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-rw-r--r--io/tst-fchmodat.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/io/tst-fchmodat.c b/io/tst-fchmodat.c
index 0288d6b..bfb75d6 100644
--- a/io/tst-fchmodat.c
+++ b/io/tst-fchmodat.c
@@ -107,6 +107,20 @@ do_test (void)
return 1;
}
+ /* Before closing the file, try using this file descriptor to open
+ another file. This must fail. */
+ if (fchmodat (fd, "some-file", 0400, 0) != -1)
+ {
+ puts ("fchmodat using descriptor for normal file worked");
+ return 1;
+ }
+ if (errno != ENOTDIR)
+ {
+ puts ("\
+error for fchmodat using descriptor for normal file not ENOTDIR ");
+ return 1;
+ }
+
close (fd);
if ((st1.st_mode & 0777) != 0644)
@@ -140,7 +154,38 @@ do_test (void)
return 1;
}
+ /* Create a file descriptor which is closed again right away. */
+ int dir_fd2 = dup (dir_fd);
+ if (dir_fd2 == -1)
+ {
+ puts ("dup failed");
+ return 1;
+ }
+ close (dir_fd2);
+
+ if (fchmodat (dir_fd2, "some-file", 0400, 0) != -1)
+ {
+ puts ("fchmodat using closed descriptor worked");
+ return 1;
+ }
+ if (errno != EBADF)
+ {
+ puts ("error for fchmodat using closed descriptor not EBADF ");
+ return 1;
+ }
+
close (dir_fd);
+ if (fchmodat (-1, "some-file", 0400, 0) != -1)
+ {
+ puts ("fchmodat using invalid descriptor worked");
+ return 1;
+ }
+ if (errno != EBADF)
+ {
+ puts ("error for fchmodat using invalid descriptor not EBADF ");
+ return 1;
+ }
+
return 0;
}