#include "fork.h"

#include "strerr.h"

#include "error.h"

#include "wait.h"

#include "sig.h"

#include "exit.h"

#define FATAL "bouncesaying: fatal: "

void main(argc,argv)

int argc;

char **argv;

{

  int pid;

  int wstat;

  if (!argv[1])

    strerr_die1x(100,"bouncesaying: usage: bouncesaying error [ program [ arg ... ] ]");

  if (argv[2]) {

    pid = fork();

    if (pid == -1)

      strerr_die2sys(111,FATAL,"unable to fork: ");

    if (pid == 0) {

      execvp(argv[2],argv + 2);

      if (error_temp(errno)) _exit(111);

      _exit(100);

    }

    if (wait_pid(&wstat,pid) == -1)

      strerr_die2x(111,FATAL,"wait failed");

    if (wait_crashed(wstat))

      strerr_die2x(111,FATAL,"child crashed");

    switch(wait_exitcode(wstat)) {

      case 0: break;

      case 111: strerr_die2x(111,FATAL,"temporary child error");

      default: _exit(0);

    }

  }

  strerr_die1x(100,argv[1]);

}