lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Manuel Novoa III |
| 3 | * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> |
| 4 | * |
| 5 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 6 | */ |
| 7 | |
| 8 | #include "_string.h" |
| 9 | |
| 10 | #ifdef WANT_WIDE |
| 11 | # define Wstrlcpy __wcslcpy |
| 12 | # define Wstrxfrm wcsxfrm |
| 13 | #else |
| 14 | # define Wstrlcpy strlcpy |
| 15 | # define Wstrxfrm strxfrm |
| 16 | #endif |
| 17 | |
| 18 | /* OpenBSD function: |
| 19 | * Copy at most n-1 chars from src to dst and nul-terminate dst. |
| 20 | * Returns strlen(src), so truncation occurred if the return value is >= n. */ |
| 21 | |
| 22 | size_t Wstrlcpy(register Wchar *__restrict dst, |
| 23 | register const Wchar *__restrict src, |
| 24 | size_t n) |
| 25 | { |
| 26 | const Wchar *src0 = src; |
| 27 | Wchar dummy[1]; |
| 28 | |
| 29 | if (!n) { |
| 30 | dst = dummy; |
| 31 | } else { |
| 32 | --n; |
| 33 | } |
| 34 | |
| 35 | while ((*dst = *src) != 0) { |
| 36 | if (n) { |
| 37 | --n; |
| 38 | ++dst; |
| 39 | } |
| 40 | ++src; |
| 41 | } |
| 42 | |
| 43 | return src - src0; |
| 44 | } |
| 45 | #ifndef WANT_WIDE |
| 46 | libc_hidden_def(strlcpy) |
| 47 | #endif |
| 48 | |
| 49 | #ifndef __UCLIBC_HAS_LOCALE__ |
| 50 | strong_alias(Wstrlcpy,Wstrxfrm) |
| 51 | #endif |