trace-file-util.h

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#ifndef TRACE_FILE_UTIL_H
#define TRACE_FILE_UTIL_H

 
#include <stddef.h>
 
/* ===== DLL エクスポート / インポート制御マクロ ===== */
 
#ifdef DOXYGEN

#define TRACE_FILE_UTIL_EXPORT

#define TRACE_FILE_UTIL_API
 
#else /* !DOXYGEN */
 
#ifndef _WIN32
    #define TRACE_FILE_UTIL_EXPORT
    #define TRACE_FILE_UTIL_API
#else /* _WIN32 */
    #ifndef __INTELLISENSE__
        #ifndef TRACE_FILE_UTIL_STATIC
            #ifdef TRACE_FILE_UTIL_EXPORTS
                #define TRACE_FILE_UTIL_EXPORT __declspec(dllexport)
            #else /* !TRACE_FILE_UTIL_EXPORTS */
                #define TRACE_FILE_UTIL_EXPORT __declspec(dllimport)
            #endif /* TRACE_FILE_UTIL_EXPORTS */
        #else      /* TRACE_FILE_UTIL_STATIC */
            #define TRACE_FILE_UTIL_EXPORT
        #endif /* TRACE_FILE_UTIL_STATIC */
    #else      /* __INTELLISENSE__ */
        #define TRACE_FILE_UTIL_EXPORT
    #endif /* __INTELLISENSE__ */
    #ifndef TRACE_FILE_UTIL_API
        #define TRACE_FILE_UTIL_API __stdcall
    #endif /* TRACE_FILE_UTIL_API */
#endif     /* _WIN32 */
 
#endif /* DOXYGEN */
 
/* ===== 設定定数 ===== */

#define TRACE_FILE_DEFAULT_MAX_BYTES  ((size_t)(10 * 1024 * 1024))

#define TRACE_FILE_DEFAULT_GENERATIONS  5
 
/* ===== トレースレベル定数 ===== */

#define TRACE_FILE_LV_CRITICAL  0
#define TRACE_FILE_LV_ERROR     1
#define TRACE_FILE_LV_WARNING   2
#define TRACE_FILE_LV_INFO      3
#define TRACE_FILE_LV_VERBOSE   4
 
/* ===== 不透明ハンドル型 ===== */

typedef struct trace_file_provider trace_file_provider_t;
 
/* ===== API 関数 ===== */
 
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */

    TRACE_FILE_UTIL_EXPORT trace_file_provider_t *TRACE_FILE_UTIL_API
        trace_file_provider_init(const char *path, size_t max_bytes, int generations);

    TRACE_FILE_UTIL_EXPORT int TRACE_FILE_UTIL_API
        trace_file_provider_write(trace_file_provider_t *handle, int level,
                                  const char *message);

    TRACE_FILE_UTIL_EXPORT void TRACE_FILE_UTIL_API
        trace_file_provider_dispose(trace_file_provider_t *handle);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* TRACE_FILE_UTIL_H */