Set rax to original rdi in strcat() (make sure dest pointer is returned)

2025-06-23 15:35:41 +02:00
parent 0ee1142b75
commit ed83e83885
1 changed files with 4 additions and 0 deletions
--- a/string.asm
+++ b/string.asm
@ -52,9 +52,13 @@ strcat:
 	push	rbp
 	mov	rbp, rsp

+	push	rdi
+	sub	rsp, 8
 	call	strlen
 	add	rdi, rax
 	call	strcpy
+	add	rsp, 8
+	pop	rax

 	leave
 	ret