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FIX: Return value of strcpy()

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Kwarde
2025-06-23 16:28:05 +02:00
parent 2e7a7c7b5f
commit 6463c3711a
1 changed files with 6 additions and 5 deletions
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11
string.asm
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@ -25,23 +25,24 @@ strcpy:
push rbp push rbp
mov rbp, rsp mov rbp, rsp
mov r11, rdi
xor rax, rax xor rax, rax
xor rcx, rcx xor rcx, rcx
.loop: .loop:
cmp byte [rsi], 0x0 cmp byte [rsi], 0x0
je .0f je .0f
mov r10b, byte [rsi] mov r10b, byte [rsi]
mov byte [rdi], r10b mov byte [r11], r10b
inc rsi inc rsi
inc rdi inc r11
inc rcx inc rcx
jmp .loop jmp .loop
.0f: .0f:
mov byte [rdi], 0x0 mov byte [r11], 0x0
cmp rcx, 0 cmp rcx, 0
jne .quit je .quit
xor rax, rax mov rax, rdi
.quit: .quit:
leave leave