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-rw-r--r--io/tst-fchmod-errors.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/io/tst-fchmod-errors.c b/io/tst-fchmod-errors.c
index ee15300..bf2a4c5 100644
--- a/io/tst-fchmod-errors.c
+++ b/io/tst-fchmod-errors.c
@@ -18,8 +18,10 @@
#include <errno.h>
#include <fcntl.h>
+#include <stdio.h>
#include <support/check.h>
#include <support/xunistd.h>
+#include <unistd.h>
static int
do_test (void)
@@ -27,9 +29,14 @@ do_test (void)
{
/* Permissions on /dev/null (the opened descriptor) cannot be changed. */
int fd = xopen ("/dev/null", O_RDWR, 0);
- errno = 0;
- TEST_COMPARE (fchmod (fd, 0), -1);
- TEST_COMPARE (errno, EPERM);
+ if (getuid () == 0)
+ puts ("info: /dev/null fchmod test skipped because of root privileges");
+ else
+ {
+ errno = 0;
+ TEST_COMPARE (fchmod (fd, 0), -1);
+ TEST_COMPARE (errno, EPERM);
+ }
xclose (fd);
/* Now testing an invalid file descriptor. */