Re: [Fetchmail-users] ANNOUNCE: fetchmail 6.5.5 release candidate available (more C23/GCC15 fixes, password zeroing)

[Matthias A. <mat...@gm...>]

Am 23.09.25 um 12:21 schrieb Christian Ebert:
>
>
> * Matthias Andree via Fetchmail-users on Sunday, September 21, 2025 at 
> 15:03:17 +0200:
>> Am 21.09.25 um 10:24 schrieb Christian Ebert:
>>> Hi,
>>>
>>> * Matthias Andree via Fetchmail-users on Tuesday, September 16, 2025 
>>> at 12:51:18 +0200:
>>>> The 6.5.5.rc1 release candidate
>>>> of fetchmail is now available at the usual locations, including
>>>> <https://downloads.sourceforge.net/project/fetchmail/branch_6.5/>.
>>>
>>> Thank you.
>>>
>>>> Please test soon in your usual configuration, please compile with
>>>> -fsanitize=address,undefined added to CFLAGS if your compiler supports
>>>> that, and let me know if it's OK or if new issues show up.
>>>
>>> It doesn't build on macos x:
>>>
>>> [...]
>>> depbase=`echo explicit_bzero.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
>>>     gcc -DHAVE_CONFIG_H -DLOCALEDIR=\"/usr/local/share/locale\" -I. 
>>> -I/opt/local/libexec/openssl3/include -I/Users/chris/.local/include 
>>> -I/usr/local/include -I/opt/local/include -I/opt/local/include/X11 
>>> -I/opt/local/lib/ImageMagick7/include -DBIND_8_COMPAT 
>>> -I/Users/chris/.local/include -I/usr/local/include 
>>> -I/opt/local/include -I/opt/local/include/X11 
>>> -I/opt/local/lib/ImageMagick7/include -I/opt/local/include 
>>> -I/usr/kerberos/include -MT explicit_bzero.o -MD -MP -MF 
>>> $depbase.Tpo -c -o explicit_bzero.o explicit_bzero.c &&\
>>>     mv -f $depbase.Tpo $depbase.Po
>>> explicit_bzero.c:10:6: error: conflicting types for 'explicit_bzero'
>>>    10 | void explicit_bzero(char *buf, size_t sz)
>>>       |      ^
>>> ./fetchmail.h:713:6: note: previous declaration is here
>>>   713 | void explicit_bzero(void *buffer, size_t size);
>>>       |      ^
>>> 1 error generated.
>>> make[2]: *** [explicit_bzero.o] Error 1
>>> make[1]: *** [all-recursive] Error 1
>>> make: *** [all] Error 2
>>>
>> Thanks for the test and report. That's unintentional. This escaped my 
>> testing so far because all OSes I have tested so far do provide 
>> explicit_bzero.
>
> Kind of guessed it would be something like that.
>
>> Does it compile and work if you replace the "char *buf" by "void 
>> *buf" on line 10 in explicit_bzero.c?
>
> Compiles and works perfectly. Thanks a bunch.
>
> I was about to try the "void *buf", but better safe than sorry, so I 
> asked.
>
Hi Christian,

thanks for the re-test, I had sort of expected my patch would work from 
the error messagtes, and had already pushed it, so it will become part 
of upcoming fetchmail 6.5.5.
-> 
<https://gitlab.com/fetchmail/fetchmail/-/commit/8f2da41b80888f82b644eb638df3e44023ceec57>

Cheers,
Matthias