#include <stdlib.h>
#include <stdarg.h>
#include "etc.h"

/*
	Execute une commande via system() en formattant comme printf.
	Retourne -1 si erreur.
*/
export int system_f (const char *ctl, ...)
{
	char buf[1000];
	va_list list;
	va_start (list,ctl);
	vsprintf (buf,ctl,list);
	va_end (list);
	return system (buf);
}