mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
157 lines
3.4 KiB
C++
157 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 6; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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 "nsGlueLinking.h"
|
|
#include "nsXPCOMGlue.h"
|
|
|
|
#define INCL_DOS
|
|
#define INCL_DOSERRORS
|
|
#include <os2.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
struct DependentLib
|
|
{
|
|
HMODULE libHandle;
|
|
DependentLib *next;
|
|
};
|
|
|
|
static DependentLib *sTop;
|
|
HMODULE sXULLibrary = NULLHANDLE;
|
|
|
|
static void
|
|
AppendDependentLib(HMODULE libHandle)
|
|
{
|
|
DependentLib *d = new DependentLib;
|
|
if (!d)
|
|
return;
|
|
|
|
d->next = sTop;
|
|
d->libHandle = libHandle;
|
|
|
|
sTop = d;
|
|
}
|
|
|
|
static void
|
|
ReadDependentCB(const char *aDependentLib, bool do_preload)
|
|
{
|
|
CHAR pszError[_MAX_PATH];
|
|
ULONG ulrc = NO_ERROR;
|
|
HMODULE h;
|
|
|
|
ulrc = DosLoadModule(pszError, _MAX_PATH, aDependentLib, &h);
|
|
|
|
if (ulrc != NO_ERROR)
|
|
return;
|
|
|
|
AppendDependentLib(h);
|
|
}
|
|
|
|
// like strpbrk but finds the *last* char, not the first
|
|
static char*
|
|
ns_strrpbrk(char *string, const char *strCharSet)
|
|
{
|
|
char *found = NULL;
|
|
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;
|
|
}
|
|
|
|
nsresult
|
|
XPCOMGlueLoad(const char *xpcomFile, GetFrozenFunctionsFunc *func)
|
|
{
|
|
CHAR pszError[_MAX_PATH];
|
|
ULONG ulrc = NO_ERROR;
|
|
HMODULE h;
|
|
|
|
if (xpcomFile[0] == '.' && xpcomFile[1] == '\0') {
|
|
xpcomFile = XPCOM_DLL;
|
|
}
|
|
else {
|
|
char xpcomDir[MAXPATHLEN];
|
|
|
|
_fullpath(xpcomDir, xpcomFile, sizeof(xpcomDir));
|
|
char *lastSlash = ns_strrpbrk(xpcomDir, "/\\");
|
|
if (lastSlash) {
|
|
*lastSlash = '\0';
|
|
|
|
XPCOMGlueLoadDependentLibs(xpcomDir, ReadDependentCB);
|
|
|
|
snprintf(lastSlash, MAXPATHLEN - strlen(xpcomDir), "\\" XUL_DLL);
|
|
|
|
DosLoadModule(pszError, _MAX_PATH, xpcomDir, &sXULLibrary);
|
|
}
|
|
}
|
|
|
|
ulrc = DosLoadModule(pszError, _MAX_PATH, xpcomFile, &h);
|
|
|
|
if (ulrc != NO_ERROR)
|
|
return nullptr;
|
|
|
|
AppendDependentLib(h);
|
|
|
|
GetFrozenFunctionsFunc sym;
|
|
|
|
ulrc = DosQueryProcAddr(h, 0, "_NS_GetFrozenFunctions", (PFN*)&sym);
|
|
|
|
if (ulrc != NO_ERROR) {
|
|
XPCOMGlueUnload();
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
*func = sym;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
XPCOMGlueUnload()
|
|
{
|
|
while (sTop) {
|
|
DosFreeModule(sTop->libHandle);
|
|
|
|
DependentLib *temp = sTop;
|
|
sTop = sTop->next;
|
|
|
|
delete temp;
|
|
}
|
|
|
|
if (sXULLibrary) {
|
|
DosFreeModule(sXULLibrary);
|
|
sXULLibrary = nullptr;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
XPCOMGlueLoadXULFunctions(const nsDynamicFunctionLoad *symbols)
|
|
{
|
|
ULONG ulrc = NO_ERROR;
|
|
|
|
if (!sXULLibrary)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
nsresult rv = NS_OK;
|
|
while (symbols->functionName) {
|
|
char buffer[512];
|
|
snprintf(buffer, sizeof(buffer), "_%s", symbols->functionName);
|
|
ulrc = DosQueryProcAddr(sXULLibrary, 0, buffer, (PFN*)symbols->function);
|
|
|
|
if (ulrc != NO_ERROR)
|
|
rv = NS_ERROR_LOSS_OF_SIGNIFICANT_DATA;
|
|
|
|
++symbols;
|
|
}
|
|
|
|
return rv;
|
|
}
|