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6642034: System.getProperty("os.name") returns Windows Vista on Windows Server 2008 (longhorn)

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Reviewed-by: iris
This commit is contained in:
Martin Buchholz 2008-03-10 14:32:51 -07:00
parent abde1241e1
commit 4385dbf930
1 changed files with 18 additions and 5 deletions
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23
jdk/src/windows/native/java/lang/java_props_md.c
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@ -673,13 +673,13 @@ GetJavaProperties(JNIEnv* env)
/* OS properties */
{
char buf[100];
OSVERSIONINFO ver;
OSVERSIONINFOEX ver;
ver.dwOSVersionInfoSize = sizeof(ver);
GetVersionEx(&ver);
GetVersionEx((OSVERSIONINFO *) &ver);
/*
* From msdn page on OSVERSIONINFOEX, current as of this
* writing decoding of dwMajorVersion and dwMinorVersion.
* writing, decoding of dwMajorVersion and dwMinorVersion.
*
* Operating system dwMajorVersion dwMinorVersion
* ================== ============== ==============
@ -692,7 +692,7 @@ GetJavaProperties(JNIEnv* env)
* Windows 2000 5 0
* Windows XP 5 1
* Windows Server 2003 family 5 2
* Windows Vista 6 0
* Windows Vista family 6 0
*
* This mapping will presumably be augmented as new Windows
* versions are released.
@ -724,7 +724,20 @@ GetJavaProperties(JNIEnv* env)
default: sprops.os_name = "Windows NT (unknown)"; break;
}
} else if (ver.dwMajorVersion == 6) {
sprops.os_name = "Windows Vista";
/*
* From MSDN OSVERSIONINFOEX documentation:
*
* "Because the version numbers for Windows Server 2008
* and Windows Vista are identical, you must also test
* whether the wProductType member is VER_NT_WORKSTATION.
* If wProductType is VER_NT_WORKSTATION, the operating
* system is Windows Vista; otherwise, it is Windows
* Server 2008."
*/
if (ver.wProductType == VER_NT_WORKSTATION)
sprops.os_name = "Windows Vista";
else
sprops.os_name = "Windows Server 2008";
} else {
sprops.os_name = "Windows NT (unknown)";
}