcomFunctions.cstringContainerFinish(aStr);
}
XPCOM_API(uint32_t)
NS_CStringGetData(const nsACString &aStr, const char **aBuf, bool *aTerm)
{
if (!xpcomFunctions.cstringGetData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.cstringGetData(aStr, aBuf, aTerm);
}
XPCOM_API(uint32_t)
NS_CStringGetMutableData(nsACString &aStr, uint32_t aLen, char **aBuf)
{
if (!xpcomFunctions.cstringGetMutableData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.cstringGetMutableData(aStr, aLen, aBuf);
}
XPCOM_API(char*)
NS_CStringCloneData(const nsACString &aStr)
{
if (!xpcomFunctions.cstringCloneData)
return nullptr;
return xpcomFunctions.cstringCloneData(aStr);
}
XPCOM_API(nsresult)
NS_CStringSetData(nsACString &aStr, const char *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.cstringSetData)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringSetData(aStr, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_CStringSetDataRange(nsACString &aStr, uint32_t aCutStart, uint32_t aCutLength,
const char *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.cstringSetDataRange)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_CStringCopy(nsACString &aDest, const nsACString &aSrc)
{
if (!xpcomFunctions.cstringCopy)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringCopy(aDest, aSrc);
}
XPCOM_API(void)
NS_CStringSetIsVoid(nsACString &aStr, const bool aIsVoid)
{
if (xpcomFunctions.cstringSetIsVoid)
xpcomFunctions.cstringSetIsVoid(aStr, aIsVoid);
}
XPCOM_API(bool)
NS_CStringGetIsVoid(const nsACString &aStr)
{
if (!xpcomFunctions.cstringGetIsVoid)
return false;
return xpcomFunctions.cstringGetIsVoid(aStr);
}
XPCOM_API(nsresult)
NS_CStringToUTF16(const nsACString &aSrc, nsCStringEncoding aSrcEncoding, nsAString &aDest)
{
if (!xpcomFunctions.cstringToUTF16)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringToUTF16(aSrc, aSrcEncoding, aDest);
}
XPCOM_API(nsresult)
NS_UTF16ToCString(const nsAString &aSrc, nsCStringEncoding aDestEncoding, nsACString &aDest)
{
if (!xpcomFunctions.utf16ToCString)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.utf16ToCString(aSrc, aDestEncoding, aDest);
}
XPCOM_API(void*)
NS_Alloc(size_t size)
{
if (!xpcomFunctions.allocFunc)
return nullptr;
return xpcomFunctions.allocFunc(size);
}
XPCOM_API(void*)
NS_Realloc(void* ptr, size_t size)
{
if (!xpcomFunctions.reallocFunc)
return nullptr;
return xpcomFunctions.reallocFunc(ptr, size);
}
XPCOM_API(void)
NS_Free(void* ptr)
{
if (xpcomFunctions.freeFunc)
xpcomFunctions.freeFunc(ptr);
}
XPCOM_API(void)
NS_DebugBreak(uint32_t aSeverity, const char *aStr, const char *aExpr,
const char *aFile, int32_t aLine)
{
if (xpcomFunctions.debugBreakFunc)
xpcomFunctions.debugBreakFunc(aSeverity, aStr, aExpr, aFile, aLine);
}
XPCOM_API(void)
NS_LogInit()
{
if (xpcomFunctions.logInitFunc)
xpcomFunctions.logInitFunc();
}
XPCOM_API(void)
NS_LogTerm()
{
if (xpcomFunctions.logTermFunc)
xpcomFunctions.logTermFunc();
}
XPCOM_API(void)
NS_LogAddRef(void *aPtr, nsrefcnt aNewRefCnt,
const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logAddRefFunc)
xpcomFunctions.logAddRefFunc(aPtr, aNewRefCnt,
aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogRelease(void *aPtr, nsrefcnt aNewRefCnt, const char *aTypeName)
{
if (xpcomFunctions.logReleaseFunc)
xpcomFunctions.logReleaseFunc(aPtr, aNewRefCnt, aTypeName);
}
XPCOM_API(void)
NS_LogCtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logCtorFunc)
xpcomFunctions.logCtorFunc(aPtr, aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogDtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logDtorFunc)
xpcomFunctions.logDtorFunc(aPtr, aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogCOMPtrAddRef(void *aCOMPtr, nsISupports *aObject)
{
if (xpcomFunctions.logCOMPtrAddRefFunc)
xpcomFunctions.logCOMPtrAddRefFunc(aCOMPtr, aObject);
}
XPCOM_API(void)
NS_LogCOMPtrRelease(void *aCOMPtr, nsISupports *aObject)
{
if (xpcomFunctions.logCOMPtrReleaseFunc)
xpcomFunctions.logCOMPtrReleaseFunc(aCOMPtr, aObject);
}
XPCOM_API(nsresult)
NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,
nsISomeInterface* *aStub)
{
if (!xpcomFunctions.getXPTCallStubFunc)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getXPTCallStubFunc(aIID, aOuter, aStub);
}
XPCOM_API(void)
NS_DestroyXPTCallStub(nsISomeInterface* aStub)
{
if (xpcomFunctions.destroyXPTCallStubFunc)
xpcomFunctions.destroyXPTCallStubFunc(aStub);
}
XPCOM_API(nsresult)
NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
uint32_t paramCount, nsXPTCVariant* params)
{
if (!xpcomFunctions.invokeByIndexFunc)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.invokeByIndexFunc(that, methodIndex,
paramCount, params);
}
XPCOM_API(bool)
NS_CycleCollectorSuspect(nsISupports* obj)
{
if (!xpcomFunctions.cycleSuspectFunc)
return false;
return xpcomFunctions.cycleSuspectFunc(obj);
}
XPCOM_API(bool)
NS_CycleCollectorForget(nsISupports* obj)
{
if (!xpcomFunctions.cycleForgetFunc)
return false;
return xpcomFunctions.cycleForgetFunc(obj);
}
XPCOM_API(nsPurpleBufferEntry*)
NS_CycleCollectorSuspect2(void* obj, nsCycleCollectionParticipant *p)
{
if (!xpcomFunctions.cycleSuspect2Func)
return nullptr;
return xpcomFunctions.cycleSuspect2Func(obj, p);
}
XPCOM_API(bool)
NS_CycleCollectorForget2(nsPurpleBufferEntry* e)
{
if (!xpcomFunctions.cycleForget2Func)
return false;
return xpcomFunctions.cycleForget2Func(e);
}