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fix crash verifying first tray can yield a move

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Had never needed an engine for a remote player before. So create one on
demand and nuke after use.
This commit is contained in:
Eric House 2021-01-18 16:55:20 -08:00
parent 2927ded334
commit ceec6e7468
1 changed files with 9 additions and 1 deletions
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8
xwords4/common/server.c
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@ -2408,7 +2408,11 @@ dupe_trayAllowsMoves( ServerCtxt* server, XWEnv xwe, XP_U16 turn,
XP_MEMCPY( &tmpTiles[nInTray], &tiles[0], nTiles * sizeof(tmpTiles[0]) );
/* XP_LOGF( "%s(nTiles=%d)", __func__, nTiles ); */
EngineCtxt* tmpEngine = NULL;
EngineCtxt* engine = server_getEngineFor( server, turn );
if ( !engine ) {
tmpEngine = engine = engine_make( MPPARM(server->mpool) server->vol.util );
}
XP_Bool canMove;
MoveInfo newMove = {0};
XP_U16 score = 0;
@ -2428,7 +2432,11 @@ dupe_trayAllowsMoves( ServerCtxt* server, XWEnv xwe, XP_U16 turn,
XP_LOGF( "%s(): no moves found for tray!!!", __func__ );
}
if ( !!tmpEngine ) {
engine_destroy( tmpEngine );
} else {
server_resetEngine( server, turn );
}
return result;
}