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/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef FILEIO_H
#define FILEIO_H
#include <helper/types.h>
#define FILEIO_MAX_ERROR_STRING (128)
enum fileio_type
{
FILEIO_TEXT,
FILEIO_BINARY,
};
enum fileio_access
{
FILEIO_NONE, /* open without any access (invalid mode) */
FILEIO_READ, /* open for reading, position at beginning */
FILEIO_WRITE, /* open for writing, position at beginning */
FILEIO_READWRITE, /* open for writing, position at beginning, allow reading */
FILEIO_APPEND, /* open for writing, position at end */
FILEIO_APPENDREAD, /* open for writing, position at end, allow reading */
};
struct fileio
{
/* The structure is opaque */
struct fileio_internal *fp;
};
int fileio_open(struct fileio *fileio,
const char *url, enum fileio_access access_type, enum fileio_type type);
int fileio_close(struct fileio *fileio);
int fileio_seek(struct fileio *fileio, size_t position);
int fileio_fgets(struct fileio *fileio, size_t size, void *buffer);
int fileio_read(struct fileio *fileio,
size_t size, void *buffer, size_t *size_read);
int fileio_write(struct fileio *fileio,
size_t size, const void *buffer, size_t *size_written);
int fileio_read_u32(struct fileio *fileio, uint32_t *data);
int fileio_write_u32(struct fileio *fileio, uint32_t data);
int fileio_size(struct fileio *fileio, int *size);
#define ERROR_FILEIO_LOCATION_UNKNOWN (-1200)
#define ERROR_FILEIO_NOT_FOUND (-1201)
#define ERROR_FILEIO_OPERATION_FAILED (-1202)
#define ERROR_FILEIO_ACCESS_NOT_SUPPORTED (-1203)
#define ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN (-1204)
#define ERROR_FILEIO_OPERATION_NOT_SUPPORTED (-1205)
#endif /* FILEIO_H */
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