https://bugs.exim.org/show_bug.cgi?id=2707
Pietro Cerutti <gahr@???> changed:
What |Removed |Added
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CC| |gahr@???
--- Comment #2 from Pietro Cerutti <gahr@???> ---
We're currently being hit by this in NeoMutt on OpenSUSE, after an upgrade of
OpenSUSE that presumably brought in ncursesw linked against pcre2-posix.
In NeoMutt, we have pcre2 as an optional dependency. We have a module that
handles pre-defined regexes which works with both libc and pcre2:
https://github.com/neomutt/neomutt/blob/59883cac472582b69f0f3dbf8ba1f65e08556650/mutt/prex.c#L307-L337
The issue we have is that because ncursesw brings in pcre2-posix, if we build
without pcre2 support, we don't have HAVE_PCRE2 defined, so we fall-back to the
POSIX API, but those symbols are resolved in pcre2.
The net effect here is that the re->re_nsub member is 0 after a regexec, which
triggers an assert in our code (line 333).
Are you planning on removing the POSIX APIs from the pcre2-posix library and
keeping the #define foo pcre2_foo in the header? If so, do you have a timeline
for a new release with the fix?
Thanks!
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