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/*
* conredir, a hack to get working console IO with Windows GUI applications
*
* Copyright (c) 2013, Martin Herkt
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <windows.h>
void cr_perror(const wchar_t *prefix)
{
wchar_t *error;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&error, 0, NULL);
fwprintf(stderr, L"%s: %s", prefix, error);
LocalFree(error);
}
int cr_runproc(wchar_t *name, wchar_t *cmdline)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
DWORD retval = 1;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
si.dwFlags |= STARTF_USESTDHANDLES;
ZeroMemory(&pi, sizeof(pi));
if (!CreateProcessW(name, cmdline, NULL, NULL, TRUE, 0,
NULL, NULL, &si, &pi)) {
cr_perror(L"CreateProcess");
} else {
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &retval);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
return (int)retval;
}
int wmain(int argc, wchar_t **argv, wchar_t **envp)
{
wchar_t *cmd;
wchar_t exe[MAX_PATH];
cmd = GetCommandLineW();
GetModuleFileNameW(NULL, exe, MAX_PATH);
wcscpy(wcsrchr(exe, '.') + 1, L"exe");
return cr_runproc(exe, cmd);
}
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