Imported Upstream version 93u+upstream

1 files changed, 50 insertions, 0 deletions

diff --git a/src/lib/libast/string/streval.c b/src/lib/libast/string/streval.c
new file mode 100644
index 0000000..d246184
--- /dev/null
+++ b/src/lib/libast/string/streval.c
@@ -0,0 +1,50 @@
+/***********************************************************************
+*                                                                      *
+*               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
+/*
+ * obsolete streval() interface to strexpr()
+ */
+
+#include <ast.h>
+
+typedef long (*Old_convert_t)(const char*, char**);
+
+typedef long (*Convert_t)(const char*, char**, void*);
+
+typedef struct
+{
+	Old_convert_t	convert;
+} Handle_t;
+
+static long
+userconv(const char* s, char** end, void* handle)
+{
+	return((*((Handle_t*)handle)->convert)(s, end));
+}
+
+long
+streval(const char* s, char** end, Old_convert_t convert)
+{
+	Handle_t	handle;
+
+	return((handle.convert = convert) ? strexpr(s, end, userconv, &handle) : strexpr(s, end, (Convert_t)0, NiL));
+}