From 345624c74530aaca18f0ef1c4fdce70fd348cb99 Mon Sep 17 00:00:00 2001
From: Kitsu <mail@kitsu.me>
Date: Thu, 9 Dec 2021 14:32:45 +0300
Subject: [PATCH] Fix clean build and remove object

---
 src/lib.rs      |   1 +
 src/nanolibc.rs |  33 +++++++++++++++++++++++++++++++++
 src/syscalls.o  | Bin 1336 -> 0 bytes
 3 files changed, 34 insertions(+)
 create mode 100644 src/nanolibc.rs
 delete mode 100644 src/syscalls.o

diff --git a/src/lib.rs b/src/lib.rs
index 36f0969..79dcdf6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 #![no_std]
 
+mod nanolibc;
 mod sys;
 
 pub use sys::*;
diff --git a/src/nanolibc.rs b/src/nanolibc.rs
new file mode 100644
index 0000000..7993018
--- /dev/null
+++ b/src/nanolibc.rs
@@ -0,0 +1,33 @@
+#[no_mangle]
+pub unsafe extern "C" fn memcpy(dest: *mut u8, src: *const u8, n: usize) -> *mut u8 {
+    for i in 0..n {
+        *dest.add(i) = *src.add(i);
+    }
+
+    dest
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn memset(s: *mut u8, x: i32, n: usize) -> *mut u8 {
+    for i in 0..n {
+        *s.add(i) = x as u8;
+    }
+
+    s
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn memcmp(s1: *mut u8, s2: *const u8, n: usize) -> i32 {
+    for i in 0..n {
+        let x = *s1.add(i);
+        let y = *s2.add(i);
+        if x == y {
+            continue;
+        }
+
+        let (x, y) = (i32::from(x), i32::from(y));
+        return x - y;
+    }
+
+    0
+}
diff --git a/src/syscalls.o b/src/syscalls.o
deleted file mode 100644
index bb7de80f645d8486195b69bf968b889e6f83af9c..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 1336
zcmbtTJ4*vW5T1)~jUhe?L6KOgpo=L45s{PN3&cVYEDYh2oJLIU!re*|8#}=+KOz6a
zMz9wA6LvOsb~=;WiJLW*4(!c*-#4=}+1=dj9__^}3)n2!h9AT%z((vRw%ef%aTtTs
zgNL_ADtNJ**=I!WkCfR)u%F3nrk3`PPnT2av`C9JfPNHHxCU^c05Pzhh-0%9<{74y
zVBMa8RZm*8@uA@+igU=*B1_O`Cy~65WyS{&F##cITg0RF(j(>fm-_a@$JcKKps&Zt
z#4&MF<J-NEn^!zz_7FD0f>SPsq5z?E0-38_c}2gLD+W#tT(8)LqqCw}=uovQ0GmiO
z<~#d~uu+jt9z-aE$d@>hZe4;XI?@4=4?_?Izfy5M<UC)x0<U8gM=D$^eCgeYYT#Gh
zKsG=GZrKrTDR&V#6*ubrpYJRd(^(H1o7f8T-LlN@f$;(c#Pu<u{JDV{n)Qn)&^!5S
z{R-C7p7^A@jQdY@u~9BjJjc2g>#4pDw3zFd+Qnc9m;NS5tI`L}oQr;|ZdnAhr&-@p
zNoUHlGwVsG|E<jl%D2>@+<ydlnv?5iR9>&%Bz-EquKXx^x+Alm_BHR0N~)^AAfTC|
TJIn+|z3N|8;$<f@3e5U%ALLuF