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Diffstat (limited to 'newlib/libc/string/wcslcat.c')
| -rw-r--r-- | newlib/libc/string/wcslcat.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/newlib/libc/string/wcslcat.c b/newlib/libc/string/wcslcat.c deleted file mode 100644 index adf683ad5..000000000 --- a/newlib/libc/string/wcslcat.c +++ /dev/null @@ -1,108 +0,0 @@ -/* -FUNCTION - <<wcslcat>>---concatenate wide-character strings to specified length - -ANSI_SYNOPSIS - #include <wchar.h> - size_t wcslcat(wchar_t *<[dst]>, const wchar_t *<[src]>, size_t <[siz]>); - -TRAD_SYNOPSIS - #include <wchar.h> - size_t wcslcat(<[dst]>, <[src]>, <[siz]> - wchar_t *<[dst]>; - const wchar_t *<[src]>; - size_t <[siz]>; - -DESCRIPTION - The <<wcslcat>> function appends wide-characters from <[src]> to - end of the <[dst]> wide-character string so that the resultant - wide-character string is not more than <[siz]> wide-characters - including terminating null wide-character code. A terminating - null wide-character is always added unless <[siz]> is 0. Thus, - the maximum number of wide-characters that can be appended from - <[src]> is <[siz]> - 1. If copying takes place between objects - that overlap, the behaviour is undefined. - -RETURNS - Wide-character string length of initial <[dst]> plus the - wide-character string length of <[src]> (does not include - terminating null wide-characters). If the return value is - greater than or equal to <[siz]>, then truncation occurred and - not all wide-characters from <[src]> were appended. - -PORTABILITY -No supporting OS subroutines are required. -*/ - -/* $NetBSD: wcslcat.c,v 1.1 2000/12/23 23:14:36 itojun Exp $ */ -/* from OpenBSD: strlcat.c,v 1.3 2000/11/24 11:10:02 itojun Exp */ - -/* - * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> - * 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. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED ``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 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 <_ansi.h> -#include <wchar.h> - -/* - * Appends src to string dst of size siz (unlike wcsncat, siz is the - * full size of dst, not space left). At most siz-1 characters - * will be copied. Always NUL terminates (unless siz == 0). - * Returns wcslen(initial dst) + wcslen(src); if retval >= siz, - * truncation occurred. - */ -size_t -_DEFUN (wcslcat, (dst, src, siz), - wchar_t * dst _AND - _CONST wchar_t * src _AND - size_t siz) -{ - wchar_t *d = dst; - _CONST wchar_t *s = src; - size_t n = siz; - size_t dlen; - - /* Find the end of dst and adjust bytes left but don't go past end */ - while (*d != '\0' && n-- != 0) - d++; - dlen = d - dst; - n = siz - dlen; - - if (n == 0) - return (dlen + wcslen (s)); - while (*s != '\0') - { - if (n != 1) - { - *d++ = *s; - n--; - } - s++; - } - *d = '\0'; - - return (dlen + (s - src)); /* count does not include NUL */ -} |