mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-26 02:02:33 +00:00
490 lines
12 KiB
C++
490 lines
12 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsXPCOMGlue.h"
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#include "nsINIParser.h"
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#include "prtypes.h"
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#include "nsXPCOMPrivate.h" // for XP MAXPATHLEN
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#include "nsMemory.h" // for NS_ARRAY_LENGTH
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#include "nsXULAppAPI.h"
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#include "nsIFile.h"
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#include <stdarg.h>
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#ifdef XP_WIN
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#include <windows.h>
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#include <io.h>
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#define snprintf _snprintf
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#define vsnprintf _vsnprintf
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#define strcasecmp _stricmp
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#define PATH_SEPARATOR_CHAR '\\'
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#define R_OK 04
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#elif defined(XP_MACOSX)
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#include <unistd.h>
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#include <sys/stat.h>
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#include <CoreFoundation/CoreFoundation.h>
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#define PATH_SEPARATOR_CHAR '/'
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#elif defined (XP_OS2)
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#define INCL_DOS
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#define INCL_DOSMISC
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#define INCL_DOSERRORS
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#include <os2.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#define PATH_SEPARATOR_CHAR '\\'
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#else
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#define PATH_SEPARATOR_CHAR '/'
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#endif
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#ifdef XP_WIN
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#define XRE_DONT_PROTECT_DLL_LOAD
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#include "nsWindowsWMain.cpp"
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#endif
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#define VERSION_MAXLEN 128
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static void Output(bool isError, const char *fmt, ... )
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{
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va_list ap;
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va_start(ap, fmt);
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#if (defined(XP_WIN) && !MOZ_WINCONSOLE)
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char msg[2048];
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vsnprintf(msg, sizeof(msg), fmt, ap);
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UINT flags = MB_OK;
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if (isError)
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flags |= MB_ICONERROR;
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else
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flags |= MB_ICONINFORMATION;
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wchar_t wide_msg[1024];
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MultiByteToWideChar(CP_ACP,
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0,
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msg,
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-1,
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wide_msg,
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sizeof(wide_msg) / sizeof(wchar_t));
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MessageBoxW(NULL, wide_msg, L"XULRunner", flags);
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#else
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vfprintf(stderr, fmt, ap);
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#endif
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va_end(ap);
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}
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/**
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* Return true if |arg| matches the given argument name.
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*/
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static bool IsArg(const char* arg, const char* s)
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{
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if (*arg == '-')
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{
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if (*++arg == '-')
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++arg;
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return !strcasecmp(arg, s);
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}
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#if defined(XP_WIN) || defined(XP_OS2)
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if (*arg == '/')
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return !strcasecmp(++arg, s);
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#endif
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return false;
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}
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/**
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* Return true if |aDir| is a valid file/directory.
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*/
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static bool FolderExists(const char* aDir)
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{
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#ifdef XP_WIN
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wchar_t wideDir[MAX_PATH];
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MultiByteToWideChar(CP_UTF8, 0, aDir, -1, wideDir, MAX_PATH);
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DWORD fileAttrs = GetFileAttributesW(wideDir);
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return fileAttrs != INVALID_FILE_ATTRIBUTES;
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#else
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return access(aDir, R_OK) == 0;
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#endif
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}
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static nsresult GetRealPath(const char* appDataFile, char* *aResult)
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{
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#ifdef XP_WIN
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wchar_t wAppDataFile[MAX_PATH];
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wchar_t wIniPath[MAX_PATH];
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MultiByteToWideChar(CP_UTF8, 0, appDataFile, -1, wAppDataFile, MAX_PATH);
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_wfullpath(wIniPath, wAppDataFile, MAX_PATH);
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WideCharToMultiByte(CP_UTF8, 0, wIniPath, -1, *aResult, MAX_PATH, 0, 0);
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#else
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struct stat fileStat;
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if (!realpath(appDataFile, *aResult) || stat(*aResult, &fileStat))
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return NS_ERROR_FAILURE;
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#endif
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if (!*aResult || !**aResult)
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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class AutoAppData
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{
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public:
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AutoAppData(nsIFile* aINIFile) : mAppData(nullptr) {
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nsresult rv = XRE_CreateAppData(aINIFile, &mAppData);
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if (NS_FAILED(rv))
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mAppData = nullptr;
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}
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~AutoAppData() {
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if (mAppData)
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XRE_FreeAppData(mAppData);
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}
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operator nsXREAppData*() const { return mAppData; }
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nsXREAppData* operator -> () const { return mAppData; }
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private:
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nsXREAppData* mAppData;
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};
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XRE_CreateAppDataType XRE_CreateAppData;
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XRE_FreeAppDataType XRE_FreeAppData;
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XRE_mainType XRE_main;
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int
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main(int argc, char **argv)
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{
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nsresult rv;
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char *lastSlash;
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char iniPath[MAXPATHLEN];
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char tmpPath[MAXPATHLEN];
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char greDir[MAXPATHLEN];
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bool greFound = false;
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#if defined(XP_MACOSX)
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CFBundleRef appBundle = CFBundleGetMainBundle();
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if (!appBundle)
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return 1;
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CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(appBundle);
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if (!resourcesURL)
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return 1;
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CFURLRef absResourcesURL = CFURLCopyAbsoluteURL(resourcesURL);
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CFRelease(resourcesURL);
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if (!absResourcesURL)
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return 1;
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CFURLRef iniFileURL =
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CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
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absResourcesURL,
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CFSTR("application.ini"),
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false);
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CFRelease(absResourcesURL);
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if (!iniFileURL)
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return 1;
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CFStringRef iniPathStr =
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CFURLCopyFileSystemPath(iniFileURL, kCFURLPOSIXPathStyle);
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CFRelease(iniFileURL);
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if (!iniPathStr)
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return 1;
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CFStringGetCString(iniPathStr, iniPath, sizeof(iniPath),
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kCFStringEncodingUTF8);
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CFRelease(iniPathStr);
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#else
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#ifdef XP_WIN
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wchar_t wide_path[MAX_PATH];
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if (!::GetModuleFileNameW(NULL, wide_path, MAX_PATH))
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return 1;
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WideCharToMultiByte(CP_UTF8, 0, wide_path,-1,
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iniPath, MAX_PATH, NULL, NULL);
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#elif defined(XP_OS2)
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PPIB ppib;
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PTIB ptib;
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DosGetInfoBlocks(&ptib, &ppib);
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DosQueryModuleName(ppib->pib_hmte, sizeof(iniPath), iniPath);
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#else
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// on unix, there is no official way to get the path of the current binary.
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// instead of using the MOZILLA_FIVE_HOME hack, which doesn't scale to
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// multiple applications, we will try a series of techniques:
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//
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// 1) use realpath() on argv[0], which works unless we're loaded from the
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// PATH
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// 2) manually walk through the PATH and look for ourself
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// 3) give up
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struct stat fileStat;
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strncpy(tmpPath, argv[0], sizeof(tmpPath));
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lastSlash = strrchr(tmpPath, '/');
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if (lastSlash) {
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*lastSlash = 0;
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realpath(tmpPath, iniPath);
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} else {
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const char *path = getenv("PATH");
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if (!path)
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return 1;
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char *pathdup = strdup(path);
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if (!pathdup)
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return 1;
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bool found = false;
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char *token = strtok(pathdup, ":");
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while (token) {
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sprintf(tmpPath, "%s/%s", token, argv[0]);
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if (stat(tmpPath, &fileStat) == 0) {
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found = true;
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lastSlash = strrchr(tmpPath, '/');
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*lastSlash = 0;
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realpath(tmpPath, iniPath);
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break;
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}
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token = strtok(NULL, ":");
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}
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free (pathdup);
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if (!found)
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return 1;
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}
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lastSlash = iniPath + strlen(iniPath);
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*lastSlash = '/';
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#endif
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#ifndef XP_UNIX
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lastSlash = strrchr(iniPath, PATH_SEPARATOR_CHAR);
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if (!lastSlash)
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return 1;
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#endif
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*(++lastSlash) = '\0';
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// On Linux/Win, look for XULRunner in appdir/xulrunner
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snprintf(greDir, sizeof(greDir),
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"%sxulrunner" XPCOM_FILE_PATH_SEPARATOR XPCOM_DLL,
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iniPath);
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greFound = FolderExists(greDir);
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#ifdef XP_UNIX
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if (greFound) {
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char resolved_greDir[MAXPATHLEN] = "";
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if (realpath(greDir, resolved_greDir) && *resolved_greDir) {
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strncpy(greDir, resolved_greDir, MAXPATHLEN);
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}
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}
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#endif
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strncpy(lastSlash, "application.ini", sizeof(iniPath) - (lastSlash - iniPath));
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#endif
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// If -app parameter was passed in, it is now time to take it under
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// consideration.
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const char *appDataFile;
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appDataFile = getenv("XUL_APP_FILE");
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if (!appDataFile || !*appDataFile)
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if (argc > 1 && IsArg(argv[1], "app")) {
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if (argc == 2) {
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Output(false, "specify APP-FILE (optional)\n");
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return 1;
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}
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argv[1] = argv[0];
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++argv;
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--argc;
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appDataFile = argv[1];
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argv[1] = argv[0];
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++argv;
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--argc;
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char kAppEnv[MAXPATHLEN];
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snprintf(kAppEnv, MAXPATHLEN, "XUL_APP_FILE=%s", appDataFile);
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if (putenv(kAppEnv))
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Output(false, "Couldn't set %s.\n", kAppEnv);
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char *result = (char*) calloc(sizeof(char), MAXPATHLEN);
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if (NS_FAILED(GetRealPath(appDataFile, &result))) {
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Output(true, "Invalid application.ini path.\n");
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return 1;
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}
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// We have a valid application.ini path passed in to the -app parameter
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// but not yet a valid greDir, so lets look for it also on the same folder
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// as the stub.
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if (!greFound) {
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lastSlash = strrchr(iniPath, PATH_SEPARATOR_CHAR);
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if (!lastSlash)
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return 1;
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*(++lastSlash) = '\0';
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snprintf(greDir, sizeof(greDir), "%s" XPCOM_DLL, iniPath);
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greFound = FolderExists(greDir);
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}
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// copy it back.
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strcpy(iniPath, result);
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}
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nsINIParser parser;
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rv = parser.Init(iniPath);
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if (NS_FAILED(rv)) {
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fprintf(stderr, "Could not read application.ini\n");
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return 1;
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}
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if (!greFound) {
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#ifdef XP_MACOSX
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// Check for <bundle>/Contents/Frameworks/XUL.framework/libxpcom.dylib
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CFURLRef fwurl = CFBundleCopyPrivateFrameworksURL(appBundle);
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CFURLRef absfwurl = nullptr;
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if (fwurl) {
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absfwurl = CFURLCopyAbsoluteURL(fwurl);
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CFRelease(fwurl);
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}
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if (absfwurl) {
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CFURLRef xulurl =
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CFURLCreateCopyAppendingPathComponent(NULL, absfwurl,
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CFSTR("XUL.framework"),
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true);
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if (xulurl) {
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CFURLRef xpcomurl =
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CFURLCreateCopyAppendingPathComponent(NULL, xulurl,
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CFSTR("libxpcom.dylib"),
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false);
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if (xpcomurl) {
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char tbuffer[MAXPATHLEN];
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if (CFURLGetFileSystemRepresentation(xpcomurl, true,
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(UInt8*) tbuffer,
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sizeof(tbuffer)) &&
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access(tbuffer, R_OK | X_OK) == 0) {
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if (realpath(tbuffer, greDir)) {
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greFound = true;
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}
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else {
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greDir[0] = '\0';
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}
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}
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CFRelease(xpcomurl);
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}
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CFRelease(xulurl);
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}
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CFRelease(absfwurl);
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}
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#endif
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if (!greFound) {
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Output(false, "Could not find the Mozilla runtime.\n");
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return 1;
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}
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}
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#ifdef XP_OS2
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// On OS/2 we need to set BEGINLIBPATH to be able to find XULRunner DLLs
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strcpy(tmpPath, greDir);
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lastSlash = strrchr(tmpPath, PATH_SEPARATOR_CHAR);
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if (lastSlash) {
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*lastSlash = '\0';
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}
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DosSetExtLIBPATH(tmpPath, BEGIN_LIBPATH);
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#endif
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rv = XPCOMGlueStartup(greDir);
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if (NS_FAILED(rv)) {
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if (rv == NS_ERROR_OUT_OF_MEMORY) {
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char applicationName[2000] = "this application";
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parser.GetString("App", "Name", applicationName, sizeof(applicationName));
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Output(true, "Not enough memory available to start %s.\n",
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applicationName);
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} else {
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Output(true, "Couldn't load XPCOM.\n");
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}
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return 1;
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}
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static const nsDynamicFunctionLoad kXULFuncs[] = {
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{ "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
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{ "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
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{ "XRE_main", (NSFuncPtr*) &XRE_main },
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{ nullptr, nullptr }
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};
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rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
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if (NS_FAILED(rv)) {
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Output(true, "Couldn't load XRE functions.\n");
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return 1;
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}
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NS_LogInit();
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int retval;
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{ // Scope COMPtr and AutoAppData
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nsCOMPtr<nsIFile> iniFile;
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#ifdef XP_WIN
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// On Windows iniPath is UTF-8 encoded so we need to convert it.
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rv = NS_NewLocalFile(NS_ConvertUTF8toUTF16(iniPath), false,
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getter_AddRefs(iniFile));
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#else
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rv = NS_NewNativeLocalFile(nsDependentCString(iniPath), false,
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getter_AddRefs(iniFile));
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#endif
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if (NS_FAILED(rv)) {
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Output(true, "Couldn't find application.ini file.\n");
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return 1;
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}
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AutoAppData appData(iniFile);
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if (!appData) {
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Output(true, "Error: couldn't parse application.ini.\n");
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return 1;
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}
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NS_ASSERTION(appData->directory, "Failed to get app directory.");
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if (!appData->xreDirectory) {
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// chop "libxul.so" off the GRE path
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lastSlash = strrchr(greDir, PATH_SEPARATOR_CHAR);
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if (lastSlash) {
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*lastSlash = '\0';
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}
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#ifdef XP_WIN
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// same as iniPath.
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NS_NewLocalFile(NS_ConvertUTF8toUTF16(greDir), false,
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&appData->xreDirectory);
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#else
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NS_NewNativeLocalFile(nsDependentCString(greDir), false,
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&appData->xreDirectory);
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#endif
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}
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retval = XRE_main(argc, argv, appData, 0);
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}
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NS_LogTerm();
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return retval;
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}
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