tmp

src/kernel/FbTty.cpp

@@ -10,6 +10,10 @@
 FbTty::FbTty(Framebuffer *fb) : _fb(fb) {
     _max_col = _fb->dimensions().x / 8;
     _max_row = _fb->dimensions().y / 16;
+    _buf.resize(_max_col);
+    for (auto &b: _buf) {
+        b.resize(_max_row);
+    }
 }
 void FbTty::putchar(char c) {
     if (c == '\n') {

src/kernel/FbTty.hpp

@@ -4,9 +4,10 @@
 
 #ifndef FBTTY_HPP
 #define FBTTY_HPP
+
 #include <PS2Keyboard.hpp>
 #include <Tty.hpp>
-
+#include <Vector.hpp>
 
 class Framebuffer;
 class FbTty : public Tty {
@@ -27,6 +28,8 @@ private:
     int _max_row = 0;
     int _max_col = 0;
 
+    Vector<Vector<char>> _buf;
+
     void next_col();
     void next_row();
 

src/kernel/templates/Vector.hpp

@@ -146,6 +146,34 @@ public:
         return out;
     }
 
+    void resize(size_t size) {
+        if (size == _cur_size) return;
+
+        if (size < _cur_size) {
+            for (int i = size; i < _cur_size; i++) {
+                if constexpr (!std::is_trivially_destructible<T>::value)
+                    std::destroy_at(_data + i);
+            }
+            _cur_size = size;
+            compact();
+            return;
+        }
+
+        if (size > _cur_size) {
+            if (_capacity < size) {
+                _capacity = size;
+                _data     = (T *) krealloc(reinterpret_cast<char *>(_data), _capacity * sizeof(T));
+            }
+            for (int i = size; i < _cur_size; i++) {
+                if constexpr (!std::is_trivially_constructible<T>::value)
+                    new (_data + i) T();
+                else
+                    memset((char *) (_data + i), 0, sizeof(T));
+            }
+            return;
+        }
+    }
+
     T       *data() { return _data; }
     const T *data() const { return _data; }