src/gallium/auxiliary/os/os_misc.c

   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