/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Knowledge Ventures * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Knowledge Ventures * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * 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 /* * posix regex executor * single unsized-string interface */ #include "reglib.h" /* * standard wrapper for the sized-record interface */ int regexec(const regex_t* p, const char* s, size_t nmatch, regmatch_t* match, regflags_t flags) { if (flags & REG_STARTEND) { int r; int m = match->rm_so; regmatch_t* e; if (!(r = regnexec(p, s + m, match->rm_eo - m, nmatch, match, flags)) && m > 0) for (e = match + nmatch; match < e; match++) if (match->rm_so >= 0) { match->rm_so += m; match->rm_eo += m; } return r; } return regnexec(p, s, s ? strlen(s) : 0, nmatch, match, flags); }