From b79df1dc29c5ca3181be3e6e642f6c51e951e34e Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Thu, 9 Mar 2017 15:43:08 +0000 Subject: Compat code for strndup and strnlen. --- compat/strndup.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 compat/strndup.c (limited to 'compat/strndup.c') diff --git a/compat/strndup.c b/compat/strndup.c new file mode 100644 index 00000000..32bec6ab --- /dev/null +++ b/compat/strndup.c @@ -0,0 +1,41 @@ +/* $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $ */ + +/* + * Copyright (c) 2010 Todd C. Miller + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include + +#include +#include +#include + +#include "compat.h" + +char * +strndup(const char *str, size_t maxlen) +{ + char *copy; + size_t len; + + len = strnlen(str, maxlen); + copy = malloc(len + 1); + if (copy != NULL) { + (void)memcpy(copy, str, len); + copy[len] = '\0'; + } + + return copy; +} -- cgit