Home | History | Annotate | Download | only in os 
      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