Imported Upstream version 93u+upstream

1 files changed, 51 insertions, 0 deletions

diff --git a/src/lib/libast/stdio/vswscanf.c b/src/lib/libast/stdio/vswscanf.c
new file mode 100644
index 0000000..3f6d96c
--- /dev/null
+++ b/src/lib/libast/stdio/vswscanf.c
@@ -0,0 +1,51 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+
+#include "stdhdr.h"
+
+int
+vswscanf(const wchar_t* s, const wchar_t* fmt, va_list args)
+{
+	Sfio_t	f;
+
+	if (!s)
+		return -1;
+
+	/*
+	 * make a fake stream
+	 */
+
+	SFCLEAR(&f, NiL);
+	f.flags = SF_STRING|SF_READ;
+	f.bits = SF_PRIVATE;
+	f.mode = SF_READ;
+	f.size = wcslen(s) * sizeof(wchar_t);
+	f.data = f.next = f.endw = (uchar*)s;
+	f.endb = f.endr = f.data + f.size;
+
+	/*
+	 * sfio does the rest
+	 */
+
+	return vfwscanf(&f, fmt, args);
+}