2002-04-07 Adam King <aking@dreammechanics.com>

	* java/lang/natSystem.cc (init_properties): Call new function
	_Jv_platform_initProperties.
	* win32 (_Jv_platform_initProperties): New function that adds Win32
	support for the System properties os.name, os.arch, os.version,
	user.name, user.home, and user.dir.
	* include/posix.h, include/win32.h, posix.cc: New function
	_Jv_platform_initProperties.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51989 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index d3fd682..e29b4d2 100644 (file)
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,13 @@
+2002-04-07  Adam King <aking@dreammechanics.com>
+
+       * java/lang/natSystem.cc (init_properties): Call new function
+       _Jv_platform_initProperties.
+       * win32 (_Jv_platform_initProperties): New function that adds Win32 
+       support for the System properties os.name, os.arch, os.version, 
+       user.name, user.home, and user.dir.
+       * include/posix.h, include/win32.h, posix.cc: New function
+       _Jv_platform_initProperties.
+
 2002-04-06  Mark Wielaard <mark@klomp.org>
 
        * java/lang/Character,java (isDefined): getType() != UNASSIGNED.

diff --git a/libjava/include/posix.h b/libjava/include/posix.h
index 7e9aaf5..8fa782f 100644 (file)
--- a/libjava/include/posix.h
+++ b/libjava/include/posix.h
@@ -34,10 +34,12 @@ details.  */
 #include <fcntl.h>
 
 #include <gcj/cni.h>
+#include <java/util/Properties.h>
 
 extern int _Jv_select (int n, fd_set *, fd_set *, fd_set *, struct timeval *);
 extern jlong _Jv_platform_gettimeofday ();
 extern void _Jv_platform_initialize (void);
+extern void _Jv_platform_initProperties (java::util::Properties*);
 
 inline void
 _Jv_platform_close_on_exec (jint fd)

diff --git a/libjava/include/win32.h b/libjava/include/win32.h
index 9d8bdfb..9a8a769 100644 (file)
--- a/libjava/include/win32.h
+++ b/libjava/include/win32.h
@@ -17,8 +17,10 @@ details.  */
 #undef __INSIDE_CYGWIN__
 #include <winsock.h>
 #include <gcj/cni.h>
+#include <java/util/Properties.h>
 
 extern void _Jv_platform_initialize (void);
+extern void _Jv_platform_initProperties (java::util::Properties*);
 extern jlong _Jv_platform_gettimeofday ();
 
 inline void

diff --git a/libjava/java/lang/natSystem.cc b/libjava/java/lang/natSystem.cc
index 958e78c..b8467f2 100644 (file)
--- a/libjava/java/lang/natSystem.cc
+++ b/libjava/java/lang/natSystem.cc
@@ -333,22 +333,6 @@ java::lang::System::init_properties (void)
   
   SET ("file.encoding", default_file_encoding);
 
-#ifdef WIN32
-  SET ("file.separator", "\\");
-  SET ("path.separator", ";");
-  SET ("line.separator", "\r\n");
-  SET ("java.io.tmpdir", "C:\\temp");
-#else
-  // Unix.
-  SET ("file.separator", "/");
-  SET ("path.separator", ":");
-  SET ("line.separator", "\n");
-  char *tmpdir = ::getenv("TMPDIR");
-  if (! tmpdir)
-    tmpdir = "/tmp";
-  SET ("java.io.tmpdir", tmpdir);
-#endif
-
 #ifdef HAVE_UNAME
   struct utsname u;
   if (! uname (&u))
@@ -515,6 +499,10 @@ java::lang::System::init_properties (void)
       newprops->put(JvNewStringLatin1 ("java.class.path"),
                      sb->toString ());
     }
+
+  // Allow platform specific settings and overrides.
+  _Jv_platform_initProperties (newprops);
+
   // Finally, set the field. This ensures that concurrent getProperty() 
   // calls will return initialized values without requiring them to be 
   // synchronized in the common case.

diff --git a/libjava/posix.cc b/libjava/posix.cc
index 6b0ea8c..ebff1c9 100644 (file)
--- a/libjava/posix.cc
+++ b/libjava/posix.cc
@@ -12,12 +12,14 @@ details.  */
 
 #include "posix.h"
 
+#include <stdlib.h>
 #include <errno.h>
 #include <signal.h>
 
 #include <jvm.h>
 #include <java/lang/Thread.h>
 #include <java/io/InterruptedIOException.h>
+#include <java/util/Properties.h>
 
 #if defined (ECOS)
 extern "C" unsigned long long _clock (void);
@@ -62,6 +64,23 @@ _Jv_platform_initialize (void)
 #endif
 }
 
+// Set platform-specific System properties.
+void
+_Jv_platform_initProperties (java::util::Properties* newprops)
+{
+  // A convenience define.
+#define SET(Prop,Val) \
+  newprops->put(JvNewStringLatin1 (Prop), JvNewStringLatin1 (Val))
+
+  SET ("file.separator", "/");
+  SET ("path.separator", ":");
+  SET ("line.separator", "\n");
+  char *tmpdir = ::getenv("TMPDIR");
+  if (! tmpdir)
+    tmpdir = "/tmp";
+  SET ("java.io.tmpdir", tmpdir);
+}
+
 static inline void
 internal_gettimeofday (struct timeval *result)
 {

diff --git a/libjava/win32.cc b/libjava/win32.cc
index 57c6378..78f57b3 100644 (file)
--- a/libjava/win32.cc
+++ b/libjava/win32.cc
@@ -11,9 +11,11 @@ details.  */
 #include <config.h>
 #include <jvm.h>
 #include <sys/timeb.h>
+#include <stdlib.h>
 
 #include "platform.h"
 #include <java/lang/ArithmeticException.h>
+#include <java/util/Properties.h>
 
 static LONG CALLBACK
 win32_exception_handler (LPEXCEPTION_POINTERS e)
@@ -62,3 +64,131 @@ __mingwthr_key_dtor (DWORD, void (*) (void *))
   //        approximately 24 bytes per thread created.
   return 0;
 }
+
+// Set platform-specific System properties.
+void
+_Jv_platform_initProperties (java::util::Properties* newprops)
+{
+  // A convenience define.
+#define SET(Prop,Val) \
+  newprops->put(JvNewStringLatin1 (Prop), JvNewStringLatin1 (Val))
+
+  SET ("file.separator", "\\");
+  SET ("path.separator", ";");
+  SET ("line.separator", "\r\n");
+  SET ("java.io.tmpdir", "C:\\temp");
+
+  // Use GetCurrentDirectory to set 'user.dir'.
+  DWORD buflen = MAX_PATH;
+  char* buffer = (char *) malloc (buflen);
+  if (buffer != NULL)
+    {
+      if (GetCurrentDirectory (buflen, buffer))
+          SET ("user.dir", buffer);
+      free (buffer);
+    }
+  
+  // Use GetUserName to set 'user.name'.
+  buflen = 257;  // UNLEN + 1
+  buffer = (char *) malloc (buflen);
+  if (buffer != NULL)
+    {
+      if (GetUserName (buffer, &buflen))
+        SET ("user.name", buffer);
+      free (buffer);
+    }
+
+  // According to the api documentation for 'GetWindowsDirectory()', the 
+  // environmental variable HOMEPATH always specifies the user's home 
+  // directory or a default directory.  On the 3 windows machines I checked
+  // only 1 had it set.  If it's not set, JDK1.3.1 seems to set it to
+  // the windows directory, so we'll do the same.
+  char* userHome = NULL;
+  if ((userHome = ::getenv( "HOMEPATH" )) == NULL )
+    {
+      // Check HOME since it's what I use.
+      if ((userHome = ::getenv( "HOME" )) == NULL )
+        {
+          // Not found - use the windows directory like JDK1.3.1 does.
+          char* winHome = (char *)malloc (MAX_PATH);
+          if ( winHome != NULL )
+            {
+              if (GetWindowsDirectory (winHome, MAX_PATH))
+                  SET ("user.home", winHome);
+              free (winHome);
+            }
+        }
+     }
+  if( userHome != NULL )
+    SET ("user.home", userHome);
+
+  // Get and set some OS info.
+  OSVERSIONINFO osvi;
+  ZeroMemory (&osvi, sizeof(OSVERSIONINFO));
+  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+  if (GetVersionEx (&osvi))
+    {
+      char *buffer = (char *) malloc (30);
+      if (buffer != NULL)
+        {
+          sprintf (buffer, "%d.%d", (int)osvi.dwMajorVersion, (int)osvi.dwMinorVersion);
+          SET ("os.version", buffer);
+          free (buffer);
+        }
+
+      switch (osvi.dwPlatformId)
+        {
+          case VER_PLATFORM_WIN32_WINDOWS:
+            if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
+              SET ("os.name", "Windows 95");
+            else if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
+              SET ("os.name", "Windows 98");
+            else if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
+              SET ("os.name", "Windows Me");
+            else
+              SET ("os.name", "Windows ??"); 
+            break;
+
+          case VER_PLATFORM_WIN32_NT:
+            if (osvi.dwMajorVersion <= 4 )
+              SET ("os.name", "Windows NT");
+            else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
+              SET ("os.name", "Windows 2000");
+            else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
+              SET ("os.name", "Windows XP");
+            else
+              SET ("os.name", "Windows NT ??");
+            break;
+
+          default:
+            SET ("os.name", "Windows UNKNOWN");
+            break;
+       }
+  }
+
+  // Set the OS architecture.
+  SYSTEM_INFO si;
+  GetSystemInfo (&si);
+  switch( si.dwProcessorType )
+    {
+      case PROCESSOR_INTEL_386:
+        SET ("os.arch", "i386");
+        break;
+      case PROCESSOR_INTEL_486:
+        SET ("os.arch", "i486");
+        break;
+      case PROCESSOR_INTEL_PENTIUM:
+        SET ("os.arch", "i586");
+        break;
+      case PROCESSOR_MIPS_R4000:       
+        SET ("os.arch", "MIPS4000");
+        break;
+      case PROCESSOR_ALPHA_21064:
+        SET ("os.arch", "ALPHA");
+        break;
+      default:
+        SET ("os.arch", "unknown");
+        break;
+    }
+}
+