From: Dmitry V. Levin <ldv@altlinux.org>
Date: Thu, 7 Apr 2016 00:31:44 +0000 (+0000)
Subject: tests/linkat.c: check AT_* decoding
X-Git-Tag: v4.12~443
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=867c1cdf1994c9aad886f847038dba80f509cbf3;p=strace

tests/linkat.c: check AT_* decoding

* tests/linkat.c (main): Check decoding of AT_* constants.
---

diff --git a/tests/linkat.c b/tests/linkat.c
index 6a1a52e6..1577f0dd 100644
--- a/tests/linkat.c
+++ b/tests/linkat.c
@@ -20,6 +20,13 @@ main(void)
 	       (int) fd_old, sample_1, (int) fd_new, sample_2, rc,
 	       errno == ENOSYS ? "ENOSYS" : "EBADF");
 
+	rc = syscall(__NR_linkat, -100, sample_1, -100, sample_2, -1L);
+	printf("linkat(%s, \"%s\", %s, \"%s\", %s) = %d %s (%m)\n",
+	       "AT_FDCWD", sample_1, "AT_FDCWD", sample_2,
+	       "AT_SYMLINK_NOFOLLOW|AT_REMOVEDIR|AT_SYMLINK_FOLLOW"
+	       "|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|0xffffe0ff",
+	       rc, errno == ENOSYS ? "ENOSYS" : "EINVAL");
+
 	puts("+++ exited with 0 +++");
 	return 0;
 }