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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef _HOST_TOOL_UTILS_H_
#define _HOST_TOOL_UTILS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "bi-inc/attr_container.h"
#include "cJSON.h"
/**
* @brief Convert attribute container object to cJSON object.
*
* @param attr the attribute container object to be converted
*
* @return the created cJSON object if not NULL, NULL means fail
*
* @warning the return object should be deleted with cJSON_Delete by caller
*/
cJSON *
attr2json(const attr_container_t *attr);
/**
* @brief Convert cJSON object to attribute container object.
*
* @param json the cJSON object to be converted
*
* @return the created attribute container object if not NULL, NULL means fail
*
* @warning the return object should be deleted with attr_container_destroy
*/
attr_container_t *
json2attr(const cJSON *json);
/**
* @brief Generate a random 32 bit integer.
*
* @return the generated random integer
*/
int
gen_random_id();
/**
* @brief Read file content to buffer.
*
* @param filename the file name to read
* @param ret_size pointer of integer to save file size once return success
*
* @return the created buffer which contains file content if not NULL, NULL
* means fail
*
* @warning the return buffer should be deleted with free by caller
*/
char *
read_file_to_buffer(const char *filename, int *ret_size);
/**
* @brief Write buffer content to file.
*
* @param filename name the file name to be written
* @param buffer the buffer
* @param size size of the buffer to be written
*
* @return < 0 means fail, > 0 means the number of bytes actually written
*/
int
wirte_buffer_to_file(const char *filename, const char *buffer, int size);
#ifdef __cplusplus
} /* end of extern "C" */
#endif
#endif
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