libuavcan/libuavcan/include/uavcan/debug.hpp

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/*
 * Debug stuff, should only be used for library development.
 * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
 */
 
#ifndef UAVCAN_DEBUG_HPP_INCLUDED
#define UAVCAN_DEBUG_HPP_INCLUDED
 
#include <uavcan/build_config.hpp>
 
#if UAVCAN_DEBUG
 
# include <cstdio>
# include <cstdarg>
 
# if __GNUC__
__attribute__ ((format(printf, 2, 3)))
# endif
static void UAVCAN_TRACE(const char* src, const char* fmt, ...)
{
    va_list args;
    (void)std::printf("UAVCAN: %s: ", src);
    va_start(args, fmt);
    (void)std::vprintf(fmt, args);
    va_end(args);
    (void)std::puts("");
}
 
#else
 
# define UAVCAN_TRACE(...) ((void)0)
 
#endif
 
#endif // UAVCAN_DEBUG_HPP_INCLUDED