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Fix two copy/paste bugs: forbid zero-length buffers to prevent a fatal error

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when trying to paste them, found by me, and miscalculation of the start/end
causing random fatal errors when copying in copy-mode, reported by sthen.

ok sthen "put it in" deraadt
This commit is contained in:
Nicholas Marriott
2009-07-02 16:15:43 +00:00
parent 4c5c125173
commit fe5edad1fc
3 changed files with 5 additions and 2 deletions
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2
window-copy.c
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@ -423,7 +423,7 @@ window_copy_copy_selection(struct window_pane *wp, struct client *c)
/* Find start and end. */
xx = data->cx + data->ox;
yy = screen_hsize(&wp->base) + data->cy - data->oy;
if (xx < data->selx || (yy == data->sely && xx < data->selx)) {
if (yy < data->sely || (yy == data->sely && xx < data->selx)) {
sx = xx; sy = yy;
ex = data->selx; ey = data->sely;
} else {