mono/metadata/environment.c

   1 /*
   2  * environment.c: System.Environment support internal calls
   3  *
   4  * Authors:
   5  *      Dick Porter (dick@ximian.com)
   6  *      Sebastien Pouliot (sebastien@ximian.com)
   7  *
   8  * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
   9  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  10  */
  11
  12 #include <config.h>
  13 #include <glib.h>
  14
  15 #include <mono/metadata/appdomain.h>
  16 #include <mono/metadata/environment.h>
  17 #include <mono/metadata/exception.h>
  18 #include <mono/utils/mono-compiler.h>
  19 #include <mono/io-layer/io-layer.h>
  20
  21 extern MonoString* ves_icall_System_Environment_GetOSVersionString (void) MONO_INTERNAL;
  22
  23 #if !defined(HOST_WIN32) && defined(HAVE_SYS_UTSNAME_H)
  24 #include <sys/utsname.h>
  25 #endif
  26
  27 static gint32 exitcode=0;
  28
  29 gint32 mono_environment_exitcode_get (void)
  30 {
  31         return(exitcode);
  32 }
  33
  34 void mono_environment_exitcode_set (gint32 value)
  35 {
  36         exitcode=value;
  37 }
  38
  39 /* note: we better manipulate the string in managed code (easier and safer) */
  40 MonoString*
  41 ves_icall_System_Environment_GetOSVersionString (void)
  42 {
  43 #ifdef HOST_WIN32
  44         OSVERSIONINFOEX verinfo;
  45
  46         MONO_ARCH_SAVE_REGS;
  47
  48         verinfo.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
  49         if (GetVersionEx ((OSVERSIONINFO*)&verinfo)) {
  50                 char version [128];
  51                 /* maximum string length is 45 bytes
  52                    4 x 10 bytes per number, 1 byte for 0, 3 x 1 byte for dots, 1 for NULL */
  53                 sprintf (version, "%ld.%ld.%ld.%d",
  54                                  verinfo.dwMajorVersion,
  55                                  verinfo.dwMinorVersion,
  56                                  verinfo.dwBuildNumber,
  57                                  verinfo.wServicePackMajor << 16);
  58                 return mono_string_new (mono_domain_get (), version);
  59         }
  60 #elif defined(HAVE_SYS_UTSNAME_H)
  61         struct utsname name;
  62
  63         MONO_ARCH_SAVE_REGS;
  64
  65         if (uname (&name) >= 0) {
  66                 return mono_string_new (mono_domain_get (), name.release);
  67         }
  68 #endif
  69         return mono_string_new (mono_domain_get (), "0.0.0.0");
  70 }
  71