| /* 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) |