static void BenchMD5Size(void *data, size_t dataSize, char *desc)
{
unsigned char d1[16], d2[16];
Timer t1;
CalcMD5Digest((unsigned char*)data, dataSize, d1);
double dur1 = t1.GetTimeInMs();
Timer t2;
CalcMD5DigestWin(data, dataSize, d2);
bool same = memeq(d1, d2, 16);
CrashAlwaysIf(!same);
double dur2 = t2.GetTimeInMs();
double diff = dur1 - dur2;
printf("%s\nCalcMD5Digest : %f ms\nCalcMD5DigestWin: %f ms\ndiff: %f\n", desc, dur1, dur2, diff);
}
// TODO: create in TEMP directory instead?
static WCHAR *GetThumbnailPath(const WCHAR *filePath)
{
// create a fingerprint of a (normalized) path for the file name
// I'd have liked to also include the file's last modification time
// in the fingerprint (much quicker than hashing the entire file's
// content), but that's too expensive for files on slow drives
unsigned char digest[16];
ScopedMem<char> pathU(str::conv::ToUtf8(filePath));
if (path::HasVariableDriveLetter(filePath))
pathU[0] = '?'; // ignore the drive letter, if it might change
CalcMD5Digest((unsigned char *)pathU.Get(), str::Len(pathU), digest);
ScopedMem<char> fingerPrint(str::MemToHex(digest, 16));
ScopedMem<WCHAR> thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
if (!thumbsPath)
return NULL;
ScopedMem<WCHAR> fname(str::conv::FromAnsi(fingerPrint));
return str::Format(L"%s\\%s.png", thumbsPath, fname);
}
// TODO: create in TEMP directory instead?
static WCHAR* GetThumbnailPath(const WCHAR* filePath) {
// create a fingerprint of a (normalized) path for the file name
// I'd have liked to also include the file's last modification time
// in the fingerprint (much quicker than hashing the entire file's
// content), but that's too expensive for files on slow drives
unsigned char digest[16];
// TODO: why is this happening? Seen in crash reports e.g. 35043
if (!filePath)
return nullptr;
OwnedData pathU(str::conv::ToUtf8(filePath));
if (!pathU.Get())
return nullptr;
if (path::HasVariableDriveLetter(filePath))
pathU.Get()[0] = '?'; // ignore the drive letter, if it might change
CalcMD5Digest((unsigned char*)pathU.Get(), str::Len(pathU.Get()), digest);
AutoFree fingerPrint(_MemToHex(&digest));
AutoFreeW thumbsPath(AppGenDataFilename(THUMBNAILS_DIR_NAME));
if (!thumbsPath)
return nullptr;
AutoFreeW fname(str::conv::FromAnsi(fingerPrint));
return str::Format(L"%s\\%s.png", thumbsPath.Get(), fname.Get());
}
