Am 27.02.25 um 01:41 schrieb Jeremy Harris via Exim-dev:
On 2/26/25 8:45 PM, Heiko Schlittermann via Exim-dev wrote:
Andreas Piesk via Exim-dev <exim-dev@lists.exim.org> (Mi 26 Feb 2025 19:52:57
CET):
I get warnings like these when compiling exim with gcc on linux:
pdkim.c: In function ‘pdkim_parse_sig_header’:
pdkim.c:615:65: warning: unknown conversion type character ‘Y’ in format
[-Wformat=]
615 | bad_tag: DEBUG(D_acl) debug_printf(" Unknown tag encountered: %Y\n",
cur_tag);
| ^
my printf() doesn't know about %Y and i don't see a register_printf_function,
what I'm missing here?
src/string.c around L 1637 should be used for interpreting this. So I'm
not sure, why gcc complains here. Either because it is overly sensible
Because it thinks that anything printf-like must be exactly the printf()s that
it knows about. You could ignore it, or you could delve around in the gcc docs
to try to find the -W to turn off the warning.
For anyone that cares, %Y in Exim's printf-like internal string handling
takes a "gstring" - a pointer-plus-count object.
Thanks to all responders, I will turn it off with -Wno-format.
Best,
-ap
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