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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008-2010 Vmware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28.  
  29. #include "os_misc.h"
  30.  
  31. #include <stdarg.h>
  32.  
  33.  
  34. #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
  35.  
  36. #ifndef WIN32_LEAN_AND_MEAN
  37. #define WIN32_LEAN_AND_MEAN      // Exclude rarely-used stuff from Windows headers
  38. #endif
  39. #include <windows.h>
  40. #include <stdio.h>
  41.  
  42. #else
  43.  
  44. #include <stdio.h>
  45. #include <stdlib.h>
  46.  
  47. #endif
  48.  
  49.  
  50. void
  51. os_log_message(const char *message)
  52. {
  53.    /* If the GALLIUM_LOG_FILE environment variable is set to a valid filename,
  54.     * write all messages to that file.
  55.     */
  56.    static FILE *fout = NULL;
  57.  
  58.    if (!fout) {
  59.       /* one-time init */
  60.       const char *filename = os_get_option("GALLIUM_LOG_FILE");
  61.       if (filename)
  62.          fout = fopen(filename, "w");
  63.       if (!fout)
  64.          fout = stderr;
  65.    }
  66.  
  67. #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
  68.    OutputDebugStringA(message);
  69.    if(GetConsoleWindow() && !IsDebuggerPresent()) {
  70.       fflush(stdout);
  71.       fputs(message, fout);
  72.       fflush(fout);
  73.    }
  74.    else if (fout != stderr) {
  75.       fputs(message, fout);
  76.       fflush(fout);
  77.    }
  78. #else /* !PIPE_SUBSYSTEM_WINDOWS */
  79.    fflush(stdout);
  80.    fputs(message, fout);
  81.    fflush(fout);
  82. #endif
  83. }
  84.  
  85.  
  86. const char *
  87. os_get_option(const char *name)
  88. {
  89.    return getenv(name);
  90. }
  91.  
  92.