1 files changed, 99 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/fxprintf.c b/REORG.TODO/stdio-common/fxprintf.c
new file mode 100644
index 0000000000..82d4f2e235
--- /dev/null
+++ b/REORG.TODO/stdio-common/fxprintf.c
@@ -0,0 +1,99 @@
+/* Copyright (C) 2005-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.org>.
+
+   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 <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include <libioP.h>
+
+static int
+locked_vfxprintf (FILE *fp, const char *fmt, va_list ap)
+{
+  if (_IO_fwide (fp, 0) <= 0)
+    return _IO_vfprintf (fp, fmt, ap);
+
+  /* We must convert the narrow format string to a wide one.
+     Each byte can produce at most one wide character.  */
+  wchar_t *wfmt;
+  mbstate_t mbstate;
+  int res;
+  int used_malloc = 0;
+  size_t len = strlen (fmt) + 1;
+
+  if (__glibc_unlikely (len > SIZE_MAX / sizeof (wchar_t)))
+    {
+      __set_errno (EOVERFLOW);
+      return -1;
+    }
+  if (__libc_use_alloca (len * sizeof (wchar_t)))
+    wfmt = alloca (len * sizeof (wchar_t));
+  else if ((wfmt = malloc (len * sizeof (wchar_t))) == NULL)
+    return -1;
+  else
+    used_malloc = 1;
+
+  memset (&mbstate, 0, sizeof mbstate);
+  res = __mbsrtowcs (wfmt, &fmt, len, &mbstate);
+
+  if (res != -1)
+    res = _IO_vfwprintf (fp, wfmt, ap);
+
+  if (used_malloc)
+    free (wfmt);
+
+  return res;
+}
+
+int
+__fxprintf (FILE *fp, const char *fmt, ...)
+{
+  if (fp == NULL)
+    fp = stderr;
+
+  va_list ap;
+  va_start (ap, fmt);
+  _IO_flockfile (fp);
+
+  int res = locked_vfxprintf (fp, fmt, ap);
+
+  _IO_funlockfile (fp);
+  va_end (ap);
+  return res;
+}
+
+int
+__fxprintf_nocancel (FILE *fp, const char *fmt, ...)
+{
+  if (fp == NULL)
+    fp = stderr;
+
+  va_list ap;
+  va_start (ap, fmt);
+  _IO_flockfile (fp);
+  int save_flags2 = ((_IO_FILE *)fp)->_flags2;
+  ((_IO_FILE *)fp)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+
+  int res = locked_vfxprintf (fp, fmt, ap);
+
+  ((_IO_FILE *)fp)->_flags2 = save_flags2;
+  _IO_funlockfile (fp);
+  va_end (ap);
+  return res;
+}