[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/io/bug-ftw2.c b/ap/libc/glibc/glibc-2.23/io/bug-ftw2.c
new file mode 100644
index 0000000..139b8ff
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/io/bug-ftw2.c
@@ -0,0 +1,87 @@
+/* Test for ftw function searching in current directory.
+ Copyright (C) 2001-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <ftw.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <string.h>
+
+
+int cnt;
+int result;
+int sawown;
+int sawcur;
+
+
+static int
+callback (const char *fname, const struct stat *st, int flag)
+{
+ printf ("%d: \"%s\" -> ", ++cnt, fname);
+ if (strcmp (fname, ".") == 0 && sawcur)
+ {
+ puts ("current directory reported twice");
+ result = 1;
+ }
+ else if (strcmp (fname, "./bug-ftw2.c") == 0 && sawown)
+ {
+ puts ("source file reported twice");
+ result = 1;
+ }
+ else if (fname[0] != '.')
+ {
+ puts ("missing '.' as first character");
+ result = 1;
+ }
+ else if (fname[1] != '\0' && fname[1] != '/')
+ {
+ puts ("no '/' in second position");
+ result = 1;
+ }
+ else
+ {
+ puts ("OK");
+ sawcur |= strcmp (fname, ".") == 0;
+ sawown |= strcmp (fname, "./bug-ftw2.c") == 0;
+ }
+
+ return 0;
+}
+
+
+int
+main (void)
+{
+ mtrace ();
+
+ ftw (".", callback, 10);
+
+ if (! sawcur)
+ {
+ puts ("current directory wasn't reported");
+ result = 1;
+ }
+
+ if (! sawown)
+ {
+ puts ("source file wasn't reported");
+ result = 1;
+ }
+
+ return result;
+}