1 files changed, 38 insertions, 0 deletions
diff --git a/wcsmbs/isoc23_swscanf.c b/wcsmbs/isoc23_swscanf.c
new file mode 100644
index 0000000..75021a0
--- /dev/null
+++ b/wcsmbs/isoc23_swscanf.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 1991-2023 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <stdarg.h>
+#include <libio/strfile.h>
+
+/* Read formatted input from S, according to the format string FORMAT.  */
+
+int
+__isoc23_swscanf (const wchar_t *s, const wchar_t *format, ...)
+{
+  va_list arg;
+  int done;
+  _IO_strfile sf;
+  struct _IO_wide_data wd;
+  FILE *f = _IO_strfile_readw (&sf, &wd, s);
+
+  va_start (arg, format);
+  done = __vfwscanf_internal (f, format, arg,
+			      SCANF_ISOC99_A | SCANF_ISOC23_BIN_CST);
+  va_end (arg);
+
+  return done;
+}