diff options
Diffstat (limited to 'openbsd-compat/regress/utimensattest.c')
| -rw-r--r-- | openbsd-compat/regress/utimensattest.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/openbsd-compat/regress/utimensattest.c b/openbsd-compat/regress/utimensattest.c new file mode 100644 index 0000000..bbc66c4 --- /dev/null +++ b/openbsd-compat/regress/utimensattest.c @@ -0,0 +1,120 @@ +/* + * 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 "includes.h" + +#include <sys/types.h> +#include <sys/stat.h> + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#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); + +static void +cleanup(void) +{ + (void)unlink(TMPFILE); + (void)unlink(TMPFILE2); +} + +static 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); + cleanup(); + exit(1); +} + +int +main(void) +{ + int fd; + struct stat sb; + struct timespec ts[2]; + + cleanup(); + 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 + + /* + * POSIX specifies that when given a symlink, AT_SYMLINK_NOFOLLOW + * should update the symlink and not the destination. The compat + * code doesn't have a way to do this, so where possible it fails + * with instead of following a symlink when explicitly asked not to. + * Here we just test that it does not update the destination. + */ + if (rename(TMPFILE, TMPFILE2) == -1) + fail("rename", 0, 0); + if (symlink(TMPFILE2, TMPFILE) == -1) + fail("symlink", 0, 0); + ts[0].tv_sec = 11223344; + ts[1].tv_sec = 55667788; + (void)utimensat(AT_FDCWD, TMPFILE, ts, AT_SYMLINK_NOFOLLOW); + if (stat(TMPFILE2, &sb) == -1) + fail("stat", 0, 0 ); + if (sb.st_atime == 11223344) + fail("utimensat symlink st_atime", 0, 0 ); + if (sb.st_mtime == 55667788) + fail("utimensat symlink st_mtime", 0, 0 ); + + cleanup(); + exit(0); +} |