#include "substdio.h"

#include "subfd.h"

#include "fmt.h"

#include "select.h"

#include "exit.h"

#include "auto_spawn.h"

char num[FMT_ULONG];

fd_set fds;

void main()

{

  unsigned long hiddenlimit;

  unsigned long maxnumd;

  hiddenlimit = sizeof(fds) * 8;

  maxnumd = (hiddenlimit - 5) / 2;

  if (auto_spawn < 1) {

    substdio_puts(subfderr,"Oops. You have set conf-spawn lower than 1.\n");

    substdio_flush(subfderr);

    _exit(1);

  }

  if (auto_spawn > 255) {

    substdio_puts(subfderr,"Oops. You have set conf-spawn higher than 255.\n");

    substdio_flush(subfderr);

    _exit(1);

  }

  if (auto_spawn > maxnumd) {

    substdio_puts(subfderr,"Oops. Your system's FD_SET() has a hidden limit of ");

    substdio_put(subfderr,num,fmt_ulong(num,hiddenlimit));

    substdio_puts(subfderr," descriptors.\n\

This means that the qmail daemons could crash if you set the run-time\n\

concurrency higher than ");

    substdio_put(subfderr,num,fmt_ulong(num,maxnumd));

    substdio_puts(subfderr,". So I'm going to insist that the concurrency\n\

limit in conf-spawn be at most ");

    substdio_put(subfderr,num,fmt_ulong(num,maxnumd));

    substdio_puts(subfderr,". Right now it's ");

    substdio_put(subfderr,num,fmt_ulong(num,(unsigned long) auto_spawn));

    substdio_puts(subfderr,".\n");

    substdio_flush(subfderr);

    _exit(1);

  }

  _exit(0);

}