From f0284a0cde6c82cc177ad6925980f9fac22d2d7d Mon Sep 17 00:00:00 2001
From: ErrorNoInternet <errornointernet@envs.net>
Date: Thu, 22 Aug 2024 14:25:08 +0800
Subject: [PATCH] fix(itoa): handle zero correctly

---
 itoa.S | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/itoa.S b/itoa.S
index 4c8a869..2000283 100644
--- a/itoa.S
+++ b/itoa.S
@@ -1,18 +1,16 @@
 itoa:
 	mov rsi, 10
 
-itoa_loop:
+itoa_convert:
+	xor  rdx, rdx
+	div  rbx
+	add  rdx, '0'
+	dec  rsi
+	mov  [rdi + rsi], dl
 	test rax, rax
 	jne  itoa_convert
 
+itoa_done:
 	mov rcx, 10
 	sub rcx, rsi
 	ret
-
-itoa_convert:
-	xor rdx, rdx
-	div rbx
-	add rdx, '0'
-	dec rsi
-	mov [rdi + rsi], dl
-	jmp itoa_loop