Date: Tue, 6 Sep 2022 12:12:48 +0200 From: Gabriel Ravier <gabravier@...il.com> To: musl@...ts.openwall.com Subject: ecvt(0, 0, ...) is broken Executing ecvt(0, 0, &decpt, &sign) results in musl returning "000000000000000". This seems highly likely to be a bug considering that glibc returns "" and I see no plausible reasoning for musl's behavior that could be justified by the standard. This seems to be caused by musl's ecvt containing this line of code: if (n-1U > 15) n = 15; which I would assume was not intended to match n == 0.
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