tests: add utimensat.test

* tests/utimensat.c: New file.
* tests/utimensat.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add utimensat.
(TESTS): Add utimensat.test.
* configure.ac (AC_CHECK_FUNCS): Add utimensat.
* tests/.gitignore: Add utimensat.

Author: ldv-alt

configure.ac

@@ -256,6 +256,7 @@ AC_CHECK_FUNCS(m4_normalize([
 	stpcpy
 	strerror
 	strsignal
+	utimensat
 ]))
 AC_CHECK_HEADERS(m4_normalize([
 	asm/cachectl.h

tests/.gitignore

@@ -51,6 +51,7 @@ umovestr
 umovestr2
 unix-pair-send-recv
 utime
+utimensat
 xattr
 xet_robust_list
 *.log

tests/Makefile.am

@@ -64,6 +64,7 @@ check_PROGRAMS = \
 	umovestr2 \
 	unix-pair-send-recv \
 	utime \
+	utimensat \
 	xattr \
 	xet_robust_list \
 	# end of check_PROGRAMS
@@ -135,6 +136,7 @@ TESTS = \
 	uid32.test \
 	uio.test \
 	utime.test \
+	utimensat.test \
 	xattr.test \
 	xet_robust_list.test \
 	count.test \

tests/utimensat.c

@@ -0,0 +1,67 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdint.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+#if defined HAVE_UTIMENSAT \
+ && defined AT_FDCWD && defined AT_SYMLINK_NOFOLLOW \
+ && defined UTIME_NOW && defined UTIME_OMIT
+
+static void
+print_ts(const struct timespec *ts)
+{
+	printf("{%ju, %ju}", (uintmax_t) ts->tv_sec, (uintmax_t) ts->tv_nsec);
+}
+
+int
+main(void)
+{
+	struct timeval tv;
+	struct timespec ts[2];
+
+	if (gettimeofday(&tv, NULL))
+		return 77;
+
+	ts[0].tv_sec = tv.tv_sec;
+	ts[0].tv_nsec = tv.tv_usec;
+	ts[1].tv_sec = tv.tv_sec - 1;
+	ts[1].tv_nsec = tv.tv_usec + 1;
+	if (!utimensat(AT_FDCWD, "utimensat\nfilename", ts,
+	     AT_SYMLINK_NOFOLLOW))
+		return 77;
+
+	#define PREFIX "utimensat(AT_FDCWD, \"utimensat\\nfilename\", ["
+
+	printf(PREFIX);
+	print_ts(&ts[0]);
+	printf(", ");
+	print_ts(&ts[1]);
+	puts("], AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory)");
+
+	ts[0].tv_nsec = UTIME_NOW;
+	ts[1].tv_nsec = UTIME_OMIT;
+	if (!utimensat(AT_FDCWD, "utimensat\nfilename", ts,
+	     AT_SYMLINK_NOFOLLOW))
+		return 77;
+
+	printf(PREFIX);
+	puts("UTIME_NOW, UTIME_OMIT], AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory)");
+	puts("+++ exited with 0 +++");
+
+	return 0;
+}
+
+#else
+
+int
+main(void)
+{
+	return 77;
+}
+
+#endif

tests/utimensat.test

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Check decoding of utimensat syscall.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -e utimensat $args > "$OUT"
+
+check_prog grep
+LC_ALL=C grep -x "utimensat(.*" "$LOG" > /dev/null || {
+        rm -f "$OUT"
+        skip_ 'test executable does not use utimensat syscall'
+}
+
+match_diff "$OUT" "$LOG"
+
+rm -f "$OUT"
+
+exit 0