xref: /titanic_50/usr/src/lib/libast/common/string/streval.c (revision 0a0e9771ca0211c15f3ac4466b661c145feeb9e4)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * obsolete streval() interface to strexpr()
25  */
26 
27 #include <ast.h>
28 
29 typedef long (*Old_convert_t)(const char*, char**);
30 
31 typedef long (*Convert_t)(const char*, char**, void*);
32 
33 typedef struct
34 {
35 	Old_convert_t	convert;
36 } Handle_t;
37 
38 static long
39 userconv(const char* s, char** end, void* handle)
40 {
41 	return((*((Handle_t*)handle)->convert)(s, end));
42 }
43 
44 long
45 streval(const char* s, char** end, Old_convert_t convert)
46 {
47 	Handle_t	handle;
48 
49 	return((handle.convert = convert) ? strexpr(s, end, userconv, &handle) : strexpr(s, end, (Convert_t)0, NiL));
50 }
51