| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| #include <cstdio> |
| |
| #ifdef _WINDOWS |
| #include <windows.h> |
| #endif |
| |
| #include "Debug.h" |
| |
| #ifdef GWT_DEBUGDISABLE |
| // Dummy implementations for when debugging has been disabled |
| Debug::DebugStream& Debug::flush(Debug::DebugStream& dbg) { |
| return dbg; |
| } |
| |
| void Debug::logFinish() {} |
| |
| void Debug::logString(const char* str) {} |
| |
| #else |
| // Warning: this function is inlined in the manipulator output operator in DebugStream. |
| // It only remains here because some compiler/linker combinations such as MSVC will |
| // give unresolved symbol errors if it isn't -- GCC, for example, will completely remove |
| // all traces of this method. |
| Debug::DebugStream& Debug::flush(Debug::DebugStream& dbg) { |
| Debug::logFinish(); |
| return dbg; |
| } |
| |
| // These methods are implemented in an Objective-C++ file on OSX |
| #if !defined(__APPLE_CC__) || defined(__mac) |
| |
| #ifdef _WINDOWS |
| #define DEBUG_BUF_SIZE 2048 |
| |
| static char buf[DEBUG_BUF_SIZE + 3]; // room for CR NL Null |
| static char *bufPtr = buf; |
| #endif |
| |
| void Debug::logFinish() { |
| #ifdef _WINDOWS |
| logString("\r\n"); |
| ::OutputDebugStringA(buf); |
| bufPtr = buf; |
| #else |
| putchar('\n'); |
| #endif |
| } |
| |
| // logStart may be called multiple times per logFinish |
| void Debug::logStart(LogLevel level) { |
| } |
| |
| void Debug::logString(const char* str) { |
| #ifdef _WINDOWS |
| size_t len = strlen(str); |
| size_t buflen = DEBUG_BUF_SIZE - (bufPtr - buf); |
| if (len >= buflen) { |
| len = buflen - 1; |
| } |
| strncpy_s(bufPtr, buflen, str, len); |
| bufPtr += len; |
| #else |
| printf("%s", str); |
| #endif |
| } |
| #endif |
| #endif |
| |