strlcpy.c

Go to the documentation of this file.

/* @(#)strlcpy.c    1.4 09/07/08 Copyright 2006-2009 J. Schilling */
#include <schily/mconfig.h>
#ifndef lint
static  UConst char sccsid[] =
    "@(#)strlcpy.c  1.4 09/07/08 Copyright 2006-2009 J. Schilling";
#endif
/*
 *  strlcpy() to be used if missing in libc
 *
 *  Copyright (c) 2006-2009 J. Schilling
 */
/*
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * See the file CDDL.Schily.txt in this distribution for details.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file CDDL.Schily.txt from this distribution.
 */
 
#include <schily/standard.h>
#include <schily/unistd.h>
#include <schily/libport.h>
 
#ifndef HAVE_STRLCPY
 
EXPORT size_t
strlcpy(s1, s2, len)
    register char       *s1;
    register const char *s2;
    register size_t     len;
{
    const char       *os2   = s2;
 
    if (len > 0) {
        while (--len > 0 && (*s1++ = *s2++) != '\0')
            ;
        if (len == 0) {
            *s1 = '\0';
            while (*s2++ != '\0')
                ;
        }
    } else {
        while (*s2++ != '\0')
            ;
    }
    return (--s2 - os2);
}
#endif  /* HAVE_STRLCPY */