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LARGE_INTEGER replacement

develop
Petr Mrázek 2010-06-11 19:53:28 +02:00
parent 0562ce9802
commit 3f099f8928
1 changed files with 16 additions and 6 deletions
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22
library/DFProcessEnumerator.cpp
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@ -203,23 +203,33 @@ bool EnableDebugPriv()
return bRET; return bRET;
} }
typedef union
{
struct
{
uint32_t LowDword;
uint32_t HighDword;
};
uint64_t Quad;
} TWO_DWORDS;
// Convert Windows FileTime structs to POSIX timestamp // Convert Windows FileTime structs to POSIX timestamp
// from http://frenk.wordpress.com/2009/12/14/convert-filetime-to-unix-timestamp/ // from http://frenk.wordpress.com/2009/12/14/convert-filetime-to-unix-timestamp/
uint64_t FileTime_to_POSIX(FILETIME ft) uint64_t FileTime_to_POSIX(FILETIME ft)
{ {
// takes the last modified date // takes the last modified date
LARGE_INTEGER date, adjust; TWO_DWORDS date, adjust;
date.HighPart = ft.dwHighDateTime; date.HighDword = ft.dwHighDateTime;
date.LowPart = ft.dwLowDateTime; date.LowDword = ft.dwLowDateTime;
// 100-nanoseconds = milliseconds * 10000 // 100-nanoseconds = milliseconds * 10000
adjust.QuadPart = 11644473600000 * 10000; adjust.Quad = 11644473600000 * 10000;
// removes the diff between 1970 and 1601 // removes the diff between 1970 and 1601
date.QuadPart -= adjust.QuadPart; date.Quad -= adjust.Quad;
// converts back from 100-nanoseconds to seconds // converts back from 100-nanoseconds to seconds
return date.QuadPart / 10000000; return date.Quad / 10000000;
} }
void ProcessEnumerator::Private::EnumPIDs (vector <ProcessID> &PIDs) void ProcessEnumerator::Private::EnumPIDs (vector <ProcessID> &PIDs)