From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id 9B444393BC01; Mon, 1 Mar 2021 17:37:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9B444393BC01 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/y2038] linux: Add futimes test X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/y2038 X-Git-Oldrev: 23485b5ea0a800b2c065c0d086877d758b821da6 X-Git-Newrev: 707449eec5b7df5616d4f77755155f1b60a87f9d Message-Id: <20210301173703.9B444393BC01@sourceware.org> Date: Mon, 1 Mar 2021 17:37:03 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2021 17:37:03 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=707449eec5b7df5616d4f77755155f1b60a87f9d commit 707449eec5b7df5616d4f77755155f1b60a87f9d Author: Adhemerval Zanella Date: Fri Feb 26 20:14:18 2021 -0300 linux: Add futimes test It uses stat to compare against the values set by futimes. Diff: --- sysdeps/unix/sysv/linux/Makefile | 2 +- sysdeps/unix/sysv/linux/tst-futimes.c | 85 +++++++++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+), 1 deletion(-) diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index ca587858d8..f5c37d3a10 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -108,7 +108,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \ tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \ tst-timerfd tst-ppoll tst-futimens tst-clock_adjtime tst-utime \ - tst-utimes + tst-utimes tst-futimes tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/tst-futimes.c b/sysdeps/unix/sysv/linux/tst-futimes.c new file mode 100644 index 0000000000..026b0af023 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-futimes.c @@ -0,0 +1,85 @@ +/* Basix test for utimes. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + +#ifndef struct_stat +# define struct_stat struct stat64 +#endif + +static int temp_fd = -1; +static char *testfile; + +/* struct timeval array with Y2038 threshold minus 2 and 1 seconds. */ +const static struct timeval t1[2] = { { 0x7FFFFFFE, 0 }, { 0x7FFFFFFF, 0 } }; + +/* struct timeval array with Y2038 threshold plus 1 and 2 seconds. */ +const static struct timeval t2[2] = { { 0x80000001ULL, 0 }, + { 0x80000002ULL, 0 } }; + +/* struct timeval array around Y2038 threshold. */ +const static struct timeval t3[2] = { { 0x7FFFFFFE, 0 }, + { 0x80000002ULL, 0 } }; + +#define PREPARE do_prepare +static void +do_prepare (int argc, char *argv[]) +{ + temp_fd = create_temp_file ("utimes", &testfile); + TEST_VERIFY_EXIT (temp_fd > 0); +} + +static int +test_utime_helper (const struct timeval *tv) +{ + /* Check if we run on port with 32 bit time_t size */ + time_t t; + if (__builtin_add_overflow (tv->tv_sec, 0, &t)) + return 0; + + TEST_VERIFY_EXIT (futimes (temp_fd, tv) == 0); + + struct_stat st; + xfstat (temp_fd, &st); + + /* Check if seconds for atime match */ + TEST_COMPARE (st.st_atime, tv[0].tv_sec); + + /* Check if seconds for mtime match */ + TEST_COMPARE (st.st_mtime, tv[1].tv_sec); + + return 0; +} + +static int +do_test (void) +{ + test_utime_helper (&t1[0]); + test_utime_helper (&t2[0]); + test_utime_helper (&t3[0]); + + return 0; +} + +#include