diff options
Diffstat (limited to 'fs/udf/udftime.c')
| -rw-r--r-- | fs/udf/udftime.c | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c index 14626b34d13e..78ecc633606f 100644 --- a/fs/udf/udftime.c +++ b/fs/udf/udftime.c @@ -1,21 +1,7 @@ +// SPDX-License-Identifier: LGPL-2.0+ /* Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Paul Eggert (eggert@twinsun.com). - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + Contributed by Paul Eggert (eggert@twinsun.com). */ /* * dgb 10/02/98: ripped this from glibc source to help convert timestamps @@ -40,8 +26,8 @@ #include <linux/kernel.h> #include <linux/time.h> -struct timespec * -udf_disk_stamp_to_time(struct timespec *dest, struct timestamp src) +void +udf_disk_stamp_to_time(struct timespec64 *dest, struct timestamp src) { u16 typeAndTimezone = le16_to_cpu(src.typeAndTimezone); u16 year = le16_to_cpu(src.year); @@ -60,23 +46,29 @@ udf_disk_stamp_to_time(struct timespec *dest, struct timestamp src) dest->tv_sec = mktime64(year, src.month, src.day, src.hour, src.minute, src.second); dest->tv_sec -= offset * 60; - dest->tv_nsec = 1000 * (src.centiseconds * 10000 + + + /* + * Sanitize nanosecond field since reportedly some filesystems are + * recorded with bogus sub-second values. + */ + if (src.centiseconds < 100 && src.hundredsOfMicroseconds < 100 && + src.microseconds < 100) { + dest->tv_nsec = 1000 * (src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds); - return dest; + } else { + dest->tv_nsec = 0; + } } -struct timestamp * -udf_time_to_disk_stamp(struct timestamp *dest, struct timespec ts) +void +udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 ts) { - long seconds; + time64_t seconds; int16_t offset; struct tm tm; offset = -sys_tz.tz_minuteswest; - if (!dest) - return NULL; - dest->typeAndTimezone = cpu_to_le16(0x1000 | (offset & 0x0FFF)); seconds = ts.tv_sec + offset * 60; @@ -92,7 +84,6 @@ udf_time_to_disk_stamp(struct timestamp *dest, struct timespec ts) dest->centiseconds * 10000) / 100; dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 - dest->hundredsOfMicroseconds * 100); - return dest; } /* EOF */ |