From 400deaef9106ce8c44b610935523bcce9e27ea9b Mon Sep 17 00:00:00 2001
From: antifallobst <antifallobst@systemausfall.org>
Date: Mon, 27 Feb 2023 22:40:22 +0100
Subject: [PATCH] feature (kernel utils): implemented octal_string to integer
 conversion

---
 kernel/inc/utils/math.h | 6 ++++--
 kernel/src/utils/math.c | 9 +++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/kernel/inc/utils/math.h b/kernel/inc/utils/math.h
index 69e8446..26d3cea 100644
--- a/kernel/inc/utils/math.h
+++ b/kernel/inc/utils/math.h
@@ -25,6 +25,7 @@
 #define NOX_MATH_H
 
 #include "stdtypes.h"
+#include "string.h"
 
 #define MAX(a, b)       (a > b ? a : b)
 #define MIN(a, b)       (a > b ? b : a)
@@ -36,7 +37,8 @@ typedef struct {
     uint64_t y;
 } position_T;
 
-uint64_t pow(uint64_t base, uint64_t exp);
-uint64_t abs(int64_t n);
+uint64_t pow                    (uint64_t base, uint64_t exp);
+uint64_t abs                    (int64_t n);
+uint64_t octal_string_to_int    (string_t string, uint8_t size);
 
 #endif //NOX_MATH_H
diff --git a/kernel/src/utils/math.c b/kernel/src/utils/math.c
index ad74787..b4c60dc 100644
--- a/kernel/src/utils/math.c
+++ b/kernel/src/utils/math.c
@@ -36,4 +36,13 @@ uint64_t abs(int64_t n) {
         return n * -1;
     }
     return n;
+}
+
+uint64_t octal_string_to_int(string_t string, uint8_t size) {
+    uint64_t n = 0;
+    for (int i = 0; i < size; i++) {
+        n *= 8;
+        n += string[i] - '0';
+    }
+    return n;
 }
\ No newline at end of file