tests: check file name printing in strace -y mode

* tests/fsync-y.c: New file.
* tests/.gitignore: Add fsync-y.
* tests/Makefile.am (check_PROGRAMS): Likewise.
* tests/gen_tests.in (fsync-y): New test.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>

tests/.gitignore

@@ -82,6 +82,7 @@ fstatat64
 fstatfs
 fstatfs64
 fsync
+fsync-y
 ftruncate
 ftruncate64
 futex

tests/Makefile.am

@@ -101,6 +101,7 @@ check_PROGRAMS = $(PURE_EXECUTABLES) \
 	execveat-v \
 	filter-unavailable \
 	fork-f \
+	fsync-y \
 	getpid	\
 	getppid	\
 	gettid \

tests/fsync-y.c

@@ -0,0 +1,71 @@
+/*
+ * Check printing of file name in strace -y mode.
+ *
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tests.h"
+
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+	char dir[PATH_MAX + 1];
+
+	const struct {
+		const char *path;
+		const char *cstr;
+		const char *fdstr;
+	} checks[] = {
+		{ ARG_STR("\1\0020\v\0047\f\58\t\79\n\10\0171\r\0167\218\37 \\\'\"<<0::0>>1~\177\200\377"),
+			"\\1\\0020\\v\\0047\\f\\58\\t\\79\\n\\10\\0171\\r\\0167"
+			"\\218\\37 \\\\\'\\\"<<0::0>>1~\\177\\200\\377" },
+	};
+
+	if (!getcwd(dir, sizeof(dir)))
+		perror_msg_and_fail("getcwd");
+
+	for (unsigned int i = 0; i < ARRAY_SIZE(checks); i++) {
+		long fd = open(checks[i].path, O_RDONLY|O_CREAT, 0600);
+		if (fd < 0)
+			perror_msg_and_fail("open(%s)", checks[i].cstr);
+
+		int rc = fsync(fd);
+
+		printf("fsync(%ld<", fd);
+		print_quoted_string_ex(dir, false);
+		printf("/%s>) = %s\n", checks[i].fdstr, sprintrc(rc));
+
+		close(fd);
+	}
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}

tests/gen_tests.in

@@ -85,6 +85,7 @@ fstatat64	-a32 -v -P stat.sample -P /dev/full
 fstatfs	-a18
 fstatfs64	-a24
 fsync	-a10
+fsync-y -y -e trace=fsync
 ftruncate	-a24
 ftruncate64	-a36
 futimesat	-a28