[src/trunk]: src/external/bsd/nvi/dist/regex Fix search for collating symbols...

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3cf9bba683d9
branches:  trunk
changeset: 1021204:3cf9bba683d9
user:      rin <rin%NetBSD.org@localhost>
date:      Mon May 17 04:01:57 2021 +0000

description:
Fix search for collating symbols in form of [[.foo.]], as in a similar
manner as already done for POSIX character classes by upstream:

https://github.com/visrc/nvi/commit/fd5795cc9890581b9783a0ff96e0b44d6b38e26a#diff-42d58222b328681b9923634991312932089876a0242f78cf488157aa24969c1a

(We already have this change since initial import to external/bsd/nvi.)

Found by tnozaki. Thanks!

diffstat:

 external/bsd/nvi/dist/regex/regcomp.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r a46c75a9b58b -r 3cf9bba683d9 external/bsd/nvi/dist/regex/regcomp.c
--- a/external/bsd/nvi/dist/regex/regcomp.c     Sun May 16 19:42:35 2021 +0000
+++ b/external/bsd/nvi/dist/regex/regcomp.c     Mon May 17 04:01:57 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: regcomp.c,v 1.7 2017/11/12 16:33:31 christos Exp $ */
+/*     $NetBSD: regcomp.c,v 1.8 2021/05/17 04:01:57 rin Exp $ */
 /*-
  * Copyright (c) 1992, 1993, 1994 Henry Spencer.
  * Copyright (c) 1992, 1993, 1994
@@ -44,7 +44,7 @@
 static char sccsid[] = "@(#)regcomp.c  8.4 (Berkeley) 3/19/94";
 #endif /* LIBC_SCCS and not lint */
 #else
-__RCSID("$NetBSD: regcomp.c,v 1.7 2017/11/12 16:33:31 christos Exp $");
+__RCSID("$NetBSD: regcomp.c,v 1.8 2021/05/17 04:01:57 rin Exp $");
 #endif
 
 #include <sys/types.h>
@@ -934,7 +934,7 @@
        }
        len = p->next - sp;
        for (cp = cnames; cp->name != NULL; cp++)
-               if (STRLEN(cp->name) == len && MEMCMP(cp->name, sp, len))
+               if (STRLEN(cp->name) == len && !MEMCMP(cp->name, sp, len))
                        return(cp->code);       /* known name */
        if (len == 1)
                return(*sp);    /* single character */