* 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 *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifndef FILEIO_H
#define FILEIO_H
#define FILEIO_MAX_ERROR_STRING (128)
-#include "types.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <ctype.h>
-
-enum fileio_type
-{
+enum fileio_type {
FILEIO_TEXT,
FILEIO_BINARY,
};
-enum fileio_location
-{
- FILEIO_LOCAL,
-/*
- * Possible future enhancements:
- * FILEIO_NFS,
- * FILEIO_BOOTP,
- * FILEIO_[XYZ]MODEM,
- * FILEIO_HTTP,
- * FILEIO_FTP,
- */
-};
-
-enum fileio_access
-{
+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_APPENDREAD, /* open for writing, position at end, allow reading */
};
-typedef struct fileio_s
-{
- char *url;
- char error_str[FILEIO_MAX_ERROR_STRING];
- long long size;
- enum fileio_type type;
- enum fileio_location location;
- enum fileio_access access;
- void *location_private;
-} fileio_t;
+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);
-typedef struct fileio_local_s
-{
- FILE *file;
-} fileio_local_t;
+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);
-extern int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written);
-extern int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read);
-extern int fileio_fgets(fileio_t *fileio, u32 size, u8 *buffer);
-extern int fileio_seek(fileio_t *fileio, u32 position);
-extern int fileio_close(fileio_t *fileio);
-extern int fileio_open(fileio_t *fileio, char *url, enum fileio_access access, enum fileio_type type);
-extern int fileio_read_u32(fileio_t *fileio, u32 *data);
-extern int fileio_write_u32(fileio_t *fileio, u32 data);
-
-#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_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 */
+#endif /* FILEIO_H */