1 files changed, 91 insertions, 0 deletions
diff --git a/REORG.TODO/libio/tst-fopenloc.c b/REORG.TODO/libio/tst-fopenloc.c
new file mode 100644
index 0000000000..81af8716c7
--- /dev/null
+++ b/REORG.TODO/libio/tst-fopenloc.c
@@ -0,0 +1,91 @@
+/* Test for ,ccs= handling in fopen.
+   Copyright (C) 2001-2017 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 <errno.h>
+#include <locale.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <sys/resource.h>
+
+static const char inputfile[] = "../iconvdata/testdata/ISO-8859-1";
+
+static int do_test(void);
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
+static int
+do_bz17916 (void)
+{
+  /* BZ #17916 -- check invalid large ccs= case.  */
+  struct rlimit rl;
+  getrlimit (RLIMIT_STACK, &rl);
+  rl.rlim_cur = 1024 * 1024;
+  setrlimit (RLIMIT_STACK, &rl);
+
+  const size_t sz = 2 * 1024 * 1024;
+  char *ccs = xmalloc (sz);
+  strcpy (ccs, "r,ccs=");
+  memset (ccs + 6, 'A', sz - 6 - 1);
+  ccs[sz - 1] = '\0';
+
+  FILE *fp = fopen (inputfile, ccs);
+  if (fp != NULL)
+    {
+      printf ("unxpected success\n");
+      return 1;
+    }
+  free (ccs);
+
+  return 0;
+}
+
+static int
+do_test (void)
+{
+  FILE *fp;
+
+  mtrace ();
+
+  setlocale (LC_ALL, "de_DE.UTF-8");
+
+  fp = fopen (inputfile, "r,ccs=ISO-8859-1");
+  if (fp == NULL)
+    {
+      printf ("cannot open \"%s\": %s\n", inputfile, strerror (errno));
+      exit (1);
+    }
+
+  while (! feof_unlocked (fp))
+    {
+      wchar_t buf[200];
+
+      if (fgetws_unlocked (buf, sizeof (buf) / sizeof (buf[0]), fp) == NULL)
+	break;
+
+      fputws (buf, stdout);
+    }
+
+  fclose (fp);
+
+  return do_bz17916 ();
+}