1241675Suqs#ifdef HAVE_CONFIG_H 2241675Suqs#include "config.h" 3241675Suqs#endif 4241675Suqs 5241675Suqs#ifdef HAVE_STRLCPY 6241675Suqs 7241675Suqsint dummy; 8241675Suqs 9241675Suqs#else 10241675Suqs 11241675Suqs/* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */ 12241675Suqs 13241675Suqs/* 14241675Suqs * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> 15241675Suqs * 16241675Suqs * Permission to use, copy, modify, and distribute this software for any 17241675Suqs * purpose with or without fee is hereby granted, provided that the above 18241675Suqs * copyright notice and this permission notice appear in all copies. 19241675Suqs * 20241675Suqs * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 21241675Suqs * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 22241675Suqs * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 23241675Suqs * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 24241675Suqs * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 25241675Suqs * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 26241675Suqs * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 27241675Suqs */ 28241675Suqs 29241675Suqs#include <sys/types.h> 30241675Suqs#include <string.h> 31241675Suqs 32241675Suqs/* 33241675Suqs * Copy src to string dst of size siz. At most siz-1 characters 34241675Suqs * will be copied. Always NUL terminates (unless siz == 0). 35241675Suqs * Returns strlen(src); if retval >= siz, truncation occurred. 36241675Suqs */ 37241675Suqssize_t 38241675Suqsstrlcpy(char *dst, const char *src, size_t siz) 39241675Suqs{ 40241675Suqs char *d = dst; 41241675Suqs const char *s = src; 42241675Suqs size_t n = siz; 43241675Suqs 44241675Suqs /* Copy as many bytes as will fit */ 45241675Suqs if (n != 0) { 46241675Suqs while (--n != 0) { 47241675Suqs if ((*d++ = *s++) == '\0') 48241675Suqs break; 49241675Suqs } 50241675Suqs } 51241675Suqs 52241675Suqs /* Not enough room in dst, add NUL and traverse rest of src */ 53241675Suqs if (n == 0) { 54241675Suqs if (siz != 0) 55241675Suqs *d = '\0'; /* NUL-terminate dst */ 56241675Suqs while (*s++) 57241675Suqs ; 58241675Suqs } 59241675Suqs 60241675Suqs return(s - src - 1); /* count does not include NUL */ 61241675Suqs} 62241675Suqs 63241675Suqs#endif 64