Add a bunch of C header samples for the Bayesian classifier

samples/C/vfs.h

@@ -0,0 +1,56 @@
+#pragma once
+
+/* Copyright © 2010, 2011 Lukas Martini
+ *
+ * This file is part of Xelix.
+ *
+ * Xelix is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Xelix is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Xelix.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <lib/generic.h>
+
+#define VFS_SEEK_SET 0
+#define VFS_SEEK_CUR 1
+#define VFS_SEEK_END 2
+
+typedef struct {
+   uint64_t num;
+   char path[512];
+   char mount_path[512];
+   uint32_t offset;
+   uint32_t mountpoint;
+} vfs_file_t;
+
+typedef struct {
+   uint64_t num;
+   char path[512];
+   char mount_path[512];
+   uint32_t mountpoint;
+} vfs_dir_t;
+
+typedef void* (*vfs_read_callback_t)(char* path, uint32_t offset, uint32_t size);
+typedef char* (*vfs_read_dir_callback_t)(char* path, uint32_t offset);
+
+
+// Used to always store the last read/write attempt (used for kernel panic debugging)
+char vfs_last_read_attempt[512];
+
+vfs_file_t* vfs_get_from_id(uint32_t id);
+vfs_dir_t* vfs_get_dir_from_id(uint32_t id);
+void* vfs_read(vfs_file_t* fp, uint32_t size);
+char* vfs_dir_read(vfs_dir_t* dir, uint32_t offset);
+void vfs_seek(vfs_file_t* fp, uint32_t offset, int origin);
+vfs_file_t* vfs_open(char* path);
+vfs_dir_t* vfs_dir_open(char* path);
+int vfs_mount(char* path, vfs_read_callback_t read_callback, vfs_read_dir_callback_t read_dir_callback);