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Fixed time conversion in FileSetFileTime. #3508

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This commit is contained in:
Armin Novak 2017-02-13 14:37:13 +01:00
parent 842a8c57ec
commit c90a0be205
1 changed files with 29 additions and 26 deletions
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55
winpr/libwinpr/file/file.c
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@ -353,8 +353,18 @@ static BOOL FileUnlockFileEx(HANDLE hFile, DWORD dwReserved, DWORD nNumberOfByte
return TRUE;
}
static BOOL FileSetFileTime(HANDLE hFile, const FILETIME *lpCreationTime,
const FILETIME *lpLastAccessTime, const FILETIME *lpLastWriteTime)
static UINT64 FileTimeToUS(const FILETIME* ft)
{
const UINT64 EPOCH_DIFF = 11644473600ULL * 1000000ULL;
UINT64 tmp = ((UINT64)ft->dwHighDateTime) << 32
| ft->dwLowDateTime;
tmp /= 10; /* 100ns steps to 1us step */
tmp -= EPOCH_DIFF;
return tmp;
}
static BOOL FileSetFileTime(HANDLE hFile, const FILETIME* lpCreationTime,
const FILETIME* lpLastAccessTime, const FILETIME* lpLastWriteTime)
{
int rc;
#if defined(__APPLE__) || defined(ANDROID) || defined(__FreeBSD__)
@ -365,16 +375,18 @@ static BOOL FileSetFileTime(HANDLE hFile, const FILETIME *lpCreationTime,
struct timespec times[2]; /* last access, last modification */
#endif
WINPR_FILE* pFile = (WINPR_FILE*)hFile;
const UINT64 EPOCH_DIFF = 11644473600ULL;
if (!hFile)
return FALSE;
#if defined(__APPLE__) || defined(ANDROID) || defined(__FreeBSD__)
rc = fstat(fileno(pFile->fp), &buf);
if (rc < 0)
return FALSE;
#endif
if (!lpLastAccessTime)
{
#if defined(__FreeBSD__) || defined(__APPLE__)
@ -394,21 +406,16 @@ static BOOL FileSetFileTime(HANDLE hFile, const FILETIME *lpCreationTime,
}
else
{
UINT64 tmp = ((UINT64)lpLastAccessTime->dwHighDateTime) << 32
| lpLastAccessTime->dwLowDateTime;
tmp -= EPOCH_DIFF;
tmp /= 10ULL;
UINT64 tmp = FileTimeToUS(lpLastAccessTime);
#if defined(ANDROID) || defined(__FreeBSD__) || defined(__APPLE__)
tmp /= 10000ULL;
timevals[0].tv_sec = tmp / 10000ULL;
timevals[0].tv_usec = tmp % 10000ULL;
timevals[0].tv_sec = tmp / 1000000ULL;
timevals[0].tv_usec = tmp % 1000000ULL;
#else
times[0].tv_sec = tmp / 10000000ULL;
times[0].tv_nsec = tmp % 10000000ULL;
times[0].tv_sec = tmp / 1000000ULL;
times[0].tv_nsec = (tmp % 1000000ULL) * 1000ULL;
#endif
}
if (!lpLastWriteTime)
{
#if defined(__FreeBSD__) || defined(__APPLE__)
@ -428,19 +435,13 @@ static BOOL FileSetFileTime(HANDLE hFile, const FILETIME *lpCreationTime,
}
else
{
UINT64 tmp = ((UINT64)lpLastWriteTime->dwHighDateTime) << 32
| lpLastWriteTime->dwLowDateTime;
tmp -= EPOCH_DIFF;
tmp /= 10ULL;
UINT64 tmp = FileTimeToUS(lpLastWriteTime);
#if defined(ANDROID) || defined(__FreeBSD__) || defined(__APPLE__)
tmp /= 10000ULL;
timevals[1].tv_sec = tmp / 10000ULL;
timevals[1].tv_usec = tmp % 10000ULL;
timevals[1].tv_sec = tmp / 1000000ULL;
timevals[1].tv_usec = tmp % 1000000ULL;
#else
times[1].tv_sec = tmp / 10000000ULL;
times[1].tv_nsec = tmp % 10000000ULL;
times[1].tv_sec = tmp / 1000000ULL;
times[1].tv_nsec = (tmp % 1000000ULL) * 1000ULL;
#endif
}
@ -450,11 +451,11 @@ static BOOL FileSetFileTime(HANDLE hFile, const FILETIME *lpCreationTime,
#else
rc = futimens(fileno(pFile->fp), times);
#endif
if (rc != 0)
return FALSE;
return TRUE;
}
static HANDLE_OPS fileOps = {
@ -759,6 +760,8 @@ HANDLE CreateFileA(LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
{
HANDLE hFile;
WCHAR* lpFileNameW = NULL;
ConvertToUnicode(CP_UTF8, 0, lpFileName, -1, &lpFileNameW, 0);