diff options
| -rw-r--r-- | form.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -442,6 +442,8 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form) switch (form->type) { case FORM_INPUT_CHECKBOX: case FORM_INPUT_RADIO: + if (spos >= buf->currentLine->len || spos < 0) + break; if (form->checked) buf->currentLine->lineBuf[spos] = '*'; else @@ -487,7 +489,7 @@ formUpdateBuffer(Anchor *a, Buffer *buf, FormItemList *form) spos = a->start.pos; epos = a->end.pos; } - if (a->start.line != a->end.line || spos > epos || epos >= l->len) + if (a->start.line != a->end.line || spos > epos || epos >= l->len || spos < 0 || epos < 0) break; pos = form_update_line(l, &p, spos, epos, COLPOS(l, epos) - col, rows > 1, |