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/* 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/. */
// This file is a .cpp file meant to be included in nsBrowserApp.cpp and other
// similar bootstrap code. It converts wide-character windows wmain into UTF-8
// narrow-character strings.
#ifndef XP_WIN
#error This file only makes sense on Windows.
#endif
#include "nsUTF8Utils.h"
#include <intrin.h>
#include <math.h>
#ifndef XRE_DONT_PROTECT_DLL_LOAD
#include "nsSetDllDirectory.h"
#endif
#if defined(__GNUC__)
#define XRE_DONT_SUPPORT_XPSP2
#endif
#ifdef __MINGW32__
/* MingW currently does not implement a wide version of the
startup routines. Workaround is to implement something like
it ourselves. See bug 411826 */
#include <shellapi.h>
int wmain(int argc, WCHAR **argv);
int main(int argc, char **argv)
{
LPWSTR commandLine = GetCommandLineW();
int argcw = 0;
LPWSTR *argvw = CommandLineToArgvW(commandLine, &argcw);
if (!argvw)
return 127;
int result = wmain(argcw, argvw);
LocalFree(argvw);
return result;
}
#endif /* __MINGW32__ */
#define main NS_internal_main
#ifndef XRE_WANT_ENVIRON
int main(int argc, char **argv);
#else
int main(int argc, char **argv, char **envp);
#endif
static char*
AllocConvertUTF16toUTF8(char16ptr_t arg)
{
// be generous... UTF16 units can expand up to 3 UTF8 units
int len = wcslen(arg);
char *s = new char[len * 3 + 1];
if (!s)
return nullptr;
ConvertUTF16toUTF8 convert(s);
convert.write(arg, len);
convert.write_terminator();
return s;
}
static void
FreeAllocStrings(int argc, char **argv)
{
while (argc) {
--argc;
delete [] argv[argc];
}
delete [] argv;
}
int wmain(int argc, WCHAR **argv)
{
#ifndef XRE_DONT_PROTECT_DLL_LOAD
mozilla::SanitizeEnvironmentVariables();
SetDllDirectoryW(L"");
#endif
char **argvConverted = new char*[argc + 1];
if (!argvConverted)
return 127;
for (int i = 0; i < argc; ++i) {
argvConverted[i] = AllocConvertUTF16toUTF8(argv[i]);
if (!argvConverted[i]) {
return 127;
}
}
argvConverted[argc] = nullptr;
// need to save argvConverted copy for later deletion.
char **deleteUs = new char*[argc+1];
if (!deleteUs) {
FreeAllocStrings(argc, argvConverted);
return 127;
}
for (int i = 0; i < argc; i++)
deleteUs[i] = argvConverted[i];
#ifndef XRE_WANT_ENVIRON
int result = main(argc, argvConverted);
#else
// Force creation of the multibyte _environ variable.
getenv("PATH");
int result = main(argc, argvConverted, _environ);
#endif
delete[] argvConverted;
FreeAllocStrings(argc, deleteUs);
return result;
}
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