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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* @(#)strlcat.c 1.1 10/04/26 Copyright 2010 J. Schilling */
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#include <schily/mconfig.h>
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#ifndef lint
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static UConst char sccsid[] =
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"@(#)strlcat.c 1.1 10/04/26 Copyright 2010 J. Schilling";
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#endif
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/*
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* strlcat() to be used if missing in libc
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*
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* Copyright (c) 2010 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/standard.h>
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#include <schily/unistd.h>
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#include <schily/string.h>
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#include <schily/libport.h>
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#ifndef HAVE_STRLCAT
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EXPORT size_t
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strlcat(s1, s2, len)
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register char *s1;
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register const char *s2;
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register size_t len;
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{
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const char *os1 = s1;
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size_t olen = len;
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if (len > 0) {
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while (--len > 0 && *s1++ != '\0')
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;
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if (len == 0)
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return (olen + strlen(s2));
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s1--;
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len++;
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while (--len > 0 && (*s1++ = *s2++) != '\0')
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;
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if (len == 0) {
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*s1 = '\0';
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return (s1 - os1 + strlen(s2));
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}
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return (--s1 - os1);
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}
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return (strlen(s2));
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}
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#endif /* HAVE_STRLCAT */
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