`ncuses-6.3` added printf-style function attributes and now makes it easier to catch cases when user input is used in palce of format string when built with CFLAGS=-Werror=format-security: aewan.c: In function 'paint_screen': aewan.c:147:7: error: format not a string literal and no format arguments [-Werror=format-security] 147 | printw(msg); | ^~~~~~ Let's pull a patch pending upstream inclusion.main
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