ovrd_log.hpp

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// Copyright 2020, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
 * @file
 * @brief  Logger code.
 * @author Jakob Bornecrantz <jakob@collabora.com>
 * @ingroup st_ovrd
 */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdarg.h>
 
#include "xrt/xrt_compiler.h"
 
#ifdef __cplusplus
}
#endif
 
#include "openvr_driver.h"
 
static vr::IVRDriverLog *s_pLogFile = NULL;
 
static inline void
ovrd_log_init(vr::IVRDriverLog *pDriverLog)
{
        // Noop
        s_pLogFile = vr::VRDriverLog();
}
 
// Cannot use the XRT_PRINTF_FORMAT macro on a function definition.
static inline void
ovrd_log(const char *fmt, ...) XRT_PRINTF_FORMAT(1, 2);
 
static inline void
ovrd_log(const char *fmt, ...)
{
        va_list args;
        va_start(args, fmt);
 
        char buf[1024];
#if defined(WIN32)
        vsprintf_s(buf, fmt, args);
#else
        vsnprintf(buf, sizeof(buf), fmt, args);
#endif
 
        if (s_pLogFile)
                s_pLogFile->Log(buf);
 
        va_end(args);
}
 
static inline void
ovrd_log_cleanup()
{
        s_pLogFile = nullptr;
}