1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2010 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 /* 25 * return p stat info 26 */ 27 28 #include "reglib.h" 29 30 regstat_t* 31 regstat(const regex_t* p) 32 { 33 register Rex_t* e; 34 35 e = p->env->rex; 36 if (e && e->type == REX_BM) 37 e = e->next; 38 if (e && e->type == REX_BEG) 39 e = e->next; 40 if (e && e->type == REX_STRING) 41 e = e->next; 42 if (!e || e->type == REX_END && !e->next) 43 p->env->stats.re_flags |= REG_LITERAL; 44 p->env->stats.re_record = (p && p->env && p->env->rex->type == REX_BM) ? p->env->rex->re.bm.size : -1; 45 return &p->env->stats; 46 } 47