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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
// This is a stripped down version of the Chromium source file base/logging.cc
// This prevents dependency on the Chromium logging and dependency creep in
// general.
// At some point we should find a way to hook this into our own logging see
// The formatting in this file matches the original Chromium file to aid future
// merging.
#include "base/logging.h"
#if defined(OS_WIN)
#include <windows.h>
#endif
#if defined(OS_POSIX)
#include <errno.h>
#endif
#if defined(OS_WIN)
#include "base/strings/utf_string_conversions.h"
#endif
#include <algorithm>
#include "mozilla/Assertions.h"
#include "mozilla/Unused.h"
namespace logging {
namespace {
int g_min_log_level = 0;
LoggingDestination g_logging_destination = LOG_DEFAULT;
// For LOG_ERROR and above, always print to stderr.
const int kAlwaysPrintErrorLevel = LOG_ERROR;
// A log message handler that gets notified of every log message we process.
LogMessageHandlerFunction log_message_handler = nullptr;
} // namespace
// This is never instantiated, it's just used for EAT_STREAM_PARAMETERS to have
// an object of the correct type on the LHS of the unused part of the ternary
// operator.
std::ostream* g_swallow_stream;
void SetMinLogLevel(int level) {
g_min_log_level = std::min(LOG_FATAL, level);
}
int GetMinLogLevel() {
return g_min_log_level;
}
bool ShouldCreateLogMessage(int severity) {
if (severity < g_min_log_level)
return false;
// Return true here unless we know ~LogMessage won't do anything. Note that
// ~LogMessage writes to stderr if severity_ >= kAlwaysPrintErrorLevel, even
// when g_logging_destination is LOG_NONE.
return g_logging_destination != LOG_NONE || log_message_handler ||
severity >= kAlwaysPrintErrorLevel;
}
int GetVlogLevelHelper(const char* file, size_t N) {
return 0;
}
// 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);
LogMessage::LogMessage(const char* file, int line, LogSeverity severity)
: severity_(severity), file_(file), line_(line) {
}
LogMessage::LogMessage(const char* file, int line, const char* condition)
: severity_(LOG_FATAL), file_(file), line_(line) {
}
LogMessage::LogMessage(const char* file, int line, std::string* result)
: severity_(LOG_FATAL), file_(file), line_(line) {
delete result;
}
LogMessage::LogMessage(const char* file, int line, LogSeverity severity,
std::string* result)
: severity_(severity), file_(file), line_(line) {
delete result;
}
LogMessage::~LogMessage() {
if (severity_ == LOG_FATAL) {
MOZ_CRASH("Hit fatal chromium sandbox condition.");
}
}
SystemErrorCode GetLastSystemErrorCode() {
#if defined(OS_WIN)
return ::GetLastError();
#elif defined(OS_POSIX)
return errno;
#else
#error Not implemented
#endif
}
#if defined(OS_WIN)
Win32ErrorLogMessage::Win32ErrorLogMessage(const char* file,
int line,
LogSeverity severity,
SystemErrorCode err)
: err_(err),
log_message_(file, line, severity) {
mozilla::Unused << err_;
}
Win32ErrorLogMessage::~Win32ErrorLogMessage() {
}
#elif defined(OS_POSIX)
ErrnoLogMessage::ErrnoLogMessage(const char* file,
int line,
LogSeverity severity,
SystemErrorCode err)
: err_(err),
log_message_(file, line, severity) {
mozilla::Unused << err_;
}
ErrnoLogMessage::~ErrnoLogMessage() {
}
#endif // OS_WIN
void RawLog(int level, const char* message) {
}
} // namespace logging
#if defined(OS_WIN)
std::ostream& std::operator<<(std::ostream& out, const wchar_t* wstr) {
return out << base::WideToUTF8(std::wstring(wstr));
}
#endif