library/usergroup_init_exit.c
/*
* $Id: usergroup_init_exit.c,v 1.12 2006-01-08 12:04:27 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#if defined(USERGROUP_SUPPORT)
/****************************************************************************/
#ifndef _USERGROUP_HEADERS_H
#include "usergroup_headers.h"
#endif /* _USERGROUP_HEADERS_H */
/****************************************************************************/
#ifndef _STDLIB_CONSTRUCTOR_H
#include "stdlib_constructor.h"
#endif /* _STDLIB_CONSTRUCTOR_H */
/****************************************************************************/
/* Pointer to errno, length == sizeof(long) */
#define UGT_ERRNOLPTR 0x80000004
/****************************************************************************/
struct Library * NOCOMMON __UserGroupBase;
/****************************************************************************/
#if defined(__amigaos4__)
struct UserGroupIFace * NOCOMMON __IUserGroup;
#endif /* __amigaos4__ */
/****************************************************************************/
CLIB_DESTRUCTOR(usergroup_exit)
{
ENTER();
#if defined(__amigaos4__)
{
if(__IUserGroup != NULL)
{
DropInterface((struct Interface *)__IUserGroup);
__IUserGroup = NULL;
}
}
#endif /* __amigaos4__ */
if(__UserGroupBase != NULL)
{
CloseLibrary(__UserGroupBase);
__UserGroupBase = NULL;
}
LEAVE();
}
/****************************************************************************/
CLIB_CONSTRUCTOR(usergroup_init)
{
struct TagItem tags[2];
BOOL success = FALSE;
ENTER();
PROFILE_OFF();
__UserGroupBase = OpenLibrary("usergroup.library",0);
#if defined(__amigaos4__)
{
if(__UserGroupBase != NULL)
{
__IUserGroup = (struct UserGroupIFace *)GetInterface(__UserGroupBase, "main", 1, 0);
if (__IUserGroup == NULL)
{
CloseLibrary(__UserGroupBase);
__UserGroupBase = NULL;
}
}
}
#endif /* __amigaos4__ */
if(__UserGroupBase == NULL)
{
SHOWMSG("usergroup.library did not open");
__show_error("\"usergroup.library\" could not be opened.");
goto out;
}
/* Wire the library's errno variable to our local errno. */
tags[0].ti_Tag = UGT_ERRNOLPTR;
tags[0].ti_Data = (ULONG)&errno;
tags[1].ti_Tag = TAG_END;
if(__ug_SetupContextTagList(__program_name,tags) != 0)
{
SHOWMSG("could not initialize usergroup.library");
__show_error("\"usergroup.library\" could not be initialized.");
goto out;
}
success = TRUE;
out:
PROFILE_ON();
SHOWVALUE(success);
LEAVE();
if(success)
CONSTRUCTOR_SUCCEED();
else
CONSTRUCTOR_FAIL();
}
/****************************************************************************/
#endif /* USERGROUP_SUPPORT */