Mercurial > hg > octave-jordi > gnulib-hg
changeset 16387:53295e65981f
regex: fix false multibyte matches in some regular expressions
See <http://sourceware.org/bugzilla/show_bug.cgi?id=13637>
and <http://sourceware.org/ml/libc-alpha/2012-02/msg00521.html>.
* lib/regex_internal.c (re_string_skip_chars):
Fix miscomputation of remain_len that may cause incomplete
multi-byte character and false match.
| author | Stanislav Brabec <sbrabec@suse.cz> |
|---|---|
| date | Fri, 24 Feb 2012 12:24:44 -0800 |
| parents | bb8c8cc1050d |
| children | d0e332889b10 |
| files | ChangeLog lib/regex_internal.c |
| diffstat | 2 files changed, 10 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2012-02-24 Stanislav Brabec <sbrabec@suse.cz> (tiny change) + + regex: fix false multibyte matches in some regular expressions + See <http://sourceware.org/bugzilla/show_bug.cgi?id=13637> + and <http://sourceware.org/ml/libc-alpha/2012-02/msg00521.html>. + * lib/regex_internal.c (re_string_skip_chars): + Fix miscomputation of remain_len that may cause incomplete + multi-byte character and false match. + 2012-02-24 Jim Meyering <meyering@redhat.com> maint.mk: tell sc_prohibit_strcmp to ding "0 == strcmp (...)", too
--- a/lib/regex_internal.c +++ b/lib/regex_internal.c @@ -498,7 +498,7 @@ rawbuf_idx < new_raw_idx;) { wchar_t wc2; - Idx remain_len = pstr->len - rawbuf_idx; + 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);