#include <unistd.h>

#include "exit.h"
#include "logmsg.h"
#include "wait.h"

#define WHO "bouncesaying"

int main(int argc, char **argv)
{
  (void)argc;
  int pid;
  int wstat;

  if (!argv[1]) logmsg(WHO, 100, USAGE, "bouncesaying error [ program [ arg ... ] ]");

  if (argv[2]) {
    pid = fork();
    if (pid == -1) logmsg(WHO, 111, FATAL, "unable to fork: ");
    if (pid == 0) {
      execvp(argv[2], argv + 2);
      if (errno) _exit(111);
      _exit(100);
    }
    if (wait_pid(&wstat, pid) == -1) logmsg(WHO, 111, FATAL, "wait failed");
    if (wait_crashed(wstat)) logmsg(WHO, 111, FATAL, "child crashed");
    switch (wait_exitcode(wstat)) {
      case 0:   break;
      case 111: logmsg(WHO, 111, FATAL, "temporary child error");
      default:  _exit(0);
    }
  }

  logmsg(WHO, 100, LOG, argv[1]);
}