/* sysconf.c (emx+gcc) -- Copyright (c) 1994-1995 by Eberhard Mattes */

#include <unistd.h>
#include <limits.h>
#include <time.h>
#include <errno.h>

/* Return the POSIX.1  minimum values, for now. */

long _sysconf (int name)
{
  switch (name)
    {
    case _SC_ARG_MAX:
      return _POSIX_ARG_MAX;

    case _SC_CHILD_MAX:
      return _POSIX_CHILD_MAX;

    case _SC_CLK_TCK:
      /* On emx, CLK_TCK is a constant.  On other systems, it may a
         macro which calls sysconf (_SC_CLK_TCK). */

      return CLK_TCK;

    case _SC_NGROUPS_MAX:
      return _POSIX_NGROUPS_MAX;

    case _SC_OPEN_MAX:
      return _POSIX_OPEN_MAX;

    case _SC_STREAM_MAX:
      return _POSIX_STREAM_MAX;

    case _SC_TZNAME_MAX:
      return _POSIX_TZNAME_MAX;

    case _SC_JOB_CONTROL:
      return -1;

    case _SC_SAVED_IDS:
      return -1;

    case _SC_VERSION:
      return _POSIX_VERSION;

    default:
      errno = EINVAL;
      return -1;
    }
}