* 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 *
#ifndef FILEIO_H
#define FILEIO_H
-#define FILEIO_MAX_ERROR_STRING (128)
-
-/* make buffering of complete intel-hex format files optional
- * to account for resource-limited hosts
- */
-#define FILEIO_BUFFER_COMPLETE_IHEX
-
-#include <sys/stat.h>
+#include "types.h"
-enum fileio_pri_type
-{
- FILEIO_TEXT = 0x1,
- FILEIO_IMAGE = 0x2,
-};
-
-enum fileio_sec_type
-{
- FILEIO_PLAIN = 0x10,
- FILEIO_IHEX = 0x20,
-/*
- * Possible future enhancements:
- * FILEIO_ELF,
- * FILEIO_SRECORD,
- */
-};
+#define FILEIO_MAX_ERROR_STRING (128)
-enum fileio_location
+enum fileio_type
{
- FILEIO_LOCAL,
-/*
- * Possible future enhancements:
- * FILEIO_NFS,
- * FILEIO_BOOTP,
- * FILEIO_[XYZ]MODEM,
- * FILEIO_HTTP,
- * FILEIO_FTP,
- */
+ 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_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_pri_type pri_type;
- enum fileio_sec_type sec_type;
- enum fileio_location location;
+struct fileio {
+ const char *url;
+ ssize_t size;
+ enum fileio_type type;
enum fileio_access access;
- void *location_private;
- void *pri_type_private;
- void *sec_type_private;
-} fileio_t;
+ FILE *file;
+};
-typedef struct fileio_text_s
-{
-} fileio_text_t;
+int fileio_open(struct fileio *fileio,
+ const char *url, enum fileio_access access, enum fileio_type type);
+int fileio_close(struct fileio *fileio);
-typedef struct fileio_image_s
-{
- u32 base_address;
- int has_start_address;
- u32 start_address;
-} fileio_image_t;
+int fileio_seek(struct fileio *fileio, size_t position);
+int fileio_fgets(struct fileio *fileio, size_t size, void *buffer);
-typedef struct fileio_local_s
-{
- FILE *file;
- struct stat file_stat;
-} fileio_local_t;
+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_ihex_s
-{
- u32 position;
- u32 raw_size;
-#ifdef FILEIO_BUFFER_COMPLETE_IHEX
- u8 *buffer;
-#endif
-} fileio_ihex_t;
+int fileio_read_u32(struct fileio *fileio, uint32_t *data);
+int fileio_write_u32(struct fileio *fileio, uint32_t data);
-extern int fileio_identify_image_type(enum fileio_sec_type *sec_type, char *type_string);
-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_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_pri_type pri_type, void *pri_info, enum fileio_sec_type sec_type);
-
#define ERROR_FILEIO_LOCATION_UNKNOWN (-1200)
#define ERROR_FILEIO_NOT_FOUND (-1201)
#define ERROR_FILEIO_OPERATION_FAILED (-1202)