1 #include "config.h" 2 3 #if HAVE_STRNDUP 4 5 int dummy; 6 7 #else 8 9 /* $Id: compat_strndup.c,v 1.1 2018/02/27 11:16:23 schwarze Exp $ */ 10 /* OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp */ 11 /* 12 * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com> 13 * 14 * Permission to use, copy, modify, and distribute this software for any 15 * purpose with or without fee is hereby granted, provided that the above 16 * copyright notice and this permission notice appear in all copies. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 19 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 20 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 21 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 22 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 23 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 24 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 25 */ 26 27 #include <sys/types.h> 28 29 #include <stdlib.h> 30 #include <string.h> 31 32 char * 33 strndup(const char *str, size_t maxlen) 34 { 35 char *copy; 36 size_t len; 37 38 for (len = 0; len < maxlen && str[len] != '\0'; len++) 39 continue; 40 41 copy = malloc(len + 1); 42 if (copy != NULL) { 43 (void)memcpy(copy, str, len); 44 copy[len] = '\0'; 45 } 46 47 return copy; 48 } 49 50 #endif 51