1
0
mirror of https://github.com/adtools/clib2.git synced 2025-12-08 14:59:05 +00:00
Files
amiga-clib2/library/stdio_fclose.c
Olaf Barthel 984c6729c1 - Updated the copyright information.
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14789 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2005-01-02 09:07:21 +00:00

153 lines
3.9 KiB
C

/*
* $Id: stdio_fclose.c,v 1.2 2005-01-02 09:07:08 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
* 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.
*/
#ifndef _STDLIB_NULL_POINTER_CHECK_H
#include "stdlib_null_pointer_check.h"
#endif /* _STDLIB_NULL_POINTER_CHECK_H */
/****************************************************************************/
#ifndef _STDLIB_MEM_DEBUG_H
#include "stdlib_mem_debug.h"
#endif /* _STDLIB_MEM_DEBUG_H */
/****************************************************************************/
#ifndef _STDIO_HEADERS_H
#include "stdio_headers.h"
#endif /* _STDIO_HEADERS_H */
/****************************************************************************/
int
fclose(FILE *stream)
{
DECLARE_UTILITYBASE();
struct iob * file = (struct iob *)stream;
struct file_hook_message message;
int result = OK;
ENTER();
SHOWPOINTER(stream);
assert( stream != NULL );
assert( UtilityBase != NULL );
#if defined(CHECK_FOR_NULL_POINTERS)
{
if(stream == NULL)
{
SHOWMSG("invalid stream parameter");
result = EOF;
errno = EFAULT;
goto out;
}
}
#endif /* CHECK_FOR_NULL_POINTERS */
if(__check_abort_enabled)
__check_abort();
assert( __is_valid_iob(file) );
assert( FLAG_IS_SET(file->iob_Flags,IOBF_IN_USE) );
assert( file->iob_BufferSize > 0 );
if(FLAG_IS_CLEAR(file->iob_Flags,IOBF_IN_USE))
{
SHOWMSG("this file is not even in use");
result = EOF;
errno = EBADF;
goto out;
}
/* Push back any buffered data to the stream. */
if(__iob_write_buffer_is_valid(file) && __flush_iob_write_buffer(file) < 0)
result = EOF;
/* Make sure that the stream is closed. */
SHOWMSG("calling the hook");
message.action = file_hook_action_close;
message.result = OK;
assert( file->iob_Hook != NULL );
CallHookPkt(file->iob_Hook,file,&message);
if(result != EOF)
{
result = message.result;
errno = message.error;
}
/* Now that the file is closed and we are in fact
* dealing with a temporary file, delete that file.
*/
if(FLAG_IS_SET(file->iob_Flags,IOBF_TEMP))
{
BPTR old_current_dir;
SHOWMSG("this is a temporary file; deleting it");
assert( file->iob_TempFileName != NULL );
PROFILE_OFF();
old_current_dir = CurrentDir(file->iob_TempFileLock);
DeleteFile(file->iob_TempFileName);
CurrentDir(old_current_dir);
UnLock(file->iob_TempFileLock);
PROFILE_ON();
free(file->iob_TempFileName);
}
/* Get rid of any custom file buffer allocated. */
if(file->iob_CustomBuffer != NULL)
free(file->iob_CustomBuffer);
memset(file,0,sizeof(*file));
out:
RETURN(result);
return(result);
}