cdrtools/libschily/strncat.c

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2025-06-15 04:19:58 +08:00
/* @(#)strncat.c 1.3 10/05/06 Copyright 2006-2010 J. Schilling */
#include <schily/mconfig.h>
#ifndef lint
static UConst char sccsid[] =
"@(#)strncat.c 1.3 10/05/06 Copyright 2006-2010 J. Schilling";
#endif
/*
* strncat() to be used if missing in libc
*
* Copyright (c) 2006-2010 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/schily.h>
#ifndef HAVE_STRNCAT
EXPORT char *
strncat(s1, s2, len)
register char *s1;
register const char *s2;
register size_t len;
{
char *ret = s1;
if (len == 0)
return (ret);
while (*s1++ != '\0')
;
s1--;
do {
if ((*s1++ = *s2++) == '\0')
return (ret);
} while (--len > 0);
*s1 = '\0';
return (ret);
}
#endif /* HAVE_STRNCAT */