Module Name: src Committed By: christos Date: Wed Jan 1 16:55:28 UTC 2014
Modified Files: src/bin/sh: parser.c Log Message: explain the previous fix. To generate a diff of this commit: cvs rdiff -u -r1.86 -r1.87 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:1.86 src/bin/sh/parser.c:1.87 --- src/bin/sh/parser.c:1.86 Tue Dec 31 17:53:57 2013 +++ src/bin/sh/parser.c Wed Jan 1 11:55:28 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: parser.c,v 1.86 2013/12/31 22:53:57 christos Exp $ */ +/* $NetBSD: parser.c,v 1.87 2014/01/01 16:55:28 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 1.86 2013/12/31 22:53:57 christos Exp $"); +__RCSID("$NetBSD: parser.c,v 1.87 2014/01/01 16:55:28 christos Exp $"); #endif #endif /* not lint */ @@ -432,7 +432,14 @@ TRACE(("expecting DO got %s %s\n", tokna cpp = &n1->ncase.cases; noalias = 1; checkkwd = 2, readtoken(); - while(lasttoken != TESAC) { + /* + * 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' + * so configure scripts started taking advantage of this. + * so do we. + */ + while (lasttoken != TESAC) { *cpp = cp = (union node *)stalloc(sizeof (struct nclist)); if (lasttoken == TLP) readtoken();