_trace.h

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#ifndef __DEBUG_H__
#define __DEBUG_H__
 
#include <stdio.h>
#include <stdarg.h>
 
#if __DCL_WINDOWS
#define __DEBUG_TRACE__ "D:/temp/dcl_hsc_ap2.txt"
#else
#define __DEBUG_TRACE__ "/dev/pts/0"
#endif
 
#ifndef __THIS_FILE__
#define __THIS_FILE__   __FILE__
#endif
 
static void trace(const char* fmt, ...)
{
    va_list args;
    FILE* fp = fopen(__DEBUG_TRACE__, "a");
    if (fp)
    {
#if __DCL_DEBUG
        fprintf(fp, "D ");
#else
        fprintf(fp, "R ");
#endif
        va_start(args, fmt);
        vfprintf(fp, fmt, args);
        va_end(args);
        fclose(fp);
    }
}
 
#define _TRACE0(str) \
    trace("%s(%d) %s: %s", __THIS_FILE__, __LINE__, __PRETTY_FUNCTION__, str)
#define _TRACE1(fmt, arg1) \
    trace("%s(%d) %s: " fmt, __THIS_FILE__, __LINE__, __PRETTY_FUNCTION__, arg1)
#define _TRACE2(fmt, arg1, arg2) \
    trace("%s(%d) %s: " fmt, __THIS_FILE__, __LINE__, __PRETTY_FUNCTION__, arg1, arg2)
#define _TRACE3(fmt, arg1, arg2, arg3) \
    trace("%s(%d) %s: " fmt, __THIS_FILE__, __LINE__, __PRETTY_FUNCTION__, arg1, arg2, arg3)
 
#endif