Prevent integer wrap on xlimit

This commit is contained in:
Kovid Goyal 2018-07-06 09:50:34 +05:30
parent 23fbf6f157
commit e27ea3337a
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@ -1764,7 +1764,7 @@ screen_selection_range_for_line(Screen *self, index_type y, index_type *start, i
index_type xlimit = line->xnum, xstart = 0;
while (xlimit > 0 && CHAR_IS_BLANK(line->cpu_cells[xlimit - 1].ch)) xlimit--;
while (xstart < xlimit && CHAR_IS_BLANK(line->cpu_cells[xstart].ch)) xstart++;
*start = xstart; *end = xlimit - 1;
*start = xstart; *end = xlimit > 0 ? xlimit - 1 : 0;
return true;
}