23 lines
487 B
ArmAsm
23 lines
487 B
ArmAsm
! strncpy() Author: Kees J. Bot
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! 27 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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_strncpy:
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push bp
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mov bp, sp
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push si
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push di
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mov cx, 8(bp) ! Maximum length
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call __strncpy ! Common code
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mov cx, dx ! Number of bytes not copied
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rep stosb ! strncpy always copies n bytes by null padding
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mov ax, 4(bp) ! Return s1
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pop di
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pop si
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pop bp
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ret
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