From 1994399448a298d3fc5474b3ca6272e1c699c7df Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Fri, 1 Nov 2019 13:13:40 +0100
Subject: Fixed VGA buffer logging

---
 src/kernel/lib/lib.h    |  8 ++++++++
 src/kernel/lib/string.c | 22 +++++++++++++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

(limited to 'src/kernel/lib')

diff --git a/src/kernel/lib/lib.h b/src/kernel/lib/lib.h
index 420dd5b..5cc3d1f 100644
--- a/src/kernel/lib/lib.h
+++ b/src/kernel/lib/lib.h
@@ -32,6 +32,14 @@ void strcat(char *dest, const char *src);
  */
 void strcpy(char *dest, const char *src);
 
+/**
+ * Convert an integer to a char array (string)
+ * @param i The integer
+ * @param b The char array
+ * @return The char pointer
+ */
+char *itoa(int i, char b[]);
+
 /**
  * Copy n data from src to dest
  * @param dest The destination array pointer
diff --git a/src/kernel/lib/string.c b/src/kernel/lib/string.c
index c171439..12b4b06 100644
--- a/src/kernel/lib/string.c
+++ b/src/kernel/lib/string.c
@@ -10,7 +10,7 @@ size_t strlen(const char *str) {
 
 size_t strcmp(const char *s1, const char *s2) {
     size_t s_a = strlen(s1);
-    for (size_t i = 0; i < s_a; i++) 
+    for (size_t i = 0; i < s_a; i++)
         if (s1[i] != s2[i])
             return 1;
     return 0;
@@ -30,3 +30,23 @@ void strcpy(char *dest, const char *src) {
     for (size_t i = 0; i < s_orig; i++) dest[i] = src[i];
     dest[s_orig] = 0;
 }
+
+char *itoa(int i, char b[]) {
+    char const digit[] = "0123456789";
+    char *p = b;
+    if (i < 0) {
+        *p++ = '-';
+        i *= -1;
+    }
+    int shifter = i;
+    do {
+        ++p;
+        shifter = shifter / 10;
+    } while (shifter);
+    *p = '\0';
+    do {
+        *--p = digit[i % 10];
+        i = i / 10;
+    } while (i);
+    return b;
+}
\ No newline at end of file
-- 
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