[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/dirent/tst-seekdir.c b/ap/libc/glibc/glibc-2.23/dirent/tst-seekdir.c
new file mode 100644
index 0000000..dcdd699
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/dirent/tst-seekdir.c
@@ -0,0 +1,81 @@
+#include <stdio.h>
+#include <dirent.h>
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+ DIR * dirp;
+ long int save3 = 0;
+ long int cur;
+ int i = 0;
+ int result = 0;
+ struct dirent *dp;
+ long int save0;
+ long int rewind;
+
+ dirp = opendir (".");
+ if (dirp == NULL)
+ {
+ printf ("opendir failed: %m\n");
+ return 1;
+ }
+
+ save0 = telldir (dirp);
+ if (save0 == -1)
+ {
+ printf ("telldir failed: %m\n");
+ result = 1;
+ }
+
+ for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
+ {
+ /* save position 3 (after fourth entry) */
+ if (i++ == 3)
+ save3 = telldir (dirp);
+
+ printf ("%s\n", dp->d_name);
+
+ /* stop at 400 (just to make sure dirp->__offset and dirp->__size are
+ scrambled */
+ if (i == 400)
+ break;
+ }
+
+ printf ("going back past 4-th entry...\n");
+
+ /* go back to saved entry */
+ seekdir (dirp, save3);
+
+ /* Check whether telldir equals to save3 now. */
+ cur = telldir (dirp);
+ if (cur != save3)
+ {
+ printf ("seekdir (d, %ld); telldir (d) == %ld\n", save3, cur);
+ result = 1;
+ }
+
+ /* print remaining files (3-last) */
+ for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
+ printf ("%s\n", dp->d_name);
+
+ /* Check rewinddir */
+ rewinddir (dirp);
+ rewind = telldir (dirp);
+ if (rewind == -1)
+ {
+ printf ("telldir failed: %m\n");
+ result = 1;
+ }
+ else if (save0 != rewind)
+ {
+ printf ("rewinddir didn't reset directory stream\n");
+ result = 1;
+ }
+
+ closedir (dirp);
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"