static void hexstrTest() {
unsigned char buf[6] = {1, 2, 33, 255, 0, 18};
unsigned char buf2[6] = {0};
AutoFree s(_MemToHex(&buf));
utassert(str::Eq(s, "010221ff0012"));
bool ok = _HexToMem(s, &buf2);
utassert(ok);
utassert(memeq(buf, buf2, sizeof(buf)));
FILETIME ft1, ft2;
GetSystemTimeAsFileTime(&ft1);
s.Set(_MemToHex(&ft1));
_HexToMem(s, &ft2);
DWORD diff = FileTimeDiffInSecs(ft1, ft2);
utassert(0 == diff);
utassert(FileTimeEq(ft1, ft2));
s.Set(str::MemToHex(nullptr, 0));
utassert(str::Eq(s, ""));
ok = str::HexToMem(s, nullptr, 0);
utassert(ok);
}
// 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());
}
