From c2df3e519a8701a868dc4910744c40b42e3f73e4 Mon Sep 17 00:00:00 2001 From: Ingo Schwarze Date: Sat, 4 Jan 2014 13:40:01 +0000 Subject: Even though strnlen(3) is required by POSIX 2008, Matthias Scheler reports than Solaris 10 lacks it. While here, sort the declarations in config.h and move the headers to the top. --- compat_strnlen.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 compat_strnlen.c (limited to 'compat_strnlen.c') diff --git a/compat_strnlen.c b/compat_strnlen.c new file mode 100644 index 00000000..386c4898 --- /dev/null +++ b/compat_strnlen.c @@ -0,0 +1,43 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef HAVE_STRNLEN + +int dummy; + +#else + +/* ($)OpenBSD: strnlen.c,v 1.4 2012/04/26 01:22:31 matthew 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 + +size_t +strnlen(const char *str, size_t maxlen) +{ + const char *cp; + + for (cp = str; maxlen != 0 && *cp != '\0'; cp++, maxlen--) + ; + + return (size_t)(cp - str); +} + +#endif -- cgit v1.2.3