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- ported RtlVerifyVersionInfo from wine

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- moved version functions in kernel32 into their own file

svn path=/trunk/; revision=14380
This commit is contained in:
Thomas Bluemel 2005-03-29 15:22:44 +00:00
parent 911b9d27ae
commit 9ad486dd0a
7 changed files with 428 additions and 206 deletions
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153
reactos/lib/kernel32/misc/env.c
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@ -219,159 +219,6 @@ SetEnvironmentVariableW (
}
/*
* @implemented
*/
DWORD
STDCALL
GetVersion(VOID)
{
PPEB pPeb = NtCurrentPeb();
DWORD nVersion;
nVersion = MAKEWORD(pPeb->OSMajorVersion, pPeb->OSMinorVersion);
/* behave consistently when posing as another operating system */
/* build number */
if(pPeb->OSPlatformId != VER_PLATFORM_WIN32_WINDOWS)
nVersion |= ((DWORD)(pPeb->OSBuildNumber)) << 16;
/* non-NT platform flag */
if(pPeb->OSPlatformId != VER_PLATFORM_WIN32_NT)
nVersion |= 0x80000000;
return nVersion;
}
/*
* @implemented
*/
BOOL
STDCALL
GetVersionExW(
LPOSVERSIONINFOW lpVersionInformation
)
{
NTSTATUS Status;
if(lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOW) &&
lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXW))
{
/* for some reason win sets ERROR_INSUFFICIENT_BUFFER even if it is large
enough but doesn't match the exact sizes supported, ERROR_INVALID_PARAMETER
would've been much more appropriate... */
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
Status = RtlGetVersion((PRTL_OSVERSIONINFOW)lpVersionInformation);
if(NT_SUCCESS(Status))
{
int ln, maxlen;
/* append a reactos specific string to the szCSDVersion string */
/* FIXME - we shouldn't do this when there is a (ros-specific) compatibility
flag set so we don't screw applications that might depend on a
certain string */
ln = wcslen(lpVersionInformation->szCSDVersion) + 1;
maxlen = (sizeof(lpVersionInformation->szCSDVersion) / sizeof(lpVersionInformation->szCSDVersion[0]) - 1);
if(maxlen > ln)
{
PWCHAR szVer = lpVersionInformation->szCSDVersion + ln;
RtlZeroMemory(szVer, (maxlen - ln + 1) * sizeof(WCHAR));
wcsncpy(szVer,
L"ReactOS " KERNEL_VERSION_STR L" (Build " KERNEL_VERSION_BUILD_STR L")",
maxlen - ln);
}
return TRUE;
}
return FALSE;
}
/*
* @implemented
*/
BOOL
STDCALL
GetVersionExA(
LPOSVERSIONINFOA lpVersionInformation
)
{
OSVERSIONINFOEXW viw;
RtlZeroMemory(&viw, sizeof(viw));
switch(lpVersionInformation->dwOSVersionInfoSize)
{
case sizeof(OSVERSIONINFOA):
viw.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
break;
case sizeof(OSVERSIONINFOEXA):
viw.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
break;
default:
/* for some reason win sets ERROR_INSUFFICIENT_BUFFER even if it is large
enough but doesn't match the exact sizes supported, ERROR_INVALID_PARAMETER
would've been much more appropriate... */
SetLastError(ERROR_INSUFFICIENT_BUFFER);
return FALSE;
}
if(GetVersionExW((LPOSVERSIONINFOW)&viw))
{
ANSI_STRING CSDVersionA;
UNICODE_STRING CSDVersionW;
/* copy back fields that match both supported structures */
lpVersionInformation->dwMajorVersion = viw.dwMajorVersion;
lpVersionInformation->dwMinorVersion = viw.dwMinorVersion;
lpVersionInformation->dwBuildNumber = viw.dwBuildNumber;
lpVersionInformation->dwPlatformId = viw.dwPlatformId;
/* convert the win version string */
RtlInitUnicodeString(&CSDVersionW, viw.szCSDVersion);
CSDVersionA.Length = 0;
CSDVersionA.MaximumLength = sizeof(lpVersionInformation->szCSDVersion);
CSDVersionA.Buffer = lpVersionInformation->szCSDVersion;
RtlUnicodeStringToAnsiString(&CSDVersionA, &CSDVersionW, FALSE);
/* convert the ReactOS version string */
CSDVersionW.Buffer = viw.szCSDVersion + CSDVersionW.Length / sizeof(WCHAR) + 1;
CSDVersionW.MaximumLength = sizeof(viw.szCSDVersion) - (CSDVersionW.Length + sizeof(WCHAR));
CSDVersionW.Length = wcslen(CSDVersionW.Buffer) * sizeof(WCHAR);
CSDVersionA.Buffer = lpVersionInformation->szCSDVersion + CSDVersionA.Length + 1;
CSDVersionA.MaximumLength = sizeof(lpVersionInformation->szCSDVersion) - (CSDVersionA.Length + 1);
CSDVersionA.Length = 0;
RtlUnicodeStringToAnsiString(&CSDVersionA, &CSDVersionW, FALSE);
/* copy back the extended fields */
if(viw.dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXW))
{
((LPOSVERSIONINFOEXA)lpVersionInformation)->wServicePackMajor = viw.wServicePackMajor;
((LPOSVERSIONINFOEXA)lpVersionInformation)->wServicePackMinor = viw.wServicePackMinor;
((LPOSVERSIONINFOEXA)lpVersionInformation)->wSuiteMask = viw.wSuiteMask;
((LPOSVERSIONINFOEXA)lpVersionInformation)->wProductType = viw.wProductType;
((LPOSVERSIONINFOEXA)lpVersionInformation)->wReserved = viw.wReserved;
}
return TRUE;
}
return FALSE;
}
/*
* @implemented
*/