Create vfs.c

Implementation for vfs

kernel/vfs.c

@@ -0,0 +1,19 @@
+#include "vfs.h"
+#include "kmalloc.h"
+#include "string_utils.h"
+
+vfs_node_t* vfs_root = NULL;
+
+uint32_t vfs_read(vfs_node_t* node, uint32_t offset, uint32_t size, uint8_t* buffer) {
+    if (node->read != NULL) {
+        return node->read(node, offset, size, buffer);
+    }
+    return 0;
+}
+
+vfs_node_t* vfs_finddir(vfs_node_t* node, const char* name) {
+    if ((node->flags & VFS_DIRECTORY) && node->finddir != NULL) {
+        return node->finddir(node, name);
+    }
+    return NULL;
+}