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[PATCH 3/3] grep: Fix false multi-byte matches in some regular expressio
From: |
Stanislav Brabec |
Subject: |
[PATCH 3/3] grep: Fix false multi-byte matches in some regular expressions |
Date: |
Fri, 10 Feb 2012 20:45:53 +0100 |
However I don't have a reproducer for the bug mentioned in PATCH 1/3, I
believe, that it may appear in grep as well. All other packages that
embed its own copy of regex_internal.c with I18N support enabled are
affected as well.
Index: grep-2.9/lib/regex_internal.c
===================================================================
--- grep-2.9.orig/lib/regex_internal.c
+++ grep-2.9/lib/regex_internal.c
@@ -500,7 +500,7 @@ re_string_skip_chars (re_string_t *pstr,
{
wchar_t wc2;
Idx remain_len;
- remain_len = pstr->len - rawbuf_idx;
+ remain_len = pstr->raw_len - rawbuf_idx;
prev_st = pstr->cur_state;
mbclen = __mbrtowc (&wc2, (const char *) pstr->raw_mbs + rawbuf_idx,
remain_len, &pstr->cur_state);
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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