src/libgdl/gdl-win32.c

   1 /*
   2  * Windows stuff
   3  *
   4  * Author:
   5  *   Albin Sunnanbo
   6  *   Based on code by Lauris Kaplinski <lauris@kaplinski.com> (/src/extension/internal/win32.cpp)
   7  *
   8  * This code is in public domain
   9  */
  10
  11 #ifdef HAVE_CONFIG_H
  12 # include "config.h"
  13 #endif
  14
  15 #include "gdl-win32.h"
  16
  17 /* Platform detection */
  18 gboolean
  19 is_os_vista()
  20 {
  21         static gboolean initialized = FALSE;
  22         static gboolean is_vista = FALSE;
  23         static OSVERSIONINFOA osver;
  24
  25         if ( !initialized )
  26         {
  27                 BOOL result;
  28
  29                 initialized = TRUE;
  30
  31                 memset (&osver, 0, sizeof(OSVERSIONINFOA));
  32                 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
  33                 result = GetVersionExA (&osver);
  34                 if (result)
  35                 {
  36                         if (osver.dwMajorVersion == WIN32_MAJORVERSION_VISTA)
  37                                 is_vista = TRUE;
  38                 }
  39         }
  40
  41         return is_vista;
  42 }