From 091093d25802b87d3b2b09f2c88d9f33e1ae5562 Mon Sep 17 00:00:00 2001 From: Darren Tucker Date: Fri, 18 Jan 2019 12:11:42 +1300 Subject: Add a minimal implementation of utimensat(). Some systems (eg older OS X) do not have utimensat, so provide minimal implementation in compat layer. Fixes build on at least El Capitan. --- openbsd-compat/regress/utimensattest.c | 97 ++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 openbsd-compat/regress/utimensattest.c (limited to 'openbsd-compat/regress/utimensattest.c') diff --git a/openbsd-compat/regress/utimensattest.c b/openbsd-compat/regress/utimensattest.c new file mode 100644 index 000000000..a7bc7634b --- /dev/null +++ b/openbsd-compat/regress/utimensattest.c @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2019 Darren Tucker + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +#define TMPFILE "utimensat.tmp" +#define TMPFILE2 "utimensat.tmp2" + +#ifndef AT_SYMLINK_NOFOLLOW +# define AT_SYMLINK_NOFOLLOW 0x80000000 +#endif + +int utimensat(int, const char *, const struct timespec[2], int); + +void +fail(char *msg, long expect, long got) +{ + int saved_errno = errno; + + if (expect == got && got == 0) + fprintf(stderr, "utimensat: %s: %s\n", msg, + strerror(saved_errno)); + else + fprintf(stderr, "utimensat: %s: expected %ld got %ld\n", + msg, expect, got); + exit(1); +} + +int +main(void) +{ + int fd; + struct stat sb; + struct timespec ts[2]; + + if ((fd = open(TMPFILE, O_CREAT, 0600)) == -1) + fail("open", 0, 0); + close(fd); + + ts[0].tv_sec = 12345678; + ts[0].tv_nsec = 23456789; + ts[1].tv_sec = 34567890; + ts[1].tv_nsec = 45678901; + if (utimensat(AT_FDCWD, TMPFILE, ts, AT_SYMLINK_NOFOLLOW) == -1) + fail("utimensat", 0, 0); + + if (stat(TMPFILE, &sb) == -1) + fail("stat", 0, 0 ); + if (sb.st_atime != 12345678) + fail("st_atime", 0, 0 ); + if (sb.st_mtime != 34567890) + fail("st_mtime", 0, 0 ); +#if 0 + /* + * Results expected to be rounded to the nearest microsecond. + * Depends on timestamp precision in kernel and filesystem so + * disabled by default. + */ + if (sb.st_atim.tv_nsec != 23456000) + fail("atim.tv_nsec", 23456000, sb.st_atim.tv_nsec); + if (sb.st_mtim.tv_nsec != 45678000) + fail("mtim.tv_nsec", 45678000, sb.st_mtim.tv_nsec); +#endif + + if (rename(TMPFILE, TMPFILE2) == -1) + fail("rename", 0, 0); + if (symlink(TMPFILE2, TMPFILE) == -1) + fail("symlink", 0, 0); + + if (utimensat(AT_FDCWD, TMPFILE, ts, AT_SYMLINK_NOFOLLOW) != -1) + fail("utimensat followed symlink", 0, 0); + + if (!(unlink(TMPFILE) == 0 && unlink(TMPFILE2) == 0)) + fail("unlink", 0, 0); + exit(0); +} -- cgit v1.2.3