commit e73651f12a406629778f02d8e5acbe2caec0dfc2 Author: Hiltjo Posthuma <hil...@codemadness.org> AuthorDate: Sat Mar 26 17:58:47 2022 +0100 Commit: Hiltjo Posthuma <hil...@codemadness.org> CommitDate: Sat Mar 26 17:58:47 2022 +0100
fix UB with the function iscntrl() From commit 6818e07291f3b2913e687c8ec3d3fe4711724050 by NRK, thanks diff --git a/dmenu.c b/dmenu.c index 085dc29..839f6cc 100644 --- a/dmenu.c +++ b/dmenu.c @@ -415,7 +415,7 @@ keypress(XKeyEvent *ev) switch(ksym) { default: insert: - if (!iscntrl(*buf)) + if (!iscntrl((unsigned char)*buf)) insert(buf, len); break; case XK_Delete: