Current File : //proc/thread-self/root/usr/include/fstrm/file.h
/*
* Copyright (c) 2014 by Farsight Security, Inc.
*
* 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 FSTRM_FILE_H
#define FSTRM_FILE_H
/**
* \defgroup fstrm_file fstrm_file
*
* `fstrm_file` contains interfaces for opening \ref fstrm_reader or
* \ref fstrm_writer objects that are backed by file I/O.
*
* @{
*/
/**
* Initialize an `fstrm_file_options` object, which is needed to configure the
* file path to be opened by fstrm_file_reader_init() or
* fstrm_file_writer_init().
*
* \return
* `fstrm_file_options` object.
*/
struct fstrm_file_options *
fstrm_file_options_init(void);
/**
* Destroy an `fstrm_file_options` object.
*
* \param fopt
* Pointer to `fstrm_file_options` object.
*/
void
fstrm_file_options_destroy(struct fstrm_file_options **fopt);
/**
* Set the `file_path` option. This is a filesystem path to a regular file to be
* opened for reading or writing.
*
* \param fopt
* `fstrm_file_options` object.
* \param file_path
* The filesystem path for a regular file.
*/
void
fstrm_file_options_set_file_path(struct fstrm_file_options *fopt,
const char *file_path);
/**
* Open a file containing Frame Streams data for reading.
*
* \param fopt
* `fstrm_file_options` object. Must be non-NULL, and have the `file_path`
* option set.
* \param ropt
* `fstrm_reader_options` object. May be NULL, in which case default values
* will be used.
*
* \return
* `fstrm_reader` object.
* \retval
* NULL on failure.
*/
struct fstrm_reader *
fstrm_file_reader_init(const struct fstrm_file_options *fopt,
const struct fstrm_reader_options *ropt);
/**
* Open a file for writing Frame Streams data. The file will be truncated if it
* already exists.
*
* \param fopt
* `fstrm_file_options` object. Must be non-NULL, and have the `file_path`
* option set.
* \param wopt
* `fstrm_writer_options` object. May be NULL, in which case default values
* will be used.
*
* \return
* `fstrm_writer` object.
* \retval
* NULL on failure.
*/
struct fstrm_writer *
fstrm_file_writer_init(const struct fstrm_file_options *fopt,
const struct fstrm_writer_options *wopt);
/**@}*/
#endif /* FSTRM_FILE_H */
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