19829d36aSTakuya SHIOZAKI /*-
28a16b7a1SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause
38a16b7a1SPedro F. Giffuni *
44bf546e1STim J. Robbins * Copyright (c) 1990, 1993
54bf546e1STim J. Robbins * The Regents of the University of California. All rights reserved.
64bf546e1STim J. Robbins *
74bf546e1STim J. Robbins * This code is derived from software contributed to Berkeley by
84bf546e1STim J. Robbins * Chris Torek.
99829d36aSTakuya SHIOZAKI *
109829d36aSTakuya SHIOZAKI * Redistribution and use in source and binary forms, with or without
119829d36aSTakuya SHIOZAKI * modification, are permitted provided that the following conditions
129829d36aSTakuya SHIOZAKI * are met:
139829d36aSTakuya SHIOZAKI * 1. Redistributions of source code must retain the above copyright
149829d36aSTakuya SHIOZAKI * notice, this list of conditions and the following disclaimer.
159829d36aSTakuya SHIOZAKI * 2. Redistributions in binary form must reproduce the above copyright
169829d36aSTakuya SHIOZAKI * notice, this list of conditions and the following disclaimer in the
179829d36aSTakuya SHIOZAKI * documentation and/or other materials provided with the distribution.
183fb3b97cSEd Maste * 3. Neither the name of the University nor the names of its contributors
194bf546e1STim J. Robbins * may be used to endorse or promote products derived from this software
204bf546e1STim J. Robbins * without specific prior written permission.
219829d36aSTakuya SHIOZAKI *
224bf546e1STim J. Robbins * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
239829d36aSTakuya SHIOZAKI * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
249829d36aSTakuya SHIOZAKI * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
254bf546e1STim J. Robbins * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
269829d36aSTakuya SHIOZAKI * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
279829d36aSTakuya SHIOZAKI * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
289829d36aSTakuya SHIOZAKI * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
299829d36aSTakuya SHIOZAKI * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
309829d36aSTakuya SHIOZAKI * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
319829d36aSTakuya SHIOZAKI * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
329829d36aSTakuya SHIOZAKI * SUCH DAMAGE.
339829d36aSTakuya SHIOZAKI */
349829d36aSTakuya SHIOZAKI
359829d36aSTakuya SHIOZAKI #include <wchar.h>
36*b53d7aa8SKyle Evans #include <ssp/ssp.h>
379829d36aSTakuya SHIOZAKI
384bf546e1STim J. Robbins /*
394bf546e1STim J. Robbins * Copy src to dst, truncating or null-padding to always copy n bytes.
404bf546e1STim J. Robbins * Return dst.
414bf546e1STim J. Robbins */
429829d36aSTakuya SHIOZAKI wchar_t *
__ssp_real(wcsncpy)43*b53d7aa8SKyle Evans __ssp_real(wcsncpy)(wchar_t * __restrict dst, const wchar_t * __restrict src,
44*b53d7aa8SKyle Evans size_t n)
459829d36aSTakuya SHIOZAKI {
464bf546e1STim J. Robbins if (n != 0) {
474bf546e1STim J. Robbins wchar_t *d = dst;
484bf546e1STim J. Robbins const wchar_t *s = src;
499829d36aSTakuya SHIOZAKI
504bf546e1STim J. Robbins do {
514bf546e1STim J. Robbins if ((*d++ = *s++) == L'\0') {
524bf546e1STim J. Robbins /* NUL pad the remaining n-1 bytes */
534bf546e1STim J. Robbins while (--n != 0)
544bf546e1STim J. Robbins *d++ = L'\0';
554bf546e1STim J. Robbins break;
569829d36aSTakuya SHIOZAKI }
574bf546e1STim J. Robbins } while (--n != 0);
584bf546e1STim J. Robbins }
594bf546e1STim J. Robbins return (dst);
604bf546e1STim J. Robbins }
61