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Implement support for board preallocation

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This commit is contained in:
Gabriel Tofvesson 2020-02-25 19:32:11 +01:00
parent c7730e0c84
commit 0e4506cd52
2 changed files with 2 additions and 4 deletions
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5
board.c
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@ -597,6 +597,7 @@ board_place (
struct board * struct board *
board_place_speculative ( board_place_speculative (
const struct board *board, const struct board *board,
struct board *board_duplicate,
board_pos x, board_pos x,
board_pos y, board_pos y,
element_value value element_value value
@ -608,14 +609,10 @@ board_place_speculative (
if (board_can_place_value (board, x, y, value)) if (board_can_place_value (board, x, y, value))
{ {
/* Create duplicate and place value */ /* Create duplicate and place value */
struct board *board_duplicate = malloc (sizeof (struct board));
board_copy (board, board_duplicate); board_copy (board, board_duplicate);
if (! board_place (board_duplicate, x, y, value)) if (! board_place (board_duplicate, x, y, value))
{
free (board_duplicate);
return NULL; return NULL;
}
return board_duplicate; return board_duplicate;
} }

1
board.h
View File

@ -261,6 +261,7 @@ board_place (
struct board * struct board *
board_place_speculative ( board_place_speculative (
const struct board *board, const struct board *board,
struct board *board_duplicate,
board_pos x, board_pos x,
board_pos y, board_pos y,
element_value value element_value value