14887Schin /***********************************************************************
24887Schin * *
34887Schin * This software is part of the ast package *
4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property *
54887Schin * and is licensed under the *
64887Schin * Common Public License, Version 1.0 *
78462SApril.Chin@Sun.COM * by AT&T Intellectual Property *
84887Schin * *
94887Schin * A copy of the License is available at *
104887Schin * http://www.opensource.org/licenses/cpl1.0.txt *
114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
124887Schin * *
134887Schin * Information and Software Systems Research *
144887Schin * AT&T Research *
154887Schin * Florham Park NJ *
164887Schin * *
174887Schin * Glenn Fowler <gsf@research.att.com> *
184887Schin * David Korn <dgk@research.att.com> *
194887Schin * Phong Vo <kpv@research.att.com> *
204887Schin * *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin
244887Schin /*
254887Schin * posix regex executor
264887Schin * single unsized-string interface
274887Schin */
284887Schin
294887Schin #include "reglib.h"
304887Schin
314887Schin /*
324887Schin * standard wrapper for the sized-record interface
334887Schin */
344887Schin
354887Schin int
regexec(const regex_t * p,const char * s,size_t nmatch,regmatch_t * match,regflags_t flags)364887Schin regexec(const regex_t* p, const char* s, size_t nmatch, regmatch_t* match, regflags_t flags)
374887Schin {
384887Schin if (flags & REG_STARTEND)
394887Schin {
404887Schin int r;
414887Schin int m = match->rm_so;
424887Schin regmatch_t* e;
434887Schin
444887Schin if (!(r = regnexec(p, s + m, match->rm_eo - m, nmatch, match, flags)) && m > 0)
454887Schin for (e = match + nmatch; match < e; match++)
464887Schin if (match->rm_so >= 0)
474887Schin {
484887Schin match->rm_so += m;
494887Schin match->rm_eo += m;
504887Schin }
514887Schin return r;
524887Schin }
534887Schin return regnexec(p, s, s ? strlen(s) : 0, nmatch, match, flags);
544887Schin }
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