tab-complete: figure out the size before copying 528d39b0 
we already need to know the string length since `cursor` needs to be
adjusted.

so just calculate the length beforehand and use `memcpy` to copy exactly
as much as needed (as opposed to `strncpy` which always writes `n`
bytes).
NRK · 2022-09-01 23:51 1 file(s) · +2 −2
dmenu.c +2 −2
517 517 
	case XK_Tab:
518 518 
		if (!sel)
519 519 
			return;
520 - 
		strncpy(text, sel->text, sizeof text - 1);
520 + 
		cursor = strnlen(sel->text, sizeof text - 1);
521 + 
		memcpy(text, sel->text, cursor);
521 522 
		text[sizeof text - 1] = '\0';
522 - 
		cursor = strlen(text);
523 523 
		match();
524 524 
		break;
525 525 
	}