From: Jakub Jelinek <jakub@redhat.com>
To: Ulrich Drepper <drepper@redhat.com>,
Paolo Bonzini <bonzini@gnu.org>,
Isamu Hasegawa <isamu@yamato.ibm.com>
Cc: Glibc hackers <libc-hacker@sources.redhat.com>
Subject: [PATCH] Fix regex \w and \W handling
Date: Tue, 17 Jun 2003 21:27:00 -0000 [thread overview]
Message-ID: <20030617212703.GL20507@sunsite.ms.mff.cuni.cz> (raw)
Hi!
At least according to info sed, info grep and previous regex implementation,
\w should be [_[:alnum:]], not [_[:alpha:]] as current glibc regex uses.
Couldn't find a word about \w/\W in POSIX 2003 though.
Also, info sed mentions \s and \S to match any whitespace (or
non-whitespace), but apparently current sed does not handle it (as it uses
glibc regex). This might clash with \sCLASS and \SCLASS in emacs regexs
(support for them was in old glibc regex.c #ifdef emacs).
2003-06-17 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (build_word_op): Use alnum instead of alpha class.
--- libc/posix/regcomp.c.jj 2003-06-16 14:26:20.000000000 -0400
+++ libc/posix/regcomp.c 2003-06-17 16:39:27.000000000 -0400
@@ -3341,7 +3341,7 @@ build_word_op (dfa, trans, not, err)
#ifdef RE_ENABLE_I18N
mbcset, &alloc,
#endif /* RE_ENABLE_I18N */
- (const unsigned char *) "alpha", 0);
+ (const unsigned char *) "alnum", 0);
if (BE (ret != REG_NOERROR, 0))
{
Jakub
next reply other threads:[~2003-06-17 21:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-17 21:27 Jakub Jelinek [this message]
2003-06-17 22:40 ` Ulrich Drepper
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