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grid_free(): allow being called with grid == NULL

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Daniel Eklöf 2022-10-18 18:30:02 +02:00
parent 09d52d5db6
commit c4f08a3b9a
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1 changed files with 3 additions and 0 deletions
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grid.c
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@ -287,6 +287,9 @@ grid_snapshot(const struct grid *grid)
void void
grid_free(struct grid *grid) grid_free(struct grid *grid)
{ {
if (grid == NULL)
return;
for (int r = 0; r < grid->num_rows; r++) for (int r = 0; r < grid->num_rows; r++)
grid_row_free(grid->rows[r]); grid_row_free(grid->rows[r]);