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

[Christian E. <bc...@ph...>]

* 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.

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