Module Name: src Committed By: jym Date: Thu Sep 1 22:35:18 UTC 2011
Modified Files: src/sys/lib/libkern: libkern.h Added Files: src/common/lib/libc/string: strnlen.c Removed Files: src/lib/libc/string: strnlen.c Log Message: Make strnlen(3) accessible in kernel. ok christos@. To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/common/lib/libc/string/strnlen.c cvs rdiff -u -r1.1 -r0 src/lib/libc/string/strnlen.c cvs rdiff -u -r1.98 -r1.99 src/sys/lib/libkern/libkern.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/lib/libkern/libkern.h diff -u src/sys/lib/libkern/libkern.h:1.98 src/sys/lib/libkern/libkern.h:1.99 --- src/sys/lib/libkern/libkern.h:1.98 Tue Jul 5 01:56:45 2011 +++ src/sys/lib/libkern/libkern.h Thu Sep 1 22:35:17 2011 @@ -1,4 +1,4 @@ -/* $NetBSD: libkern.h,v 1.98 2011/07/05 01:56:45 matt Exp $ */ +/* $NetBSD: libkern.h,v 1.99 2011/09/01 22:35:17 jym Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -277,6 +277,7 @@ char *strcpy(char *, const char *); int strcmp(const char *, const char *); size_t strlen(const char *); +size_t strnlen(const char *, size_t); char *strsep(char **, const char *); #if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE) #define strcpy(d, s) __builtin_strcpy(d, s) Added files: Index: src/common/lib/libc/string/strnlen.c diff -u /dev/null src/common/lib/libc/string/strnlen.c:1.1 --- /dev/null Thu Sep 1 22:35:18 2011 +++ src/common/lib/libc/string/strnlen.c Thu Sep 1 22:35:18 2011 @@ -0,0 +1,51 @@ +/* $NetBSD: strnlen.c,v 1.1 2011/09/01 22:35:18 jym Exp $ */ + +/*- + * Copyright (c) 2009 David Schultz <d...@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#if defined(LIBC_SCCS) && !defined(lint) +__RCSID("$NetBSD: strnlen.c,v 1.1 2011/09/01 22:35:18 jym Exp $"); +#endif /* LIBC_SCCS and not lint */ +/* FreeBSD: src/lib/libc/string/strnlen.c,v 1.1 2009/02/28 06:00:58 das Exp */ + +#if !defined(_KERNEL) && !defined(_STANDALONE) +#include <string.h> +#else +#include <lib/libkern/libkern.h> +#endif + +size_t +strnlen(const char *s, size_t maxlen) +{ + size_t len; + + for (len = 0; len < maxlen; len++, s++) { + if (!*s) + break; + } + return (len); +}