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main.cpp
61 lines (56 loc) · 1.67 KB
/
main.cpp
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#include <Windows.h>
__forceinline void ZeroMem(void* buf, size_t sz)
{
for (size_t i = 0; i < sz; ++i)
((BYTE*)buf)[i] = 0;
}
int wWinMainCRTStartup()
{
LPWSTR CmdLine = GetCommandLine();
// Remove the main executable from command line
bool InsideQuotes = false;
while ((*CmdLine > L' ') || (*CmdLine && InsideQuotes))
{
// Flip the InsideQuotes if current character is a double quote
if (*CmdLine == L'"')
InsideQuotes = !InsideQuotes;
++CmdLine;
}
// Skip past any white space preceeding the second token.
while (*CmdLine && (*CmdLine <= L' '))
++CmdLine;
PROCESS_INFORMATION pi;
STARTUPINFO si;
ZeroMem(&pi, sizeof(pi));
ZeroMem(&si, sizeof(si));
if (CreateProcess(NULL, CmdLine, NULL, NULL, FALSE, CREATE_UNICODE_ENVIRONMENT | CREATE_NO_WINDOW, NULL, NULL, &si, &pi) == 0)
{
DWORD err = GetLastError();
const LPCWSTR MsgPrefix = L"Failed to run command:\n";
LPWSTR MsgError;
LPWSTR MsgResult;
size_t MsgPrefixLen = lstrlenW(MsgPrefix);
size_t MsgErrorLen = FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
(LPWSTR)&MsgError,
0,
NULL
);
size_t BufSize = (MsgPrefixLen + MsgErrorLen + 1) * sizeof(WCHAR);
MsgResult = (LPWSTR)LocalAlloc(LMEM_ZEROINIT, BufSize);
lstrcpyW(MsgResult, MsgPrefix);
lstrcpyW(MsgResult + MsgPrefixLen, MsgError);
MessageBox(NULL, MsgResult, L"Console Hider", MB_ICONERROR | MB_OK);
LocalFree(MsgResult);
LocalFree(MsgError);
ExitProcess(1);
}
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
ExitProcess(0);
}