74 lines
3.4 KiB
C
74 lines
3.4 KiB
C
/***************************************************************************
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* Copyright (C) 2007 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2007,2008 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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* *
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* Copyright (C) 2008 by Spencer Oliver *
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* spen@spen-soft.co.uk *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef FILEIO_H
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#define FILEIO_H
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#include "types.h"
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#define FILEIO_MAX_ERROR_STRING (128)
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enum fileio_type
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{
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FILEIO_TEXT,
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FILEIO_BINARY,
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};
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enum fileio_access
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{
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FILEIO_READ, /* open for reading, position at beginning */
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FILEIO_WRITE, /* open for writing, position at beginning */
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FILEIO_READWRITE, /* open for writing, position at beginning, allow reading */
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FILEIO_APPEND, /* open for writing, position at end */
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FILEIO_APPENDREAD, /* open for writing, position at end, allow reading */
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};
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typedef struct fileio_s
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{
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char *url;
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long long size;
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enum fileio_type type;
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enum fileio_access access;
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FILE *file;
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} fileio_t;
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extern int fileio_write(fileio_t *fileio, uint32_t size, const uint8_t *buffer, uint32_t *size_written);
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extern int fileio_read(fileio_t *fileio, uint32_t size, uint8_t *buffer, uint32_t *size_read);
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extern int fileio_fgets(fileio_t *fileio, uint32_t size, char *buffer);
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extern int fileio_seek(fileio_t *fileio, uint32_t position);
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extern int fileio_close(fileio_t *fileio);
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extern int fileio_open(fileio_t *fileio, const char *url, enum fileio_access access, enum fileio_type type);
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extern int fileio_read_u32(fileio_t *fileio, uint32_t *data);
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extern int fileio_write_u32(fileio_t *fileio, uint32_t data);
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#define ERROR_FILEIO_LOCATION_UNKNOWN (-1200)
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#define ERROR_FILEIO_NOT_FOUND (-1201)
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#define ERROR_FILEIO_OPERATION_FAILED (-1202)
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#define ERROR_FILEIO_ACCESS_NOT_SUPPORTED (-1203)
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#define ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN (-1204)
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#define ERROR_FILEIO_OPERATION_NOT_SUPPORTED (-1205)
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#endif /* FILEIO_H */
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