25 lines
509 B
ArmAsm
25 lines
509 B
ArmAsm
! strncpy() Author: Kees J. Bot
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! 1 Jan 1994
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.sect .text; .sect .rom; .sect .data; .sect .bss
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! char *strncpy(char *s1, const char *s2, size_t n)
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! Copy string s2 to s1.
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!
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.sect .text
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.define _strncpy
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.align 16
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_strncpy:
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push ebp
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mov ebp, esp
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push esi
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push edi
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mov ecx, 16(ebp) ! Maximum length
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call __strncpy ! Common code
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mov ecx, edx ! Number of bytes not copied
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rep
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stosb ! strncpy always copies n bytes by null padding
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mov eax, 8(ebp) ! Return s1
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pop edi
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pop esi
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pop ebp
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ret
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