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James Harvey (again) points out an array underrun in the new

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clash-checking code in Solo. (valgrind confirms it.)

[originally from svn r5916]
This commit is contained in:
Simon Tatham
2005-06-07 19:07:58 +00:00
parent 0eb40587eb
commit fba6fc61eb
1 changed files with 3 additions and 3 deletions
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solo.c
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@ -2238,9 +2238,9 @@ static void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
/* Mark obvious errors (ie, numbers which occur more than once /* Mark obvious errors (ie, numbers which occur more than once
* in a single row, column, or box). */ * in a single row, column, or box). */
if ((ds->entered_items[x*cr+d-1] & 2) || if (d && ((ds->entered_items[x*cr+d-1] & 2) ||
(ds->entered_items[y*cr+d-1] & 8) || (ds->entered_items[y*cr+d-1] & 8) ||
(ds->entered_items[((x/r)+(y/c)*c)*cr+d-1] & 32)) (ds->entered_items[((x/r)+(y/c)*c)*cr+d-1] & 32)))
highlight |= 16; highlight |= 16;
draw_number(fe, ds, state, x, y, highlight); draw_number(fe, ds, state, x, y, highlight);