diff options
Diffstat (limited to 'src/SBaseCommon.cpp')
| -rw-r--r-- | src/SBaseCommon.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/SBaseCommon.cpp b/src/SBaseCommon.cpp index 95bdeb4..5483f55 100644 --- a/src/SBaseCommon.cpp +++ b/src/SBaseCommon.cpp @@ -255,6 +255,21 @@ DWORD HashStringLower(const char * szFileName, DWORD dwHashType) //-----------------------------------------------------------------------------
// Calculates the hash table size for a given amount of files
+// Returns the nearest higher power of two.
+// If the value is already a power of two, returns the same value
+//static DWORD GetNearestPowerOfTwo(DWORD dwValue)
+//{
+// dwValue --;
+//
+// dwValue |= dwValue >> 1;
+// dwValue |= dwValue >> 2;
+// dwValue |= dwValue >> 4;
+// dwValue |= dwValue >> 8;
+// dwValue |= dwValue >> 16;
+//
+// return dwValue + 1;
+//}
+
DWORD GetHashTableSizeForFileCount(DWORD dwFileCount)
{
DWORD dwPowerOfTwo = HASH_TABLE_SIZE_MIN;
|