| 1 | /* $OpenBSD: mbrtowc_sb.c,v 1.4 2005/11/27 20:03:06 cloder Exp $ */ |
| 2 | /* $NetBSD: multibyte_sb.c,v 1.4 2003/08/07 16:43:04 agc Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * SPDX-License-Identifier: BSD-3-Clause |
| 6 | * |
| 7 | * Copyright (C) 1991 The Regents of the University of California. |
| 8 | * All rights reserved. |
| 9 | */ |
| 10 | |
| 11 | #include <errno.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <wchar.h> |
| 14 | |
| 15 | /*ARGSUSED*/ |
| 16 | size_t |
| 17 | ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, |
| 18 | mbstate_t *ps __attribute__((unused))) |
| 19 | { |
| 20 | |
| 21 | /* pwc may be NULL */ |
| 22 | /* s may be NULL */ |
| 23 | /* ps appears to be unused */ |
| 24 | |
| 25 | if (s == NULL) |
| 26 | return 0; |
| 27 | if (n == 0) |
| 28 | return (size_t)-1; |
| 29 | if (pwc) |
| 30 | *pwc = (wchar_t)(unsigned char)*s; |
| 31 | return (*s != '\0'); |
| 32 | } |