Date: Fri, 6 May 2011 20:45:50 +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: r221551 - head/bin/sh Message-ID: <201105062045.p46KjoUV065463@svn.freebsd.org>
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Author: jilles Date: Fri May 6 20:45:50 2011 New Revision: 221551 URL: http://svn.freebsd.org/changeset/base/221551 Log: sh: Change the CTL* bytes to ones invalid in UTF-8. This ensures that mbrtowc(3) can be used directly once it has been verified that there is no CTL* byte. Dealing with a CTLESC byte within a multibyte character would be complicated. The new values do occur in iso-8859-* encodings. This decreases efficiency slightly but should not affect correctness. Caveat: Updating across this change and rebuilding without cleaning may yield a subtly broken sh binary. By default, make buildworld will clean and avoid problems. Modified: head/bin/sh/parser.h Modified: head/bin/sh/parser.h ============================================================================== --- head/bin/sh/parser.h Fri May 6 20:43:02 2011 (r221550) +++ head/bin/sh/parser.h Fri May 6 20:45:50 2011 (r221551) @@ -34,16 +34,16 @@ */ /* control characters in argument strings */ -#define CTLESC '\201' -#define CTLVAR '\202' -#define CTLENDVAR '\203' -#define CTLBACKQ '\204' +#define CTLESC '\300' +#define CTLVAR '\301' +#define CTLENDVAR '\371' +#define CTLBACKQ '\372' #define CTLQUOTE 01 /* ored with CTLBACKQ code if in quotes */ /* CTLBACKQ | CTLQUOTE == '\205' */ -#define CTLARI '\206' -#define CTLENDARI '\207' -#define CTLQUOTEMARK '\210' -#define CTLQUOTEEND '\211' /* only for ${v+-...} */ +#define CTLARI '\374' +#define CTLENDARI '\375' +#define CTLQUOTEMARK '\376' +#define CTLQUOTEEND '\377' /* only for ${v+-...} */ /* variable substitution byte (follows CTLVAR) */ #define VSTYPE 0x0f /* type of variable substitution */
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