Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-24 01:15:09 +00:00
Code Issues Projects Releases Packages Wiki Activity

[RTL]

Browse source 
- Separate condition calculation in RtlVerifyVersionInfo into an extra function. Patch by Hermès Bélusca (2/X)
- Don't make the Hungarian more ridiculous than it needs to be
CORE-6611

svn path=/trunk/; revision=57355
This commit is contained in:
Thomas Faber 2012-09-20 20:46:08 +00:00
parent 69232d954d
commit e3cd71c6d6
1 changed files with 64 additions and 28 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

92
reactos/lib/rtl/version.c
View file

@ -3,7 +3,8 @@
* PROJECT: ReactOS system libraries
* PURPOSE: Runtime code
* FILE: lib/rtl/version.c
* PROGRAMER: Filip Navara
* PROGRAMERS: Filip Navara
* Hermes BELUSCA - MAITO
*/
/* INCLUDES *****************************************************************/
@ -23,6 +24,10 @@ RtlGetVersion(
/* FUNCTIONS ****************************************************************/
static BYTE
RtlpVerGetCondition(IN ULONGLONG dwlConditionMask,
IN DWORD dwTypeBitMask);
static BOOLEAN
RtlpVerCompare(ULONG left, ULONG right, UCHAR condition)
{
@ -67,7 +72,7 @@ RtlVerifyVersionInfo(
*/
ver.dwOSVersionInfoSize = sizeof(ver);
status = RtlGetVersion( (PRTL_OSVERSIONINFOW)&ver );
status = RtlGetVersion((PRTL_OSVERSIONINFOW)&ver);
if (status != STATUS_SUCCESS) return status;
if (!TypeMask || !ConditionMask) return STATUS_INVALID_PARAMETER;
@ -76,14 +81,14 @@ RtlVerifyVersionInfo(
{
comparison = RtlpVerCompare(ver.wProductType,
VersionInfo->wProductType,
ConditionMask >> 7 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK);
RtlpVerGetCondition(ConditionMask, VER_PRODUCT_TYPE));
if (!comparison)
return STATUS_REVISION_MISMATCH;
}
if (TypeMask & VER_SUITENAME)
{
switch (ConditionMask >> 6 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK)
switch (RtlpVerGetCondition(ConditionMask, VER_SUITENAME))
{
case VER_AND:
if ((VersionInfo->wSuiteMask & ver.wSuiteMask) != VersionInfo->wSuiteMask)
@ -106,7 +111,7 @@ RtlVerifyVersionInfo(
{
comparison = RtlpVerCompare(ver.dwPlatformId,
VersionInfo->dwPlatformId,
ConditionMask >> 3 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK);
RtlpVerGetCondition(ConditionMask, VER_PLATFORMID));
if (!comparison)
return STATUS_REVISION_MISMATCH;
}
@ -115,24 +120,21 @@ RtlVerifyVersionInfo(
{
comparison = RtlpVerCompare(ver.dwBuildNumber,
VersionInfo->dwBuildNumber,
ConditionMask >> 2 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK);
RtlpVerGetCondition(ConditionMask, VER_BUILDNUMBER));
if (!comparison)
return STATUS_REVISION_MISMATCH;
}
if (TypeMask & (VER_MAJORVERSION|VER_MINORVERSION|VER_SERVICEPACKMAJOR|VER_SERVICEPACKMINOR))
TypeMask &= VER_MAJORVERSION|VER_MINORVERSION|VER_SERVICEPACKMAJOR|VER_SERVICEPACKMINOR;
if (TypeMask)
{
UCHAR condition = 0;
BOOLEAN do_next_check = TRUE;
if (TypeMask & VER_MAJORVERSION)
condition = ConditionMask >> 1 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK;
else if (TypeMask & VER_MINORVERSION)
condition = ConditionMask >> 0 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK;
else if (TypeMask & VER_SERVICEPACKMAJOR)
condition = ConditionMask >> 5 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK;
else if (TypeMask & VER_SERVICEPACKMINOR)
condition = ConditionMask >> 4 * VER_NUM_BITS_PER_CONDITION_MASK & VER_CONDITION_MASK;
/*
* Select the leading comparison operator (for example, the comparison
* operator for VER_MAJORVERSION supersedes the others for VER_MINORVERSION,
* VER_SERVICEPACKMAJOR and VER_SERVICEPACKMINOR).
*/
BYTE condition = RtlpVerGetCondition(ConditionMask, TypeMask);
comparison = TRUE;
if (TypeMask & VER_MAJORVERSION)
@ -173,6 +175,40 @@ RtlVerifyVersionInfo(
return STATUS_SUCCESS;
}
static BYTE
RtlpVerGetCondition(IN ULONGLONG dwlConditionMask,
IN DWORD dwTypeBitMask)
{
BYTE bConditionMask = 0;
if (dwTypeBitMask & VER_PRODUCT_TYPE)
bConditionMask |= dwlConditionMask >> 7 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SUITENAME)
bConditionMask |= dwlConditionMask >> 6 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_PLATFORMID)
bConditionMask |= dwlConditionMask >> 3 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_BUILDNUMBER)
bConditionMask |= dwlConditionMask >> 2 * VER_NUM_BITS_PER_CONDITION_MASK;
/*
* We choose here the lexicographical order on the 4D space
* {(Major ; Minor ; SP Major ; SP Minor)} to select the
* appropriate comparison operator.
* Therefore the following 'else if' instructions must be in this order.
*/
else if (dwTypeBitMask & VER_MAJORVERSION)
bConditionMask |= dwlConditionMask >> 1 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_MINORVERSION)
bConditionMask |= dwlConditionMask >> 0 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SERVICEPACKMAJOR)
bConditionMask |= dwlConditionMask >> 5 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SERVICEPACKMINOR)
bConditionMask |= dwlConditionMask >> 4 * VER_NUM_BITS_PER_CONDITION_MASK;
bConditionMask &= VER_CONDITION_MASK;
return bConditionMask;
}
/*
* @implemented
*/
@ -180,32 +216,32 @@ ULONGLONG
NTAPI
VerSetConditionMask(IN ULONGLONG dwlConditionMask,
IN DWORD dwTypeBitMask,
IN BYTE dwConditionMask)
IN BYTE bConditionMask)
{
if (dwTypeBitMask == 0)
return dwlConditionMask;
dwConditionMask &= VER_CONDITION_MASK;
bConditionMask &= VER_CONDITION_MASK;
if (dwConditionMask == 0)
if (bConditionMask == 0)
return dwlConditionMask;
if (dwTypeBitMask & VER_PRODUCT_TYPE)
dwlConditionMask |= dwConditionMask << 7 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 7 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SUITENAME)
dwlConditionMask |= dwConditionMask << 6 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 6 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SERVICEPACKMAJOR)
dwlConditionMask |= dwConditionMask << 5 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 5 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_SERVICEPACKMINOR)
dwlConditionMask |= dwConditionMask << 4 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 4 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_PLATFORMID)
dwlConditionMask |= dwConditionMask << 3 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 3 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_BUILDNUMBER)
dwlConditionMask |= dwConditionMask << 2 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 2 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_MAJORVERSION)
dwlConditionMask |= dwConditionMask << 1 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 1 * VER_NUM_BITS_PER_CONDITION_MASK;
else if (dwTypeBitMask & VER_MINORVERSION)
dwlConditionMask |= dwConditionMask << 0 * VER_NUM_BITS_PER_CONDITION_MASK;
dwlConditionMask |= bConditionMask << 0 * VER_NUM_BITS_PER_CONDITION_MASK;
return dwlConditionMask;
}