/* Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <limits.h>

#include "pthreadP.h"

#ifndef NEW_VERNUM

# define NEW_VERNUM GLIBC_2_3_3

#endif

int

__pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,

			 size_t stacksize)

{

  struct pthread_attr *iattr;

  iattr = (struct pthread_attr *) attr;

  /* Catch invalid sizes.  */

  int ret = check_stacksize_attr (stacksize);

  if (ret)

    return ret;

#ifdef EXTRA_PARAM_CHECKS

  EXTRA_PARAM_CHECKS;

#endif

  iattr->stacksize = stacksize;

#if _STACK_GROWS_DOWN

  iattr->stackaddr = (char *) stackaddr + stacksize;

#else

  iattr->stackaddr = (char *) stackaddr;

#endif

  iattr->flags |= ATTR_FLAG_STACKADDR;

  return 0;

}

#if PTHREAD_STACK_MIN == 16384

strong_alias (__pthread_attr_setstack, pthread_attr_setstack)

#else

# include <shlib-compat.h>

versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack,

		  NEW_VERNUM);

# if SHLIB_COMPAT(libpthread, GLIBC_2_2, NEW_VERNUM)

int

__old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,

			     size_t stacksize)

{

  struct pthread_attr *iattr;

  iattr = (struct pthread_attr *) attr;

  /* Catch invalid sizes.  */

  if (stacksize < 16384)

    return EINVAL;

#  ifdef EXTRA_PARAM_CHECKS

  EXTRA_PARAM_CHECKS;

#  endif

  iattr->stacksize = stacksize;

#if _STACK_GROWS_DOWN

  iattr->stackaddr = (char *) stackaddr + stacksize;

#else

  iattr->stackaddr = (char *) stackaddr;

#endif

  iattr->flags |= ATTR_FLAG_STACKADDR;

  return 0;

}

compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack,

	       GLIBC_2_2);

# endif

#endif