fix bugs found in brk & add simple security checks on lx_free

[lunaix-os.git] / lunaix-os / includes / lunaix / tty / tty.h

diff --git a/lunaix-os/includes/lunaix/tty/tty.h b/lunaix-os/includes/lunaix/tty/tty.h
index c1a9a92a258fe9f11aa12db353532ff84f68f26e..5c03ca29a845a0d3e76986b4ca89679376f831ac 100644 (file)
--- a/lunaix-os/includes/lunaix/tty/tty.h
+++ b/lunaix-os/includes/lunaix/tty/tty.h
@@ -1,3 +1,5 @@
+#ifndef __LUNAIX_TTY_H
+#define __LUNAIX_TTY_H
 typedef unsigned short vga_attribute;
 
 #define VGA_COLOR_BLACK 0
@@ -17,6 +19,12 @@ typedef unsigned short vga_attribute;
 #define VGA_COLOR_LIGHT_BROWN 14
 #define VGA_COLOR_WHITE 15
 
+void 
+tty_init(void* vga_buf);
+
+void
+tty_set_buffer(void* vga_buf);
+
 void
 tty_set_theme(vga_attribute fg, vga_attribute bg);
 
@@ -30,4 +38,16 @@ void
 tty_scroll_up();
 
 void
-tty_clear();
\ No newline at end of file
+tty_clear();
+
+void 
+tty_clear_line(unsigned int y);
+
+void
+tty_set_cpos(unsigned int x, unsigned int y);
+
+void
+tty_get_cpos(unsigned int* x, unsigned int* y);
+
+
+#endif /* __LUNAIX_TTY_H */