newline support in putch

stlio.c

@@ -1,5 +1,9 @@
+#include "types.h"
+#include "kbd.h"
 #include "stlio.h"
 
+extern char kbd_prev_key;
+extern int kbd_prev_active;
 static u8 COLOR_FG = Green;
 static u8 COLOR_BG = White;
 
@@ -30,6 +34,26 @@ u32 write(const char* buffer, const u32 size) {
 	return i;
 }
 
+u32 read(char* buffer, u32 size) {
+	// Read up to size-1 characters or until a \n is written
+	// once we reacch size -1 bytes read then we change the last char to a \0
+	kbd_prev_active = false; // we only do this to discard the leftovers from 
+	u32 bytes_read = 0;
+
+	while(bytes_read < size-1) {
+		if(kbd_prev_active) {
+			bytes_read++;
+			if(kbd_prev_key == '\n') {
+				break;
+			}
+			else {
+				buffer[bytes_read] = kbd_prev_key;
+			}
+		}
+	}
+	printf("You entered: "); printf(buffer);
+	return bytes_read;
+}
 void printf(const char* fmt) {
 	// Variadic fuller version of print on seperate branch but its nowhere near stable/ready/working
 	u32 size = strlen(fmt);
@@ -56,5 +80,10 @@ void printhex(u32 num) {
 }
 
 void putch(const char c) {
-	write_char(c);
+	if(c == '\n') {
+		frame_buffer_newline();
+	}
+	else {
+		write_char(c);
+	}
 }