freebsd-dev/contrib/global/lib/makepath.c

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/*
* Copyright (c) 1996, 1997, 1998 Shigio Yamaguchi. All rights reserved.
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*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Shigio Yamaguchi.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* makepath.c 15-May-98
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*
*/
#include <string.h>
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#include <sys/param.h>
#include "die.h"
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#include "makepath.h"
#include "strbuf.h"
static STRBUF *sb;
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/*
* makepath: make path from directory and file.
*
* i) dir directory
* i) file file
* r) path
*/
char *
makepath(dir, file)
const char *dir;
const char *file;
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{
int length;
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if (sb == NULL)
sb = stropen();
strstart(sb);
if ((length = strlen(dir)) > MAXPATHLEN)
die1("path name too long. '%s'\n", dir);
strputs(sb, dir);
strunputc(sb, '/');
strputc(sb, '/');
strputs(sb, file);
if ((length = strlen(strvalue(sb))) > MAXPATHLEN)
die1("path name too long. '%s'\n", dir);
return strvalue(sb);
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}