X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/46f8786311d03a7d9869d814a3d6f020a3498ed4..358553d9f9e9f4414e54d210807fb27832117884:/src/btree.cpp?ds=inline

diff --git a/src/btree.cpp b/src/btree.cpp
index 6771746..0ad4961 100644
--- a/src/btree.cpp
+++ b/src/btree.cpp
@@ -33,11 +33,27 @@ BTree::BTree (const std::string &name, unsigned int block_size, int tt, int kt,
 	delete [] node;
 }
 
+BTree::BTree (const std::string &name)
+{
+	fp = fopen (name.c_str(), "rb+");
+	if (!fp) {
+		/* TODO : mandar una exception ? */
+		return;
+	}
+	ReadFileHeader ();
+}
+
 BTree::~BTree ()
 {
 	fclose (fp);
 }
 
+void BTree::ReadFileHeader ()
+{
+	fseek (fp, 0L, SEEK_SET);
+	fread (&header, 1, sizeof (BTreeFileHeader), fp);
+}
+
 void BTree::WriteFileHeader ()
 {
 	fseek (fp, 0L, SEEK_SET);