FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/lib/libspl/strlcpy.c

     /*
      * CDDL HEADER START
      *
      * The contents of this file are subject to the terms of the
      * Common Development and Distribution License (the "License").
      * You may not use this file except in compliance with the License.
      *
      * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      * or https://opensource.org/licenses/CDDL-1.0.
     * See the License for the specific language governing permissions
     * and limitations under the License.
     *
     * When distributing Covered Code, include this CDDL HEADER in each
     * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     * If applicable, add the following below this CDDL HEADER, with the
     * fields enclosed by brackets "[]" replaced with your own identifying
     * information: Portions Copyright [yyyy] [name of copyright owner]
     *
     * CDDL HEADER END
     */
    
    /*
     * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     * Use is subject to license terms.
     */
    
    #ifndef HAVE_STRLCPY
    
    #include <string.h>
    #include <sys/types.h>
    
    /*
     * Copies src to the dstsize buffer at dst. The copy will never
     * overflow the destination buffer and the buffer will always be null
     * terminated.
     */
    
    size_t
    strlcpy(char *dst, const char *src, size_t len)
    {
            size_t slen = strlen(src);
            size_t copied;
    
            if (len == 0)
                    return (slen);
    
            if (slen >= len)
                    copied = len - 1;
            else
                    copied = slen;
            (void) memcpy(dst, src, copied);
            dst[copied] = '\0';
            return (slen);
    }
    
    #endif /* HAVE_STRLCPY */

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