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| From: | Paul Eggert |
| Subject: | Re: regex backward search broken |
| Date: | Fri, 5 Aug 2016 15:03:59 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 |
On 08/05/2016 12:29 PM, Todd Lewis wrote:
The diff below works around the problem, at least for re_search(), which is the only regex function I'm using. The problem seems to be mixing signed math -- 'range' is negative for backward searches -- with unsigned "Idx"-typed variables 'length' and 'start'. "Idx" is an unsigned type when _REGEX_LARGE_OFFSETS is defined.
Thanks, but Idx is now always a signed type, as of Gnulib commit f97745b0f632a9ddae3e48cec083dd71099d37c2 dated 2016-02-19. I guess you're using an older version of Gnulib. Does the current Gnulib version fix your bug in a different way?
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