13527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner/*- 23527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * Copyright (c) 1990, 1993 33527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * The Regents of the University of California. All rights reserved. 43527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * 53527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * This code is derived from software contributed to Berkeley by 63527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * Chris Torek. 73527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * 83527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * Redistribution and use in source and binary forms, with or without 93527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * modification, are permitted provided that the following conditions 103527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * are met: 113527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * 1. Redistributions of source code must retain the above copyright 123527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * notice, this list of conditions and the following disclaimer. 133527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * 2. Redistributions in binary form must reproduce the above copyright 143527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * notice, this list of conditions and the following disclaimer in the 153527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * documentation and/or other materials provided with the distribution. 162815b1dd452a7fb7de6ba0df2cb250987a1b62c4Elliott Hughes * 3. Neither the name of the University nor the names of its contributors 173527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * may be used to endorse or promote products derived from this software 183527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * without specific prior written permission. 193527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * 203527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 213527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 223527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 233527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 243527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 253527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 263527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 273527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 283527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 293527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 303527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * SUCH DAMAGE. 313527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner */ 323527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner 333527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#if 0 343527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#if defined(LIBC_SCCS) && !defined(lint) 353527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turnerstatic char sccsid[] = "@(#)strncpy.c 8.1 (Berkeley) 6/4/93"; 363527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#endif /* LIBC_SCCS and not lint */ 373527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#endif 383527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#include <sys/cdefs.h> 393527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner__FBSDID("$FreeBSD$"); 403527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner 413527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner#include <wchar.h> 423527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner 433527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner/* 443527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * Copy src to dst, truncating or null-padding to always copy n bytes. 453527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner * Return dst. 463527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner */ 473527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turnerwchar_t * 483527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turnerwcsncpy(wchar_t * __restrict dst, const wchar_t * __restrict src, size_t n) 493527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner{ 503527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner if (n != 0) { 513527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner wchar_t *d = dst; 523527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner const wchar_t *s = src; 533527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner 543527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner do { 553527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner if ((*d++ = *s++) == L'\0') { 563527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner /* NUL pad the remaining n-1 bytes */ 573527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner while (--n != 0) 583527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner *d++ = L'\0'; 593527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner break; 603527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner } 613527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner } while (--n != 0); 623527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner } 633527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner return (dst); 643527fd6f0df794207215790321824b7844cc712dDavid 'Digit' Turner} 65