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ntdll: Add a helper function to set file times.

This commit is contained in:
Alexandre Julliard 2012-10-30 11:44:10 +01:00
parent aacc450955
commit 7b704102a8
1 changed files with 37 additions and 30 deletions
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67
dlls/ntdll/file.c
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@ -1558,6 +1558,42 @@ NTSTATUS WINAPI NtSetVolumeInformationFile(
return 0;
}
static NTSTATUS set_file_times( int fd, const LARGE_INTEGER *mtime, const LARGE_INTEGER *atime )
{
struct timeval tv[2];
struct stat st;
if (!atime->QuadPart || !mtime->QuadPart)
{
tv[0].tv_sec = tv[0].tv_usec = 0;
tv[1].tv_sec = tv[1].tv_usec = 0;
if (!fstat( fd, &st ))
{
tv[0].tv_sec = st.st_atime;
tv[1].tv_sec = st.st_mtime;
#ifdef HAVE_STRUCT_STAT_ST_ATIM
tv[0].tv_usec = st.st_atim.tv_nsec / 1000;
#endif
#ifdef HAVE_STRUCT_STAT_ST_MTIM
tv[1].tv_usec = st.st_mtim.tv_nsec / 1000;
#endif
}
}
if (atime->QuadPart)
{
tv[0].tv_sec = atime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[0].tv_usec = (atime->QuadPart % 10000000) / 10;
}
if (mtime->QuadPart)
{
tv[1].tv_sec = mtime->QuadPart / 10000000 - SECS_1601_TO_1970;
tv[1].tv_usec = (mtime->QuadPart % 10000000) / 10;
}
if (!futimes( fd, tv )) return STATUS_SUCCESS;
return FILE_GetNtStatus();
}
static inline void get_file_times( const struct stat *st, LARGE_INTEGER *mtime, LARGE_INTEGER *ctime,
LARGE_INTEGER *atime, LARGE_INTEGER *creation )
{
@ -2047,36 +2083,7 @@ NTSTATUS WINAPI NtSetInformationFile(HANDLE handle, PIO_STATUS_BLOCK io,
return io->u.Status;
if (info->LastAccessTime.QuadPart || info->LastWriteTime.QuadPart)
{
struct timeval tv[2];
if (!info->LastAccessTime.QuadPart || !info->LastWriteTime.QuadPart)
{
tv[0].tv_sec = tv[0].tv_usec = 0;
tv[1].tv_sec = tv[1].tv_usec = 0;
if (!fstat( fd, &st ))
{
tv[0].tv_sec = st.st_atime;
tv[1].tv_sec = st.st_mtime;
}
}
if (info->LastAccessTime.QuadPart)
{
ULONGLONG sec = info->LastAccessTime.QuadPart / 10000000;
UINT nsec = info->LastAccessTime.QuadPart % 10000000;
tv[0].tv_sec = sec - SECS_1601_TO_1970;
tv[0].tv_usec = nsec / 10;
}
if (info->LastWriteTime.QuadPart)
{
ULONGLONG sec = info->LastWriteTime.QuadPart / 10000000;
UINT nsec = info->LastWriteTime.QuadPart % 10000000;
tv[1].tv_sec = sec - SECS_1601_TO_1970;
tv[1].tv_usec = nsec / 10;
}
if (futimes( fd, tv ) == -1) io->u.Status = FILE_GetNtStatus();
}
io->u.Status = set_file_times( fd, &info->LastAccessTime, &info->LastWriteTime );
if (io->u.Status == STATUS_SUCCESS && info->FileAttributes)
{