jcs
/subtext
/amendments
/553
console: Don't panic when cursor is out of bounds, just clamp it
This is how our terminal size probing works, after all.
jcs made amendment 553 5 months ago
--- console.c Fri Nov 17 11:24:43 2023
+++ console.c Sun Nov 19 10:03:13 2023
@@ -161,8 +161,12 @@ console_idle(struct focusable *focusable, EventRecord
/* uncursor */
cursor = (console->cursor_line * console->ncolumns) +
console->cursor_column;
- if (cursor >= sizeof(console->attrs) - 1)
- panic("console_idle: cursor out of bounds!");
+ if (cursor >= sizeof(console->attrs) - 1) {
+ console->cursor_line = console->nlines - 1;
+ console->cursor_column = console->ncolumns - 1;
+ cursor = (console->cursor_line * console->ncolumns) +
+ console->cursor_column;
+ }
console->attrs[cursor] &= ~ATTR_CURSOR;
console->attrs[cursor] |= ATTR_DIRTY;