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screen: fix off by one error in readCell bounds checks

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CJ van den Berg 2024-05-20 00:07:39 +02:00 committed by Tim Culverhouse
parent 0333e178bd
commit 9906a67ef6
1 changed files with 2 additions and 2 deletions
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4
src/Screen.zig
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@ -66,11 +66,11 @@ pub fn writeCell(self: *Screen, col: usize, row: usize, cell: Cell) void {
} }
pub fn readCell(self: *Screen, col: usize, row: usize) ?Cell { pub fn readCell(self: *Screen, col: usize, row: usize) ?Cell {
if (self.width < col) { if (self.width <= col) {
// column out of bounds // column out of bounds
return null; return null;
} }
if (self.height < row) { if (self.height <= row) {
// height out of bounds // height out of bounds
return null; return null;
} }