Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>

Waitmsg*
system(char *name, char **argv)
{
        char err[ERRMAX];
        Waitmsg *w;
        int pid;

        switch(pid = fork()){   /* assign = */
        case -1:
                return nil;
        case 0:
                exec(name, argv);
                errstr(err, sizeof err);
                _exits(err);
        }
        for(;;){
                w = wait();
                if(w == nil)
                        break;
                if(w->pid == pid)
                        return w;
                free(w);
        }
        return nil;
}

Waitmsg*
systeml(char *name, ...)
{
        return system(name, &name+1);
}