use a copy of filename so it won't overwrite

kernel/Devices/Storage/ext2.c

@@ -146,9 +146,14 @@ uint32_t ext2_parse_path_to_inode_num(int8_t* filename)
 		return -1;
 	}
 
+	int8_t _tmpfilename[128];
+	int8_t* tmpfilename = _tmpfilename;	//kind of a hack
+
+	strcpy(filename, tmpfilename);
+
 	// ignore the first slash, since we know its there
-	filename++;
-	int8_t* end_pointer = filename;
+	tmpfilename++;
+	int8_t* end_pointer = tmpfilename;
 
 	int more_to_do = 1;
 
@@ -172,10 +177,10 @@ uint32_t ext2_parse_path_to_inode_num(int8_t* filename)
 
 		// this will now find the first entry in the root directory
 
-		inode = ext2_find_inode_num2(filename, inode);
+		inode = ext2_find_inode_num2(tmpfilename, inode);
 
 		if (!inode) {
-			printf("File not found: %s\n", filename);
+			printf("File not found: %s\n", tmpfilename);
 			return inode;
 		}
 
@@ -186,7 +191,7 @@ uint32_t ext2_parse_path_to_inode_num(int8_t* filename)
 		// might as well stop that even if they are out of scope soon
 		if (more_to_do) {
 			end_pointer++;
-			filename = end_pointer;
+			tmpfilename = end_pointer;
 		}
 
 	}