On September 22, 2021 1:22 PM, I wrote: >On September 22, 2021 12:13 PM, Junio C Hamano: >>Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> writes: >> >>> I.e. complaining about "%m$" instead of "%" in printf formats, it's >>> easy enough to fix in my case, it's just something I used to >>> de-duplicate a rather complex format, this makes it C(89|99)-compliant: >>> >>> - strbuf_addf(&fmt, "%%s%%s%%s-%%0%1$lud.%%0%1$lud-%%s-%%s-%%s", >>> - (unsigned long)tmp.len); >>> + strbuf_addf(&fmt, "%%s%%s%%s-%%0%lud.%%0%lud-%%s-%%s-%%s", >>> + (unsigned long)tmp.len, (unsigned long)tmp.len); >>> >>> But in general, do we view -pedantic as an implicit endorsement that >>> we should be using less POSIX and more standard C than we otherwise would? >>> >>> I may be wrong, but I believe that construct is widely portable, we >>> don't use it in the main source, but in the po/ files (so anything >>> that uses git + gettext tests for this already): >> >>Reordering (_("%s %s"), a, b) to ("%2$s %1$s", a, b) is essential to make po/ work. >> >>While I do not think of a reason why it should not work, I am not sure duplicating (%1$s %1$s", a) falls into the same category. >> >>Any solution that makes the per-cent ridden format string is better > >Positional parameters do not work on all POSIX platforms. Please do not do this. NonStop will be locked out of future git releases. I went back and checked the NonStop case history, which I should have done first. The issue was in wprintf and the fix was deployed, it just never made our development box. Nevermind. I'm sorry. -Randall