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-rw-r--r--openbsd-compat/regress/utimensattest.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/openbsd-compat/regress/utimensattest.c b/openbsd-compat/regress/utimensattest.c
new file mode 100644
index 0000000..24312e5
--- /dev/null
+++ b/openbsd-compat/regress/utimensattest.c
@@ -0,0 +1,118 @@
+/*
+ * 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 <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);
+}