source: libcf/trunk/include/cf_debug.h@ 9

/**
 * cf_debug.h
 */
#ifndef __CF_DEBUG_H__
#define __CF_DEBUG_H__

#include "cf_base.h"

#define CF_ERROR_DEBUG_INVALID_CTX          CF_ERROR_DEBUG - 1
#define CF_ERROR_DEBUG_SET_OUTPUT_FD        CF_ERROR_DEBUG - 2
#define CF_ERROR_DEBUG_PUSH_CALLSTACK       CF_ERROR_DEBUG - 3
#define CF_ERROR_DEBUG_POP_CALLSTACK        CF_ERROR_DEBUG - 4

#ifdef _WIN32
# define __func__   __FUNCTION__
#endif

#ifdef _DEBUG
# define CF_DEBUG_TRACE(__ctx,__fmt,...)                            \
    CF_Debug_Trace (__ctx,__fmt,##__VA_ARGS__)
# define CF_DEBUG_TRACE_BIN(__ctx,__bin,__len,__fmt,...)            \
    CF_Debug_Trace (__ctx,__bin,__len,__fmt,##__VA_ARGS__)
# define CF_DEBUG_CALLSTACK_PUSH(__ctx)                             \
    CF_Debug_CallstackPush (__ctx,__FILE__,__func__,__LINE__)
# define CF_DEBUG_CALLSTACK_POP                                     \
    CF_Debug_CallstackPop
#else // #ifdef _DEBUG
# define CF_DEBUG_TRACE(__ctx,__fmt,...)
# define CF_DEBUG_TRACE_BIN(__ctx,__bin,__len,__fmt,...)
# define CF_DEBUG_CALLSTACK_PUSH(__ctx)
# define CF_DEBUG_CALLSTACK_POP()
#endif // #ifdef _DEBUG

#define NAME_LENGTH 128

typedef void *  CF_Debug_Ctx;
typedef struct cf_debug_callStack {
    char    function[NAME_LENGTH + 1];
    int     line;
} CF_Debug_CallStack;

#ifdef __cplusplus
extern "C" {
#endif

CF_EXPORT CF_Debug_Ctx
CF_Debug_CreateCtx      (void);

CF_EXPORT int
CF_Debug_DestroyCtx     (CF_Debug_Ctx ctx);

CF_EXPORT int
CF_Debug_SetOutputFD    (CF_Debug_Ctx   ctx,
                         int            fd);

CF_EXPORT int
CF_Debug_Trace          (CF_Debug_Ctx   ctx,
                         const char     * fmt, ...);

CF_EXPORT int
CF_Debug_TraceBin       (CF_Debug_Ctx           ctx,
                         const unsigned char    * bin,
                         const int              len,
                         const char             * fmt, ...);

CF_EXPORT int
CF_Debug_CallStackPush  (CF_Debug_Ctx   ctx,
                         const char     * file,
                         const char     * func,
                         const int      line);

CF_EXPORT int
CF_Debug_CallStackPop   (CF_Debug_Ctx       ctx,
                         CF_Debug_CallStack * callstack);

#endif // #ifndef __CF_DEBUG_H__