1 files changed, 100 insertions, 0 deletions
diff --git a/tests/kernel/lp-524919/test.c b/tests/kernel/lp-524919/test.c
new file mode 100644
index 0000000..ab9ea9f
--- /dev/null
+++ b/tests/kernel/lp-524919/test.c
@@ -0,0 +1,100 @@
+/*
+ * Author: Colin King <colin.king@canonical.com>
+ *
+ * Copyright (C) 2012 Canonical, Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <limits.h>
+#include <fcntl.h>
+
+#define TEST_PASSED	(0)
+#define TEST_FAILED	(1)
+#define TEST_ERROR	(2)
+
+/*
+ *  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/524919
+ *
+ *  test that readlink() and lstat() size of a symlink are the same length
+ */
+int main(int argc, char **argv)
+{
+	char link[PATH_MAX];
+	char buf[PATH_MAX];
+	struct stat statbuf;
+	int rc = TEST_PASSED;
+	int fd;
+	ssize_t n;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage: filename\n");
+		exit(TEST_ERROR);
+	}
+
+	if ((fd = open(argv[1], O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) < 0) {
+		fprintf(stderr, "cannot create %s : %s\n", argv[1],
+			strerror(errno));
+		exit(TEST_ERROR);
+	}
+
+	if (close(fd) < 0) {
+		fprintf(stderr, "close failed %s: %s\n", argv[1],
+			strerror(errno));
+		rc = TEST_ERROR;
+		goto tidy_file;
+	}
+
+	snprintf(link, sizeof(link), "%s-symlink", argv[1]);
+	if (symlink(argv[1], link) < 0) {
+		fprintf(stderr, "symlink failed %s: %s\n", argv[1],
+			strerror(errno));
+		rc = TEST_ERROR;
+		goto tidy_file;
+	}
+
+	n = readlink(link, buf, sizeof(buf));
+	if (n < 0) {
+		fprintf(stderr, "readlink failed %s: %s\n", argv[1],
+			strerror(errno));
+		rc = TEST_ERROR;
+		goto tidy_symlink;
+	}
+	if (lstat(link, &statbuf) < 0) {
+		fprintf(stderr, "lstat failed %s: %s\n", argv[1],
+			strerror(errno));
+		rc = TEST_ERROR;
+		goto tidy_symlink;
+	}
+
+	/* Should be the same size */
+	if (statbuf.st_size != n)
+		rc = TEST_FAILED;
+
+tidy_symlink:
+	unlink(link);
+tidy_file:
+	unlink(argv[1]);
+
+	exit(rc);
+}