ext_system_logger.h

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#ifndef EXT_SYSTEM_LOGGER_H_
#define EXT_SYSTEM_LOGGER_H_

#include "../kaa_error.h"
#include "../platform/time.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * @brief Write log message in system dependent way.
 * Write @c log message from buffer with length message_size, possibly using FILE sink.
 * @param[in]   sink            FILE of opened stream or NULL if used some other way to print log.
 * @param[in]   buffer          Byte buffer with log message.
 * @param[in]   message_size    Length of message size.
 *
 */
void ext_write_log(FILE * sink, const char * buffer, size_t message_size);

/*
 * @brief Return current system time.
 * Return system current time in seconds since begin of Epoch.
 *
 * @return  time_t      Time in seconds.
 */
kaa_time_t ext_get_systime(void);

int ext_format_sprintf(char * buffer, size_t buffer_size, const char * format, const char * log_level_name, const char * truncated_name, int lineno, kaa_error_t error_code);

int ext_snpintf(char * buffer, size_t buffer_size, const char * format, ...);

/*
 * @brief System depended snprintf with va_list implementation.
 * System depended snprintf with va_list implementation.
 * @param[in,out]   buffer          Buffer to store formated message.
 * @param[in]       buffer_size     Size of buffer.
 * @param[in]       format          Message format.
 * @param[in]       args            Other arguments for message as va_list.
 */
int ext_logger_sprintf(char * buffer, size_t buffer_size, const char * format, va_list args);

#ifdef __cplusplus
}      /* extern "C" */
#endif

#endif /* EXT_SYSTEM_LOGGER_H_ */