From 01f33a9acc8f02ae6a6dd1efe366c28c825af8a8 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Fri, 10 Jul 2020 17:54:42 -0300 Subject: linux: Fix time64 support for futimesat The generic implementation does not support time64 and the default one return overflow for invalid tv_sec with UTIME_NOW / UTIME_OMIT (which is valid since tv_sec in such cases is ignored by the kernel). Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Reviewed-by: Lukasz Majewski --- sysdeps/unix/sysv/linux/generic/futimesat.c | 52 ----------------------------- sysdeps/unix/sysv/linux/utimensat.c | 8 +++-- 2 files changed, 6 insertions(+), 54 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/generic/futimesat.c (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/generic/futimesat.c b/sysdeps/unix/sysv/linux/generic/futimesat.c deleted file mode 100644 index 7be1fbc..0000000 --- a/sysdeps/unix/sysv/linux/generic/futimesat.c +++ /dev/null @@ -1,52 +0,0 @@ -/* futimesat -- Change access and modification times of file. Linux version. - Copyright (C) 2005-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf , 2011. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - . */ - -#include -#include -#include -#include -#include -#include -#include -#include - - -/* Change the access time of FILE relative to FD to TVP[0] and - the modification time of FILE to TVP[1]. */ -int -futimesat (int fd, const char *file, const struct timeval tvp[2]) -{ - struct timespec tsp[2]; - int result; - - if (tvp) - { - if (tvp[0].tv_usec >= 1000000 || tvp[0].tv_usec < 0 - || tvp[1].tv_usec >= 1000000 || tvp[1].tv_usec < 0) - { - __set_errno (EINVAL); - return -1; - } - TIMEVAL_TO_TIMESPEC (&tvp[0], &tsp[0]); - TIMEVAL_TO_TIMESPEC (&tvp[1], &tsp[1]); - } - - result = INLINE_SYSCALL (utimensat, 4, fd, file, tvp ? tsp : NULL, 0); - return result; -} diff --git a/sysdeps/unix/sysv/linux/utimensat.c b/sysdeps/unix/sysv/linux/utimensat.c index ea23c2f..aef3491 100644 --- a/sysdeps/unix/sysv/linux/utimensat.c +++ b/sysdeps/unix/sysv/linux/utimensat.c @@ -36,9 +36,13 @@ __utimensat64_helper (int fd, const char *file, if (ret == 0 || errno != ENOSYS) return ret; + /* For UTIME_NOW and UTIME_OMIT the value of tv_sec field is ignored. */ +# define TS_VALID(ns) \ + ((((ns).tv_nsec == UTIME_NOW || (ns).tv_nsec == UTIME_OMIT) \ + || in_time_t_range ((ns).tv_sec))) + if (tsp64 != NULL - && (! in_time_t_range (tsp64[0].tv_sec) - || ! in_time_t_range (tsp64[1].tv_sec))) + && (!TS_VALID (tsp64[0]) || !TS_VALID (tsp64[1]))) { __set_errno (EOVERFLOW); return -1; -- cgit v1.1