diff options
| author | das <das@FreeBSD.org> | 2009-03-04 06:01:27 +0000 |
|---|---|---|
| committer | das <das@FreeBSD.org> | 2009-03-04 06:01:27 +0000 |
| commit | e609fbb43b577bbe85d61ed52b9fcec80adeb290 (patch) | |
| tree | 32647ae6c533dd5a4b22e10eef9fcedf0e392e62 /lib/libc/string/wcpncpy.c | |
| parent | 2c8ef091d95b34057ccc17313ea6912f76e633ee (diff) | |
| download | FreeBSD-src-e609fbb43b577bbe85d61ed52b9fcec80adeb290.zip FreeBSD-src-e609fbb43b577bbe85d61ed52b9fcec80adeb290.tar.gz | |
Add wcpcpy(3) and wcpncpy(3).
Diffstat (limited to 'lib/libc/string/wcpncpy.c')
| -rw-r--r-- | lib/libc/string/wcpncpy.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/libc/string/wcpncpy.c b/lib/libc/string/wcpncpy.c new file mode 100644 index 0000000..87b361c --- /dev/null +++ b/lib/libc/string/wcpncpy.c @@ -0,0 +1,45 @@ +/*- + * Copyright (c) 2009 David Schultz <das@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <wchar.h> + +wchar_t * +wcpncpy(wchar_t * __restrict dst, const wchar_t * __restrict src, size_t n) +{ + + for (; n--; dst++, src++) { + if (!(*dst = *src)) { + wchar_t *ret = dst; + while (n--) + *++dst = L'\0'; + return (ret); + } + } + return (dst); +} |
