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/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_stream.h).
* ---------------------------------------------------------------------------------------
*
* 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.
*/
#ifndef __LIBRETRO_SDK_FILE_STREAM_H
#define __LIBRETRO_SDK_FILE_STREAM_H
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <sys/types.h>
#include <libretro.h>
#include <retro_common_api.h>
#include <retro_inline.h>
#include <boolean.h>
#include <stdarg.h>
#include <vfs/vfs_implementation.h>
#define FILESTREAM_REQUIRED_VFS_VERSION 2
RETRO_BEGIN_DECLS
typedef struct RFILE RFILE;
#define FILESTREAM_REQUIRED_VFS_VERSION 2
void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info);
int64_t filestream_get_size(RFILE *stream);
int64_t filestream_truncate(RFILE *stream, int64_t length);
/**
* filestream_open:
* @path : path to file
* @mode : file mode to use when opening (read/write)
* @bufsize : optional buffer size (-1 or 0 to use default)
*
* Opens a file for reading or writing, depending on the requested mode.
* @return A pointer to an RFILE if opened successfully, otherwise NULL.
**/
RFILE* filestream_open(const char *path, unsigned mode, unsigned hints);
int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position);
int64_t filestream_read(RFILE *stream, void *data, int64_t len);
int64_t filestream_write(RFILE *stream, const void *data, int64_t len);
int64_t filestream_tell(RFILE *stream);
void filestream_rewind(RFILE *stream);
int filestream_close(RFILE *stream);
/**
* filestream_read_file:
* @path : path to file.
* @buf : buffer to allocate and read the contents of the
* file into. Needs to be freed manually.
* @len : optional output integer containing bytes read.
*
* Read the contents of a file into @buf.
*
* @return Non-zero on success.
*/
int64_t filestream_read_file(const char *path, void **buf, int64_t *len);
char* filestream_gets(RFILE *stream, char *s, size_t len);
int filestream_getc(RFILE *stream);
int filestream_vscanf(RFILE *stream, const char* format, va_list *args);
int filestream_scanf(RFILE *stream, const char* format, ...);
int filestream_eof(RFILE *stream);
/**
* filestream_write_file:
* @path : path to file.
* @data : contents to write to the file.
* @size : size of the contents.
*
* Writes data to a file.
*
* @return true on success, otherwise false.
**/
bool filestream_write_file(const char *path, const void *data, int64_t size);
int filestream_putc(RFILE *stream, int c);
int filestream_vprintf(RFILE *stream, const char* format, va_list args);
int filestream_printf(RFILE *stream, const char* format, ...);
int filestream_error(RFILE *stream);
int filestream_flush(RFILE *stream);
int filestream_delete(const char *path);
int filestream_rename(const char *old_path, const char *new_path);
const char* filestream_get_path(RFILE *stream);
bool filestream_exists(const char *path);
/**
* filestream_getline:
*
* Returned pointer must be freed by the caller.
**/
char* filestream_getline(RFILE *stream);
libretro_vfs_implementation_file* filestream_get_vfs_handle(RFILE *stream);
RETRO_END_DECLS
#endif
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