?? strncpy.s
字號:
# Kernel Library
# strncpy
.include "f_asm.inc"
.text
.global _strncpy
_strncpy:
ENTER
pushl %esi
movl %edi, %edx
movl LEN(%ebp), %ecx
movl SRC(%ebp), %esi
movl DES(%ebp), %edi
cmpl %esi, %edi
jz done
cld
next:
lodsb
stosb
cmpb $0, %al
loopnz next
done:
movl %edx, %edi
popl %esi
movl DES(%ebp), %eax
LEAVE
ret
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