1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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