raptor/util/caseless/filehandles.h

/*
 * Copyright (c) 2011-2012 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of the License "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description: 
 *
 * Mapping between "our" handles and real OS filehandles.
*/

#ifndef _FILEHANDLES_H_
#define _FILEHANDLES_H_

#include <sys/param.h>

typedef struct {
	int opencount;
	int realfh;
	char name[MAXPATHLEN];
} caseless_filehandle;

#define FHTABLE_SIZE 1000
void fhtable_init(void);  /* Initialise filehandle map */
int fh_new(int realfh);  /* allocate one of "our" handles given a real one */
int fh_close(int fh);    /* unmap one of "our" handles */ 
int fh_getreal(int fh); /* lookup a real handle using "our" handle */

int fh_find(int realfh); /* reverse lookup from a real filehandle to "our" equivalent */

extern caseless_filehandle fhtable[FHTABLE_SIZE];

#define FH_ACCESS(fh) fhtable[fh]

#endif