system.c

#include <errno.h>
#include <signal.h>
#include <limits.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
//#include <sys/wait.h>
//#include <bits/libc-lock.h>
//#include <sysdep-cancel.h>
#include <windows.h>

#define	SHELL_PATH	L"/Windows/command.exe"	/* Path of the shell.  */
//#define	SHELL_NAME	L"command.exe"		/* Name to give it.  */

/* Execute LINE as a shell command, returning its status.  */
static int do_system (const char *line)
{
	unsigned long int result;
	//pid_t pid;
	//struct sigaction sa;

	PROCESS_INFORMATION pi;
	wchar_t wline[PATH_MAX];
	mbstowcs(wline, line, PATH_MAX);

	/* Child side. */
	wchar_t args[PATH_MAX];
	//wcscpy(args, SHELL_NAME);
	wcscpy(args, L"/c ");
	wcscat(args, wline);

	if(!CreateProcessW(SHELL_PATH, args, NULL, NULL, 0, 0, NULL, NULL, NULL, &pi)) return 0;
	WaitForSingleObject(pi.hProcess, INFINITE);
	GetExitCodeProcess(pi.hProcess, &result);
	CloseHandle(pi.hProcess);
	CloseHandle(pi.hThread);
	return result;
}

int system (const char *line)
{
	if (line == NULL) return do_system ("exit") == 0;
	return do_system (line);
}