From 389452ec3f1a19db43b8c36ad4885c5027e8694d Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Fri, 17 May 2019 09:57:14 +0200
Subject: [PATCH] printf: also write on serial

---
 core/klibc.c     |  2 ++
 drivers/serial.c |  4 ++--
 drivers/serial.h |  2 +-
 tests/test.c     | 10 +++++-----
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/core/klibc.c b/core/klibc.c
index 50ca096..fcd64f3 100644
--- a/core/klibc.c
+++ b/core/klibc.c
@@ -1,4 +1,5 @@
 #include "klibc.h"
+#include "serial.h"
 #include "vga.h"
 
 int memcmp(const void *aptr, const void *bptr, size_t size)
@@ -116,6 +117,7 @@ void puts(const char *str)
 
 void putc(const char str){
     VGAputc(str);
+    serialPutc(str);
 }
 
 void printInt(int integer)
diff --git a/drivers/serial.c b/drivers/serial.c
index a431b5e..bc9b11e 100644
--- a/drivers/serial.c
+++ b/drivers/serial.c
@@ -39,7 +39,7 @@ int isTransmitEmpty()
    return (inb(PORT + 5) & 0x20);
 }
 
-void serialWrite(char a)
+void serialPutc(char a)
 {
    while (isTransmitEmpty() == 0)
       ;
@@ -51,5 +51,5 @@ void serialDoIrq(struct interrupt_frame *level)
 {
    (void)level;
    char c = inb(PORT);
-   serialWrite(c);
+   serialPutc(c);
 }
diff --git a/drivers/serial.h b/drivers/serial.h
index 15db74a..0a129e3 100644
--- a/drivers/serial.h
+++ b/drivers/serial.h
@@ -2,5 +2,5 @@
 #include "irq.h"
 
 void serialSetup(int speed);
-void serialWrite(char a);
+void serialPutc(char a);
 void serialDoIrq(struct interrupt_frame *frame);
diff --git a/tests/test.c b/tests/test.c
index 7442d23..17ffc57 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -221,11 +221,11 @@ void run_test(void)
 {
 	testPaging();
 	printf("Testing Serial\n");
-	serialWrite('h');
-	serialWrite('e');
-	serialWrite('l');
-	serialWrite('l');
-	serialWrite('o');
+	serialPutc('h');
+	serialPutc('e');
+	serialPutc('l');
+	serialPutc('l');
+	serialPutc('o');
 	testAlloc();
 	printf("Testing backtrace\n");
 	test_backtrace();