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

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

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.

Does it compile and work if you replace the "char *buf" by "void *buf" 
on line 10 in explicit_bzero.c?