middle_ladder_walk(): Use alloca() for board copy allocation
commit0a72fc6441bdcf195377002aa73497d8b5c7ceaf
authorPetr Baudis <pasky@ucw.cz>
Wed, 1 Aug 2012 20:55:13 +0000 (1 22:55 +0200)
committerPetr Baudis <pasky@ucw.cz>
Wed, 1 Aug 2012 20:55:13 +0000 (1 22:55 +0200)
tree3a09417c88e6927854c9d355507f49cfe7f2919f
parent785ff3e080b5d32f19726e8d8e8119da7fa30936
middle_ladder_walk(): Use alloca() for board copy allocation

This should somewhat reduce stack usage which seems to give us some trouble with deep ladders.
tactics/ladder.c