text: /*
   * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
   * Copyright (C) 2007-2009 Torch Mobile, Inc.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "config.h"
  #include "Assertions.h"
  
  #include <stdio.h>
  #include <stdarg.h>
  #include <string.h>
  
  #if PLATFORM(MAC)
  #include <CoreFoundation/CFString.h>
  #endif
  
  #if COMPILER(MSVC) 
  #ifndef WINVER
  #define WINVER 0x0500
  #endif
  #ifndef _WIN32_WINNT
  #define _WIN32_WINNT 0x0500
  #endif
  #include <windows.h>
  #include <crtdbg.h>
  #endif
  
  
  extern "C" {
  
  WTF_ATTRIBUTE_PRINTF(1, 0)
  static void vprintf_stderr_common(const char* format, va_list args)
  {
  #if PLATFORM(MAC)
      if (strstr(format, "%@")) {
          CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);
          CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);
  
          int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
          char* buffer = (char*)malloc(length + 1);
  
          CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);
  
          fputs(buffer, stderr);
  
          free(buffer);
          CFRelease(str);
          CFRelease(cfFormat);
      } else
  #elif COMPILER(MSVC)  
  	 if (IsDebuggerPresent()) {
          size_t size = 1024;
  
          do {
              char* buffer = (char*)malloc(size);
  
              if (buffer == NULL)
                  break;
  
              if (_vsnprintf(buffer, size, format, args) != -1) {
                  OutputDebugStringA(buffer);
                  free(buffer);
                  break;
              }
  
              free(buffer);
              size *= 2;
          } while (size > 1024);
      }
  #endif
      vfprintf(stderr, format, args);
  }
  
  WTF_ATTRIBUTE_PRINTF(1, 2)
  static void printf_stderr_common(const char* format, ...)
  {
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
  }
  
  static void printCallSite(const char* file, int line, const char* function)
  {
  #if OS(WIN) && defined _DEBUG
      _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
  #else
      printf_stderr_common("(%s:%d %s)\n", file, line, function);
  #endif
  }
  
  void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
  {
      if (assertion)
          printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
      else
          printf_stderr_common("SHOULD NEVER BE REACHED\n");
      printCallSite(file, line, function);
  }
  
  void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
  {
      printf_stderr_common("ASSERTION FAILED: ");
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
      printf_stderr_common("\n%s\n", assertion);
      printCallSite(file, line, function);
  }
  
  void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
  {
      printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
      printCallSite(file, line, function);
  }
  
  void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
  {
      printf_stderr_common("FATAL ERROR: ");
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
      printf_stderr_common("\n");
      printCallSite(file, line, function);
  }
  
  void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
  {
      printf_stderr_common("ERROR: ");
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
      printf_stderr_common("\n");
      printCallSite(file, line, function);
  }
  
  void WTFLog(WTFLogChannel* channel, const char* format, ...)
  {
      if (channel->state != WTFLogChannelOn)
          return;
  
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
      if (format[strlen(format) - 1] != '\n')
          printf_stderr_common("\n");
  }
  
  void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
  {
      if (channel->state != WTFLogChannelOn)
          return;
  
      va_list args;
      va_start(args, format);
      vprintf_stderr_common(format, args);
      va_end(args);
      if (format[strlen(format) - 1] != '\n')
          printf_stderr_common("\n");
      printCallSite(file, line, function);
  }
  
  } // extern "C"
  