1*61d06d6bSBaptiste Daroussin #include "config.h" 2*61d06d6bSBaptiste Daroussin 3*61d06d6bSBaptiste Daroussin #if HAVE_STRLCPY 4*61d06d6bSBaptiste Daroussin 5*61d06d6bSBaptiste Daroussin int dummy; 6*61d06d6bSBaptiste Daroussin 7*61d06d6bSBaptiste Daroussin #else 8*61d06d6bSBaptiste Daroussin 9*61d06d6bSBaptiste Daroussin /* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */ 10*61d06d6bSBaptiste Daroussin 11*61d06d6bSBaptiste Daroussin /* 12*61d06d6bSBaptiste Daroussin * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> 13*61d06d6bSBaptiste Daroussin * 14*61d06d6bSBaptiste Daroussin * Permission to use, copy, modify, and distribute this software for any 15*61d06d6bSBaptiste Daroussin * purpose with or without fee is hereby granted, provided that the above 16*61d06d6bSBaptiste Daroussin * copyright notice and this permission notice appear in all copies. 17*61d06d6bSBaptiste Daroussin * 18*61d06d6bSBaptiste Daroussin * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 19*61d06d6bSBaptiste Daroussin * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 20*61d06d6bSBaptiste Daroussin * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 21*61d06d6bSBaptiste Daroussin * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 22*61d06d6bSBaptiste Daroussin * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 23*61d06d6bSBaptiste Daroussin * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 24*61d06d6bSBaptiste Daroussin * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 25*61d06d6bSBaptiste Daroussin */ 26*61d06d6bSBaptiste Daroussin 27*61d06d6bSBaptiste Daroussin #include <sys/types.h> 28*61d06d6bSBaptiste Daroussin #include <string.h> 29*61d06d6bSBaptiste Daroussin 30*61d06d6bSBaptiste Daroussin /* 31*61d06d6bSBaptiste Daroussin * Copy src to string dst of size siz. At most siz-1 characters 32*61d06d6bSBaptiste Daroussin * will be copied. Always NUL terminates (unless siz == 0). 33*61d06d6bSBaptiste Daroussin * Returns strlen(src); if retval >= siz, truncation occurred. 34*61d06d6bSBaptiste Daroussin */ 35*61d06d6bSBaptiste Daroussin size_t 36*61d06d6bSBaptiste Daroussin strlcpy(char *dst, const char *src, size_t siz) 37*61d06d6bSBaptiste Daroussin { 38*61d06d6bSBaptiste Daroussin char *d = dst; 39*61d06d6bSBaptiste Daroussin const char *s = src; 40*61d06d6bSBaptiste Daroussin size_t n = siz; 41*61d06d6bSBaptiste Daroussin 42*61d06d6bSBaptiste Daroussin /* Copy as many bytes as will fit */ 43*61d06d6bSBaptiste Daroussin if (n != 0) { 44*61d06d6bSBaptiste Daroussin while (--n != 0) { 45*61d06d6bSBaptiste Daroussin if ((*d++ = *s++) == '\0') 46*61d06d6bSBaptiste Daroussin break; 47*61d06d6bSBaptiste Daroussin } 48*61d06d6bSBaptiste Daroussin } 49*61d06d6bSBaptiste Daroussin 50*61d06d6bSBaptiste Daroussin /* Not enough room in dst, add NUL and traverse rest of src */ 51*61d06d6bSBaptiste Daroussin if (n == 0) { 52*61d06d6bSBaptiste Daroussin if (siz != 0) 53*61d06d6bSBaptiste Daroussin *d = '\0'; /* NUL-terminate dst */ 54*61d06d6bSBaptiste Daroussin while (*s++) 55*61d06d6bSBaptiste Daroussin ; 56*61d06d6bSBaptiste Daroussin } 57*61d06d6bSBaptiste Daroussin 58*61d06d6bSBaptiste Daroussin return(s - src - 1); /* count does not include NUL */ 59*61d06d6bSBaptiste Daroussin } 60*61d06d6bSBaptiste Daroussin 61*61d06d6bSBaptiste Daroussin #endif 62