X-Git-Url: https://git.harvie.cz/?a=blobdiff_plain;f=demos%2Ftrees.c;fp=demos%2Ftrees.c;h=44c9ad5903c6eda277c02ad921ffa69dbea5bf16;hb=14e7e05a2fb08966aa8039c31519caa5d4b08a93;hp=788989ee00e57f8ac5114d34c6a4a78ce98e4c6c;hpb=a68153bf02baf64e3b6cbf3da18308636beef4f3;p=svn%2FCll1h%2F.git diff --git a/demos/trees.c b/demos/trees.c index 788989e..44c9ad5 100644 --- a/demos/trees.c +++ b/demos/trees.c @@ -23,12 +23,15 @@ program //grow tree { void *prev = NULL, *newleaf = leaf; + + //find where to store for(leaf=root; leaf && leaf->__key <= newkey ; leaf=leaf->__next) { prev = leaf; if(leaf->__seek && leaf->__seek->key <= newkey) leaf=leaf->__seek; } + //store new node if(prev) { @@ -37,7 +40,18 @@ program { } - + + //reindex B+ tree + for(leaf=root; leaf->__next ; leaf=leaf->__next) + { + if (leaf->__seek) + { + if (leaf->__key <= newkey) + leaf->__seek=leaf->__seek->__next; + } + else + leaf->__seek=leaf->__next->__seek; + } } } }