Date: Sun, 13 Jan 2013 19:26:33 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r245382 - in head: bin/sh tools/regression/bin/sh/parser Message-ID: <201301131926.r0DJQXQS064110@svn.freebsd.org>
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Author: jilles Date: Sun Jan 13 19:26:33 2013 New Revision: 245382 URL: http://svnweb.freebsd.org/changeset/base/245382 Log: sh: Fix crash when parsing '{ } &'. MFC after: 1 week Added: head/tools/regression/bin/sh/parser/empty-braces1.0 (contents, props changed) Modified: head/bin/sh/parser.c Modified: head/bin/sh/parser.c ============================================================================== --- head/bin/sh/parser.c Sun Jan 13 19:19:40 2013 (r245381) +++ head/bin/sh/parser.c Sun Jan 13 19:26:33 2013 (r245382) @@ -240,9 +240,9 @@ list(int nlflag, int erflag) n2 = andor(); tok = readtoken(); if (tok == TBACKGND) { - if (n2->type == NPIPE) { + if (n2 != NULL && n2->type == NPIPE) { n2->npipe.backgnd = 1; - } else if (n2->type == NREDIR) { + } else if (n2 != NULL && n2->type == NREDIR) { n2->type = NBACKGND; } else { n3 = (union node *)stalloc(sizeof (struct nredir)); Added: head/tools/regression/bin/sh/parser/empty-braces1.0 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/tools/regression/bin/sh/parser/empty-braces1.0 Sun Jan 13 19:26:33 2013 (r245382) @@ -0,0 +1,7 @@ +# $FreeBSD$ + +# Unfortunately, some scripts depend on the extension of allowing an empty +# pair of braces. + +{ } & +wait $!
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