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lib/libc/string/strnlen.c
33 строки
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millert
I am retiring my old email address; replace it with my OpenBSD one.
25 янв 2019, 03:19
25 янв 2019, 03:19
bf198cc
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/* $OpenBSD: strnlen.c,v 1.9 2019/01/25 00:19:25 millert Exp $ */ /* * Copyright (c) 2010 Todd C. Miller <millert@openbsd.org> * * 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 <sys/types.h> #include <string.h> 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); } DEF_WEAK(strnlen);