Module Name: src Committed By: christos Date: Wed Jan 1 18:29:39 UTC 2014
Modified Files: src/bin/sh: parser.c Log Message: clarify further. To generate a diff of this commit: cvs rdiff -u -r1.87 -r1.88 src/bin/sh/parser.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/bin/sh/parser.c diff -u src/bin/sh/parser.c:1.87 src/bin/sh/parser.c:1.88 --- src/bin/sh/parser.c:1.87 Wed Jan 1 11:55:28 2014 +++ src/bin/sh/parser.c Wed Jan 1 13:29:39 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: parser.c,v 1.87 2014/01/01 16:55:28 christos Exp $ */ +/* $NetBSD: parser.c,v 1.88 2014/01/01 18:29:39 christos Exp $ */ /*- * Copyright (c) 1991, 1993 @@ -37,7 +37,7 @@ #if 0 static char sccsid[] = "@(#)parser.c 8.7 (Berkeley) 5/16/95"; #else -__RCSID("$NetBSD: parser.c,v 1.87 2014/01/01 16:55:28 christos Exp $"); +__RCSID("$NetBSD: parser.c,v 1.88 2014/01/01 18:29:39 christos Exp $"); #endif #endif /* not lint */ @@ -433,11 +433,14 @@ TRACE(("expecting DO got %s %s\n", tokna noalias = 1; checkkwd = 2, readtoken(); /* - * This should be a do {} while loop as it was originally - * since POSIX mandates at least one case statement, but - * unfortunately both ksh and bash accept 'case x in esac' + * Both ksh and bash accept 'case x in esac' * so configure scripts started taking advantage of this. - * so do we. + * The page: http://pubs.opengroup.org/onlinepubs/\ + * 009695399/utilities/xcu_chap02.html contradicts itself, + * as to if this is legal; the "Case Conditional Format" + * paragraph shows one case is required, but the "Grammar" + * section shows a grammar that explicitly allows the no + * case option. */ while (lasttoken != TESAC) { *cpp = cp = (union node *)stalloc(sizeof (struct nclist));