X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/aaa9a007ee4af6b40d2eefef15bccc51f92e17d9..d1cfb7971a17f744717953a0466ee2efbd53f442:/src/btree.cpp?ds=inline

diff --git a/src/btree.cpp b/src/btree.cpp
index ae98139..a063bef 100644
--- a/src/btree.cpp
+++ b/src/btree.cpp
@@ -45,7 +45,8 @@ void BTree::WriteFileHeader ()
 
 void BTree::WriteBlock (uchar *block, uint num)
 {
-	fseek (fp, num*header.block_size + sizeof (BTreeFileHeader), SEEK_SET);
+	num++;
+	fseek (fp, num*header.block_size, SEEK_SET);
 	fwrite (block, 1, header.block_size, fp);
 }
 
@@ -402,9 +403,14 @@ void BTree::WriteNodoHeader (uchar *node, BTreeNodeHeader *header)
 
 uchar *BTree::ReadBlock (uint num)
 {
+	/* Como el bloque 0 se usa para el header, el Nodo "num"
+	 * está en el bloque "num+1"
+	 */
+	num++;
+
 	uchar *out = new uchar[header.block_size];
 
-	fseek (fp, num*header.block_size + sizeof (BTreeFileHeader), SEEK_SET);	
+	fseek (fp, num*header.block_size, SEEK_SET);	
 	fread (out, 1, header.block_size, fp);
 
 	return out;
@@ -501,7 +507,7 @@ uchar *BTree::NewBlock (uint &num)
 	fseek (fp, 0, SEEK_END);
 	filelen = ftell (fp);
 
-	num = (filelen - sizeof (BTreeFileHeader))/header.block_size;
+	num = filelen/header.block_size - 1;
 
 	node = new uchar[header.block_size];
 	ReadNodoHeader (node, &nh);