commit a6bbc0c96b0a1db804061b0db79101c6b26aec57 from: Peter Hofmann via: Hiltjo Posthuma date: Sat Oct 7 10:16:59 2023 UTC Fix bounds checks of dc.col dc.collen is the length of dc.col, not the maximum index, hence if x is equal to dc.collen, then it's an error. With config.def.h, the last valid index is 259, so this correctly reports "black": $ printf '\033]4;259;?\e\\' 260 is an invalid index and this reports garbage instead of printing an error: $ printf '\033]4;260;?\e\\' commit - eb3b894f4076f2b25afc644a1f444b5cbd96aae8 commit + a6bbc0c96b0a1db804061b0db79101c6b26aec57 blob - aa0999708da84930a9752da8dd6d5bdc9991bb5d blob + b36fb8c8f0ce6272d59224ac28d2b92333128507 --- x.c +++ x.c @@ -818,7 +818,7 @@ xloadcols(void) int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) { - if (!BETWEEN(x, 0, dc.collen)) + if (!BETWEEN(x, 0, dc.collen - 1)) return 1; *r = dc.col[x].color.red >> 8; @@ -833,7 +833,7 @@ xsetcolorname(int x, const char *name) { Color ncolor; - if (!BETWEEN(x, 0, dc.collen)) + if (!BETWEEN(x, 0, dc.collen - 1)) return 1; if (!xloadcolor(x, name, &ncolor))