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/*
* Copyright 2006 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// Most of this was borrowed (with minor modifications) from V8's and Chromium's
// src/base/logging.cc.
#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#if defined(WEBRTC_ANDROID)
#define RTC_LOG_TAG_ANDROID "rtc"
#include <android/log.h> // NOLINT
#endif
#if defined(WEBRTC_WIN)
#include <windows.h>
#endif
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#if defined(_MSC_VER)
// Warning C4722: destructor never returns, potential memory leak.
// FatalMessage's dtor very intentionally aborts.
#pragma warning(disable:4722)
#endif
namespace rtc {
void VPrintError(const char* format, va_list args) {
#if defined(WEBRTC_ANDROID)
__android_log_vprint(ANDROID_LOG_ERROR, RTC_LOG_TAG_ANDROID, format, args);
#else
vfprintf(stderr, format, args);
#endif
}
void PrintError(const char* format, ...) {
va_list args;
va_start(args, format);
VPrintError(format, args);
va_end(args);
}
FatalMessage::FatalMessage(const char* file, int line) {
Init(file, line);
}
FatalMessage::FatalMessage(const char* file, int line, std::string* result) {
Init(file, line);
stream_ << "Check failed: " << *result << std::endl << "# ";
delete result;
}
NO_RETURN FatalMessage::~FatalMessage() {
fflush(stdout);
fflush(stderr);
stream_ << std::endl << "#" << std::endl;
PrintError(stream_.str().c_str());
fflush(stderr);
abort();
}
void FatalMessage::Init(const char* file, int line) {
stream_ << std::endl
<< std::endl
<< "#" << std::endl
<< "# Fatal error in " << file << ", line " << line << std::endl
<< "# last system error: " << RTC_LAST_SYSTEM_ERROR << std::endl
<< "# ";
}
// MSVC doesn't like complex extern templates and DLLs.
#if !defined(COMPILER_MSVC)
// Explicit instantiations for commonly used comparisons.
template std::string* MakeCheckOpString<int, int>(
const int&, const int&, const char* names);
template std::string* MakeCheckOpString<unsigned long, unsigned long>(
const unsigned long&, const unsigned long&, const char* names);
template std::string* MakeCheckOpString<unsigned long, unsigned int>(
const unsigned long&, const unsigned int&, const char* names);
template std::string* MakeCheckOpString<unsigned int, unsigned long>(
const unsigned int&, const unsigned long&, const char* names);
template std::string* MakeCheckOpString<std::string, std::string>(
const std::string&, const std::string&, const char* name);
#endif
} // namespace rtc
// Function to call from the C version of the RTC_CHECK and RTC_DCHECK macros.
NO_RETURN void rtc_FatalMessage(const char* file, int line, const char* msg) {
rtc::FatalMessage(file, line).stream() << msg;
}
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