--- /dev/null
+/*
+ * Copyright (c) 2016 Anchit Jain <anchitjain1234@gmail.com>
+ * 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 <sys/syscall.h>
+
+#if defined __NR_chmod
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+int
+main(void)
+{
+ static const char fname[] = "chmod_test_file";
+
+ if (open(fname, O_CREAT|O_RDONLY, 0400) == -1)
+ perror_msg_and_fail("open");
+
+ int chmod_res = syscall(__NR_chmod, fname, 0600);
+
+ if (chmod_res == 0) {
+ printf("chmod(\"%s\", 0600) = 0\n", fname);
+ } else {
+ if (errno == ENOSYS) {
+ printf("chmod(\"%s\", 0600) = -1 ENOSYS (%m)\n", fname);
+ } else {
+ perror_msg_and_fail("chmod");
+ }
+ }
+
+ if (unlink(fname) == -1)
+ perror_msg_and_fail("unlink");
+
+ if (chmod_res == 0) {
+ if (syscall(__NR_chmod, fname, 0600) != -1)
+ perror_msg_and_fail("chmod");
+
+ printf("chmod(\"%s\", 0600) = -1 ENOENT (%m)\n", fname);
+ }
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_chmod")
+
+#endif