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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14685 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2025-12-08 14:59:05 +00:00 · 2004-07-26 16:36:55 +00:00
parent a9e8f137ad
commit 91bcdea2a2
669 changed files with 80825 additions and 0 deletions
--- a/library/stdio_fclose.c
+++ b/library/stdio_fclose.c
@ -0,0 +1,152 @@
+/*
+ * $Id: stdio_fclose.c,v 1.1.1.1 2004-07-26 16:31:24 obarthel Exp $
+ *
+ * :ts=4
+ *
+ * Portable ISO 'C' (1994) runtime library for the Amiga computer
+ * Copyright (c) 2002-2004 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);
+}