From owner-svn-src-all@FreeBSD.ORG Fri May 9 01:25:26 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 57CD9C45; Fri, 9 May 2014 01:25:26 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2A962CB2; Fri, 9 May 2014 01:25:26 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s491PQ12017976; Fri, 9 May 2014 01:25:26 GMT (envelope-from pfg@svn.freebsd.org) Received: (from pfg@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s491PPKw017965; Fri, 9 May 2014 01:25:25 GMT (envelope-from pfg@svn.freebsd.org) Message-Id: <201405090125.s491PPKw017965@svn.freebsd.org> From: "Pedro F. Giffuni" Date: Fri, 9 May 2014 01:25:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r265727 - stable/9/lib/libc/regex X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 May 2014 01:25:26 -0000 Author: pfg Date: Fri May 9 01:25:25 2014 New Revision: 265727 URL: http://svnweb.freebsd.org/changeset/base/265727 Log: MFC r265202: Remove some unreachable breaks in regex. This is based on a much bigger cleanup done in Illumos. Reference: https://www.illumos.org/issues/2077 Modified: stable/9/lib/libc/regex/engine.c stable/9/lib/libc/regex/regcomp.c Directory Properties: stable/9/ (props changed) stable/9/lib/ (props changed) stable/9/lib/libc/ (props changed) Modified: stable/9/lib/libc/regex/engine.c ============================================================================== --- stable/9/lib/libc/regex/engine.c Fri May 9 01:20:39 2014 (r265726) +++ stable/9/lib/libc/regex/engine.c Fri May 9 01:25:25 2014 (r265727) @@ -686,19 +686,16 @@ backref(struct match *m, while (m->g->strip[ss] != SOP(O_BACK, i)) ss++; return(backref(m, sp+len, stop, ss+1, stopst, lev, rec)); - break; case OQUEST_: /* to null or not */ dp = backref(m, sp, stop, ss+1, stopst, lev, rec); if (dp != NULL) return(dp); /* not */ return(backref(m, sp, stop, ss+OPND(s)+1, stopst, lev, rec)); - break; case OPLUS_: assert(m->lastpos != NULL); assert(lev+1 <= m->g->nplus); m->lastpos[lev+1] = sp; return(backref(m, sp, stop, ss+1, stopst, lev+1, rec)); - break; case O_PLUS: if (sp == m->lastpos[lev]) /* last pass matched null */ return(backref(m, sp, stop, ss+1, stopst, lev-1, rec)); @@ -709,7 +706,6 @@ backref(struct match *m, return(backref(m, sp, stop, ss+1, stopst, lev-1, rec)); else return(dp); - break; case OCH_: /* find the right one, if any */ ssub = ss + 1; esub = ss + OPND(s) - 1; @@ -730,6 +726,7 @@ backref(struct match *m, else assert(OP(m->g->strip[esub]) == O_CH); } + /* NOTREACHED */ break; case OLPAREN: /* must undo assignment if rest fails */ i = OPND(s); @@ -741,7 +738,6 @@ backref(struct match *m, return(dp); m->pmatch[i].rm_so = offsave; return(NULL); - break; case ORPAREN: /* must undo assignment if rest fails */ i = OPND(s); assert(0 < i && i <= m->g->nsub); @@ -752,7 +748,6 @@ backref(struct match *m, return(dp); m->pmatch[i].rm_eo = offsave; return(NULL); - break; default: /* uh oh */ assert(nope); break; Modified: stable/9/lib/libc/regex/regcomp.c ============================================================================== --- stable/9/lib/libc/regex/regcomp.c Fri May 9 01:20:39 2014 (r265726) +++ stable/9/lib/libc/regex/regcomp.c Fri May 9 01:25:25 2014 (r265727) @@ -746,7 +746,6 @@ p_b_term(struct parse *p, cset *cs) case '-': SETERROR(REG_ERANGE); return; /* NOTE RETURN */ - break; default: c = '\0'; break;