/* * Copyright (C) 2019-2020 Alibaba Group Holding Limited */ #ifndef YOC_NVRAM_H #define YOC_NVRAM_H #include #ifdef __cplusplus extern "C" { #endif /** * This function will init nvram. * * @param[in] pathname the data pair of the key, less than 64 bytes * @return 0 on success, negative error on failure. */ int nvram_init(const char *pathname); /** * This function will reset nvram, clear all data. * * @return 0 on success, negative error on failure. */ int nvram_reset(); /** * This function will get data from the factory setting area. * * @param[in] key the data pair of the key, less than 64 bytes * @param[in] len the length of the buffer * @param[out] value the buffer that will store the data * @return the length of the data value, error code otherwise */ int nvram_get_val(const char *key, char *value, int len); /** * This function will set data to the factory setting area. * * @param[in] key the data pair of the key, less than 64 bytes * @param[in] value the data pair of the value, delete the pair if value == NULL * @return 0 on success, negative error on failure. */ int nvram_set_val(const char *key, char *value); #ifdef __cplusplus } #endif #endif