> From: Keith Marshall <keith****@users*****> > Date: Fri, 11 Jan 2019 20:39:56 +0000 > > Thanks. It is a real bug, introduced in mingwrt-5.2, while attempting > to avoid a char * vs. unsigned char * type mismatch warning; the > simplest change was, unfortunately, the wrong choice. The attached > patch should fix it. Thanks. I hope it will be possible to have a fixed runtime distribution soon, as currently the inline implementation of mkstemp in stdlib.h really makes it very hard to build programs that use mkstemp.