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/*
* Copyright (c) 2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "log.hpp"
#include <iostream>
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <cstring>
namespace util
{
#ifndef NDEBUG
/**
* @brief check if a log level is enabled, and print it
*/
static int check_and_print_log_level(int level)
{
struct log_state
{
int level = WSI_DEFAULT_LOG_LEVEL;
log_state()
{
char *env = std::getenv("VULKAN_WSI_DEBUG_LEVEL");
if (env != nullptr)
{
try
{
level = std::stoi(env);
}
catch (const std::exception &e)
{
std::fprintf(stderr, "Error: %s\n", e.what());
}
}
}
};
static log_state state;
int result = level <= state.level;
if (result)
{
switch (level)
{
case 0:
/* Reserved for no logging */
break;
case 1:
std::fprintf(stderr, "ERROR");
break;
case 2:
std::fprintf(stderr, "WARNING");
break;
case 3:
std::fprintf(stderr, "INFO");
break;
default:
std::fprintf(stderr, "LEVEL_%d", level);
break;
}
}
return result;
}
void wsi_log_message(int level, const char *file, int line, const char *format, ...)
{
if (check_and_print_log_level(level))
{
std::fprintf(stderr, "(%s:%d): ", file, line);
std::va_list args;
va_start(args, format);
std::vfprintf(stderr, format, args);
va_end(args);
std::putc('\n', stderr);
}
}
#endif
} /* namespace util */
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