1 files changed, 78 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/stdio/_stdfun.c b/usr/src/lib/libast/common/stdio/_stdfun.c
new file mode 100644
index 0000000000..9db057bf8b
--- /dev/null
+++ b/usr/src/lib/libast/common/stdio/_stdfun.c
@@ -0,0 +1,78 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              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 <ast.h>
+
+#if !_UWIN
+
+void _STUB_stdfun(){}
+
+#else
+
+#include <ast_windows.h>
+#include <uwin.h>
+#include <dlfcn.h>
+#include "FEATURE/uwin"
+
+#if _lib___iob_func
+#define IOB		((char*)__iob_func())
+#elif _dat__iob
+#define IOB		((char*)_iob)
+#else
+#define IOB		((char*)__p__iob())
+#endif
+
+#define IOBMAX		(512*32)
+
+#include "stdhdr.h"
+
+int
+_stdfun(Sfio_t* f, Funvec_t* vp)
+{
+	static char*	iob;
+	static int	init;
+	static void*	bp;
+	static void*	np;
+
+	if (!iob && !(iob = IOB))
+		return 0;
+	if (f && ((char*)f < iob || (char*)f > iob+IOBMAX))
+		return 0;
+	if (!vp->vec[1])
+	{
+		if (!init)
+		{
+			init = 1;
+			bp = dlopen("/usr/bin/stdio.dll", 0);
+		}
+		if (bp && (vp->vec[1] = (Fun_f)dlsym(bp, vp->name)))
+			return 1;
+		if (!np && !(np = dlopen("/sys/msvcrt.dll", 0)))
+			return -1;
+		if (!(vp->vec[1] = (Fun_f)dlsym(np, vp->name)))
+			return -1;
+	}
+	return 1;
+}
+
+#endif