From d5baae37348eab846154a920576f1bbc4de6373d Mon Sep 17 00:00:00 2001
From: shockrahwow <alejandros714@protonmail.com>
Date: Fri, 29 Nov 2019 01:45:30 -0800
Subject: [PATCH] printhex now a thing in stlio

---
 stlio.c | 19 ++++++++++---------
 stlio.h |  4 +---
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/stlio.c b/stlio.c
index a66f336..100b707 100644
--- a/stlio.c
+++ b/stlio.c
@@ -30,12 +30,6 @@ u32 write(const char* buffer, const u32 size) {
 	return i;
 }
 
-u32 read(char* buf, u32 n) {
-	// read n bytes from keyboard
-	return n;
-}
-
-
 void printf(const char* fmt) {
 	// Variadic fuller version of print on seperate branch but its nowhere near stable/ready/working
 	u32 size = strlen(fmt);
@@ -49,9 +43,16 @@ void printf(const char* fmt) {
 	}
 }
 
-void printHex(u32 num) {
-	u8 nibble = 0;
-	char map[15] = "0123456789abcdef";
+void printhex(u32 num) {
+	// Prints our hex version of whatever is given
+	const char _chars[] = "0123456789abcdef";
+	u32 idx = 0; // used as hash into the _chars mapping
+	// iterate over each nibble
+	for(u32 i = 0 ;i < 8;i++) {
+		idx = (ptr << (i * 4)) & 0xf0000000;
+		idx = idx >> 28;
+		putch(_chars[idx]);
+	}
 }
 
 void putch(const char c) {
diff --git a/stlio.h b/stlio.h
index 39d3771..6c73d39 100644
--- a/stlio.h
+++ b/stlio.h
@@ -7,10 +7,8 @@ u32 strlen(const char*);
 
 u32 write(const char*, const u32);
 
-u32 read(char*, u32);
-
 void printf(const char*);
 
-void printHex(u32);
+void printhex(u32);
 
 void putch(const char);