tests: extend coverage of utimensat syscall

* tests/utimensat.c (main): Check decoding of NULL struct timespec
pointer.

diff --git a/tests/utimensat.c b/tests/utimensat.c
index 58da81a664fa027eb3a5398c3989e5c9bb290d96..24e91062f91aade1d13ede0c574598332f799f50 100644 (file)
--- a/tests/utimensat.c
+++ b/tests/utimensat.c
@@ -1,4 +1,6 @@
 /*
+ * This file is part of utimensat strace test.
+ *
  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
@@ -47,6 +49,15 @@ print_ts(const struct timespec *ts)
 int
 main(void)
 {
+       static const char fname[] = "utimensat\nfilename";
+
+       assert(utimensat(AT_FDCWD, fname, NULL, 0) == -1);
+       if (ENOENT != errno)
+               error_msg_and_skip("utimensat");
+
+       #define PREFIX "utimensat(AT_FDCWD, \"utimensat\\nfilename\", "
+       printf(PREFIX "NULL, 0) = -1 ENOENT (%m)\n");
+
        struct timeval tv;
        struct timespec ts[2];
 
@@ -58,29 +69,24 @@ main(void)
        ts[1].tv_sec = tv.tv_sec - 1;
        ts[1].tv_nsec = tv.tv_usec + 1;
 
-       #define PREFIX "utimensat(AT_FDCWD, \"utimensat\\nfilename\", ["
-
-       printf(PREFIX);
+       printf(PREFIX "[");
        print_ts(&ts[0]);
        printf(", ");
        print_ts(&ts[1]);
        printf("], AT_SYMLINK_NOFOLLOW) = -1 ENOENT ");
 
-       assert(utimensat(AT_FDCWD, "utimensat\nfilename", ts,
-                        AT_SYMLINK_NOFOLLOW) == -1);
+       assert(utimensat(AT_FDCWD, fname, ts, AT_SYMLINK_NOFOLLOW) == -1);
        if (ENOENT != errno)
                error_msg_and_skip("utimensat");
        printf("(%m)\n");
 
-       printf(PREFIX "UTIME_NOW, UTIME_OMIT], AT_SYMLINK_NOFOLLOW) = -1 ENOENT ");
-
        ts[0].tv_nsec = UTIME_NOW;
        ts[1].tv_nsec = UTIME_OMIT;
-       assert(utimensat(AT_FDCWD, "utimensat\nfilename", ts,
-                        AT_SYMLINK_NOFOLLOW) == -1);
+       assert(utimensat(AT_FDCWD, fname, ts, AT_SYMLINK_NOFOLLOW) == -1);
        if (ENOENT != errno)
                error_msg_and_skip("utimensat");
-       printf("(%m)\n");
+       printf(PREFIX "[UTIME_NOW, UTIME_OMIT], AT_SYMLINK_NOFOLLOW)"
+              " = -1 ENOENT (%m)\n");
 
        puts("+++ exited with 0 +++");
        return 0;