зеркало из https://github.com/mozilla/gecko-dev.git
151 строка
3.8 KiB
C++
151 строка
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 6; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla XPCOM.
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*
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* The Initial Developer of the Original Code is
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* Benjamin Smedberg <benjamin@smedbergs.us>
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*
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsGlueLinking.h"
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#define INCL_DOS
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#define INCL_DOSERRORS
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#include <os2.h>
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#include <stdlib.h>
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struct DependentLib
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{
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HMODULE libHandle;
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DependentLib *next;
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};
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static DependentLib *sTop;
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static void
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AppendDependentLib(HMODULE libHandle)
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{
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DependentLib *d = new DependentLib;
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if (!d)
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return;
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d->next = sTop;
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d->libHandle = libHandle;
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sTop = d;
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}
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static void
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ReadDependentCB(const char *aDependentLib)
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{
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CHAR pszError[_MAX_PATH];
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ULONG ulRc = NO_ERROR;
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HMODULE h;
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ulRc = DosLoadModule(pszError, _MAX_PATH, aDependentLib, &h);
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if (ulRc != NO_ERROR)
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return;
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AppendDependentLib(h);
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}
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// like strpbrk but finds the *last* char, not the first
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static char*
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ns_strrpbrk(char *string, const char *strCharSet)
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{
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char *found = NULL;
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for (; *string; ++string) {
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for(const char *search = strCharSet; *search; ++search) {
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if (*search == *string) {
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found = string;
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}
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}
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}
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return found;
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}
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GetFrozenFunctionsFunc
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XPCOMGlueLoad(const char *xpcomFile)
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{
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if (xpcomFile[0] == '.' && xpcomFile[1] == '\0') {
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xpcomFile = XPCOM_DLL;
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}
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else {
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char xpcomDir[MAXPATHLEN];
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_fullpath(xpcomDir, xpcomFile, sizeof(xpcomDir));
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char *lastSlash = ns_strrpbrk(xpcomDir, "/\\");
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if (lastSlash) {
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*lastSlash = '\0';
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XPCOMGlueLoadDependentLibs(xpcomDir, ReadDependentCB);
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}
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}
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CHAR pszError[_MAX_PATH];
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ULONG ulRc = NO_ERROR;
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HMODULE h;
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ulRc = DosLoadModule(pszError, _MAX_PATH, xpcomFile, &h);
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if (ulRc != NO_ERROR)
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return nsnull;
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AppendDependentLib(h);
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ULONG ulrc = NO_ERROR;
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GetFrozenFunctionsFunc sym;
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ulrc = DosQueryProcAddr(h, 0, "NS_GetFrozenFunctions", (PFN*)&sym);
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if (ulrc != NO_ERROR)
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XPCOMGlueUnload();
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return sym;
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}
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void
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XPCOMGlueUnload()
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{
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while (sTop) {
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DosFreeModule(sTop->libHandle);
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DependentLib *temp = sTop;
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sTop = sTop->next;
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delete temp;
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}
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}
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