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/* strncpy implementation for SUPERH
*
* Copyright (C) 2009 STMicroelectronics Ltd.
*
* Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/*
char *strncpy(char *dest, const char *src, size_t n);
*/
#include <sysdep.h>
ENTRY(strncpy)
mov #0,r0
bra 2f
mov r4,r2
1:
mov.b r1,@(r0,r2)
add #1,r0
2:
cmp/hs r6,r0
bt 5f
mov.b @(r0,r5),r1
tst r1,r1
bf/s 1b
cmp/hs r6,r0
bra 4f
nop
3:
mov.b r1,@(r0,r2)
add #1,r0
cmp/hs r6,r0
4:
bf/s 3b
mov #0,r1
5:
rts
mov r2,r0
END(strncpy)
libc_hidden_def(strncpy)
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