bozo

2024-03-27 23:02:24 +01:00
parent f9396fc10e
commit b7a3b7140b
4 changed files with 25 additions and 16 deletions
--- a/ft_strdup.s
+++ b/ft_strdup.s
@@ -5,18 +5,18 @@ extern ft_strcpy
 extern malloc

 ft_strdup:
-    call ft_strlen
-    inc rax
-    push rdi
+    call ft_strlen 
+    inc rax       ; we add one to the result of strlen for the \0
+    push rdi	  ; we put rdi in r10 for later use
    mov rdi, rax  ; move the result of strlen in rdi
-    call malloc wrt ..plt
-    test rax, rax
+    call malloc wrt ..plt ; 
+    test rax, rax		; test if malloc failled
    je .end
-    pop rsi
+    pop rsi        ; we take the value we saved earlier
    mov rdi, rax   ; move the result of malloc into rdi (override strlen result)
    call ft_strcpy
    ret 

 .end:
-    pop r8
+	pop rsi
    ret