1 files changed, 89 insertions, 0 deletions
diff --git a/REORG.TODO/debug/vsprintf_chk.c b/REORG.TODO/debug/vsprintf_chk.c
new file mode 100644
index 0000000000..d47bdaefef
--- /dev/null
+++ b/REORG.TODO/debug/vsprintf_chk.c
@@ -0,0 +1,89 @@
+/* Copyright (C) 1994-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <stdarg.h>
+#include <stdio.h>
+#include "../libio/libioP.h"
+#include "../libio/strfile.h"
+
+
+static int _IO_str_chk_overflow (_IO_FILE *fp, int c) __THROW;
+
+static int
+_IO_str_chk_overflow (_IO_FILE *fp, int c)
+{
+  /* When we come to here this means the user supplied buffer is
+     filled.  */
+  __chk_fail ();
+}
+
+
+static const struct _IO_jump_t _IO_str_chk_jumps libio_vtable =
+{
+  JUMP_INIT_DUMMY,
+  JUMP_INIT(finish, _IO_str_finish),
+  JUMP_INIT(overflow, _IO_str_chk_overflow),
+  JUMP_INIT(underflow, _IO_str_underflow),
+  JUMP_INIT(uflow, _IO_default_uflow),
+  JUMP_INIT(pbackfail, _IO_str_pbackfail),
+  JUMP_INIT(xsputn, _IO_default_xsputn),
+  JUMP_INIT(xsgetn, _IO_default_xsgetn),
+  JUMP_INIT(seekoff, _IO_str_seekoff),
+  JUMP_INIT(seekpos, _IO_default_seekpos),
+  JUMP_INIT(setbuf, _IO_default_setbuf),
+  JUMP_INIT(sync, _IO_default_sync),
+  JUMP_INIT(doallocate, _IO_default_doallocate),
+  JUMP_INIT(read, _IO_default_read),
+  JUMP_INIT(write, _IO_default_write),
+  JUMP_INIT(seek, _IO_default_seek),
+  JUMP_INIT(close, _IO_default_close),
+  JUMP_INIT(stat, _IO_default_stat),
+  JUMP_INIT(showmanyc, _IO_default_showmanyc),
+  JUMP_INIT(imbue, _IO_default_imbue)
+};
+
+
+int
+___vsprintf_chk (char *s, int flags, size_t slen, const char *format,
+		 va_list args)
+{
+  _IO_strfile f;
+  int ret;
+#ifdef _IO_MTSAFE_IO
+  f._sbf._f._lock = NULL;
+#endif
+
+  if (slen == 0)
+    __chk_fail ();
+
+  _IO_no_init (&f._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
+  _IO_JUMPS (&f._sbf) = &_IO_str_chk_jumps;
+  s[0] = '\0';
+  _IO_str_init_static_internal (&f, s, slen - 1, s);
+
+  /* For flags > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
+     can only come from read-only format strings.  */
+  if (flags > 0)
+    f._sbf._f._flags2 |= _IO_FLAGS2_FORTIFY;
+
+  ret = _IO_vfprintf (&f._sbf._f, format, args);
+
+  *f._sbf._f._IO_write_ptr = '\0';
+  return ret;
+}
+ldbl_hidden_def (___vsprintf_chk, __vsprintf_chk)
+ldbl_strong_alias (___vsprintf_chk, __vsprintf_chk)