source: box/trunk/lib/common/DebugPrintf.cpp @ 2415

// --------------------------------------------------------------------------
//
// File
//              Name:    DebugPrintf.cpp
//              Purpose: Implementation of a printf function, to avoid a stdio.h include in Box.h
//              Created: 2003/09/06
//
// --------------------------------------------------------------------------

#ifndef BOX_RELEASE_BUILD

#include "Box.h"

#include <stdio.h>
#include <stdarg.h>

#ifdef WIN32
        #include "emu.h"
#else
        #include <syslog.h>
#endif

#include "MemLeakFindOn.h"

// Use this apparently superflous printf function to avoid having to 
// include stdio.h in every file in the project.

int BoxDebug_printf(const char *format, ...)
{
        va_list ap;
        va_start(ap, format);
        int r = vprintf(format, ap);
        va_end(ap);
        return r;
}


bool BoxDebugTraceOn = true;
bool BoxDebugTraceToStdout = true;
bool BoxDebugTraceToSyslog = false;

int BoxDebugTrace(const char *format, ...)
{
        char text[512];
        int r = 0;
        if(BoxDebugTraceOn || BoxDebugTraceToSyslog)
        {
                va_list ap;
                va_start(ap, format);
                r = vsnprintf(text, sizeof(text), format, ap);
                va_end(ap);
        }

        // Send to stdout if trace is on and std out is enabled
        if(BoxDebugTraceOn && BoxDebugTraceToStdout)
        {
                printf("%s", text);             
        }

        // But tracing to syslog is independent of tracing being on or not
        if(BoxDebugTraceToSyslog)
        {
#ifdef WIN32            
                // Remove trailing '\n', if it's there
                if(r > 0 && text[r-1] == '\n')
                {
                        text[r-1] = '\0';
#else
                if(r > 0 && text[r] == '\n')
                {
                        text[r] = '\0';
#endif
                        --r;
                }
                // Log it
                ::syslog(LOG_INFO, "TRACE: %s", text);
        }

        return r;
}


#endif // BOX_RELEASE_BUILD