1*4887Schin /*********************************************************************** 2*4887Schin * * 3*4887Schin * This software is part of the ast package * 4*4887Schin * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5*4887Schin * and is licensed under the * 6*4887Schin * Common Public License, Version 1.0 * 7*4887Schin * by AT&T Knowledge Ventures * 8*4887Schin * * 9*4887Schin * A copy of the License is available at * 10*4887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 11*4887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12*4887Schin * * 13*4887Schin * Information and Software Systems Research * 14*4887Schin * AT&T Research * 15*4887Schin * Florham Park NJ * 16*4887Schin * * 17*4887Schin * Glenn Fowler <gsf@research.att.com> * 18*4887Schin * David Korn <dgk@research.att.com> * 19*4887Schin * Phong Vo <kpv@research.att.com> * 20*4887Schin * * 21*4887Schin ***********************************************************************/ 22*4887Schin #pragma prototyped 23*4887Schin 24*4887Schin /* 25*4887Schin * posix regex executor 26*4887Schin * single unsized-string interface 27*4887Schin */ 28*4887Schin 29*4887Schin #include "reglib.h" 30*4887Schin 31*4887Schin /* 32*4887Schin * standard wrapper for the sized-record interface 33*4887Schin */ 34*4887Schin 35*4887Schin int 36*4887Schin regexec(const regex_t* p, const char* s, size_t nmatch, regmatch_t* match, regflags_t flags) 37*4887Schin { 38*4887Schin if (flags & REG_STARTEND) 39*4887Schin { 40*4887Schin int r; 41*4887Schin int m = match->rm_so; 42*4887Schin regmatch_t* e; 43*4887Schin 44*4887Schin if (!(r = regnexec(p, s + m, match->rm_eo - m, nmatch, match, flags)) && m > 0) 45*4887Schin for (e = match + nmatch; match < e; match++) 46*4887Schin if (match->rm_so >= 0) 47*4887Schin { 48*4887Schin match->rm_so += m; 49*4887Schin match->rm_eo += m; 50*4887Schin } 51*4887Schin return r; 52*4887Schin } 53*4887Schin return regnexec(p, s, s ? strlen(s) : 0, nmatch, match, flags); 54*4887Schin } 55