Sweden-Number/library/errno.c

61 lines
1.8 KiB
C

/*
* Wine library reentrant errno support
*
* Copyright 1998 Alexandre Julliard
*
* This 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.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Get pointers to the static errno and h_errno variables used by Xlib. This
must be done before including <errno.h> makes the variables invisible. */
static int *default_errno_location(void)
{
extern int errno;
return &errno;
}
static int *default_h_errno_location(void)
{
extern int h_errno;
return &h_errno;
}
int* (*wine_errno_location)(void) = default_errno_location;
int* (*wine_h_errno_location)(void) = default_h_errno_location;
#include "config.h"
/***********************************************************************
* __errno_location/__error/___errno
*
* Get the per-thread errno location.
*/
#ifdef ERRNO_LOCATION
int *ERRNO_LOCATION(void)
{
return wine_errno_location();
}
#endif /* ERRNO_LOCATION */
/***********************************************************************
* __h_errno_location
*
* Get the per-thread h_errno location.
*/
int *__h_errno_location(void)
{
return wine_h_errno_location();
}