/******************************************************************************
 * Copyright (c) 1998, Frank Warmerdam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 *
 * cpl_conv.h
 *
 * Prototypes, and stuff for various convenience functions.  This is intended
 * to remain light weight.
 *
 * $Log: 
 * Revision 1.1  1998/10/18 06:15:11  warmerda
 * Initial implementation.
 *
 */

#ifndef CPL_CONV_H_INCLUDED
#define CPL_CONV_H_INCLUDED

#include "cpl_port.h"
#include "cpl_vsi.h"
#include "cpl_error.h"

/**
 * \file cpl_conv.h
 *
 * Various convenience functions for CPL.
 *
 */

/* -------------------------------------------------------------------- */
/*      Runtime check of various configuration items.                   */
/* -------------------------------------------------------------------- */
void CPLVerifyConfiguration();

/* -------------------------------------------------------------------- */
/*      Safe malloc() API.  Thin cover over VSI functions with fatal    */
/*      error reporting if memory allocation fails.                     */
/* -------------------------------------------------------------------- */
CPL_C_START
void CPL_DLL *CPLMalloc( size_t );
void CPL_DLL *CPLCalloc( size_t, size_t );
void CPL_DLL *CPLRealloc( void *, size_t );
char CPL_DLL *CPLStrdup( const char * );

#define CPLFree	VSIFree

/* -------------------------------------------------------------------- */
/*      Read a line from a text file, and strip of CR/LF.               */
/* -------------------------------------------------------------------- */
const char *CPLReadLine( FILE * );

/* -------------------------------------------------------------------- */
/*      Fetch a function from DLL / so.                                 */
/* -------------------------------------------------------------------- */

void CPL_DLL *CPLGetSymbol( const char *, const char * );

/* -------------------------------------------------------------------- */
/*      Read a directory  (cpl_dir.c)                                   */
/* -------------------------------------------------------------------- */
char CPL_DLL  **CPLReadDir( const char *pszPath );

/* -------------------------------------------------------------------- */
/*      Filename handling functions.                                    */
/* -------------------------------------------------------------------- */
const char CPL_DLL *CPLGetPath( const char * );
const char CPL_DLL *CPLGetFilename( const char * );
const char CPL_DLL *CPLGetBasename( const char * );
const char CPL_DLL *CPLGetExtension( const char * );
const char CPL_DLL *CPLFormFilename( const char *pszPath,
                                     const char *pszBasename,
                                     const char *pszExtension );

/* -------------------------------------------------------------------- */
/*      Find File Function                                              */
/* -------------------------------------------------------------------- */
typedef const char *(*CPLFileFinder)(const char *, const char *);

const char    CPL_DLL *CPLFindFile(const char *pszClass, 
                                   const char *pszBasename);
const char    CPL_DLL *CPLDefaultFindFile(const char *pszClass, 
                                          const char *pszBasename);
void          CPL_DLL CPLPushFileFinder( CPLFileFinder pfnFinder );
CPLFileFinder CPL_DLL CPLPopFileFinder();
void          CPL_DLL CPLPushFinderLocation( const char * );


CPL_C_END

#endif /* ndef CPL_CONV_H_INCLUDED */
