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/* @(#)strncpy.c 1.2 06/09/13 Copyright 2006 J. Schilling */
#ifndef lint
static char sccsid[] =
"@(#)strncpy.c 1.2 06/09/13 Copyright 2006 J. Schilling";
#endif
/*
* strncpy() to be used if missing on libc
*
* Copyright (c) 2006 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/mconfig.h>
#include <schily/standard.h>
#include <schily/unistd.h>
#include <schily/libport.h>
#ifndef HAVE_STRNCPY
EXPORT char *
strncpy(s1, s2, len)
register char *s1;
register const char *s2;
register size_t len;
{
char *ret = s1;
if (++len == 0) { /* unsigned overflow */
--len;
while (len-- > 0 && (*s1++ = *s2++) != '\0')
;
len++;
} else {
while (--len > 0 && (*s1++ = *s2++) != '\0')
;
}
if (len > 0) {
while (--len > 0)
*s1++ = '\0';
}
return (ret);
}
#endif /* HAVE_STRNCPY */
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