82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/* $NetBSD: code.c,v 1.4 1999/11/12 14:42:35 wennmach Exp $ */
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/*-
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* Copyright (c) 1999
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* Contributed to NetBSD by Alexandre Wennmacher
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: code.c,v 1.4 1999/11/12 14:42:35 wennmach Exp $");
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#endif /* not lint */
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#include <sys/param.h>
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#include <vis.h>
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#include <fts.h> /* XXX needed for extern.h" */
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#include "extern.h"
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#define STRVISFLAG (VIS_CSTYLE | VIS_WHITE)
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static char visbuf[4*MAXPATHLEN + 1];
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char *
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encode(dst, src)
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char *dst;
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const char *src;
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{
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char *pv, *pd;
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(void)strvis(visbuf, src, STRVISFLAG);
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for (pv = visbuf, pd = dst; *pv != '\0';) {
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if (*pv == '\\') *pd++ = *pv++; /* already encoded, skip */
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if (*pv == '#') *pd++ = '\\'; /* encode '#' */
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*pd++ = *pv++;
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}
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*pd = '\0';
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return dst;
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}
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char *
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decode(dst, src)
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char *dst;
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const char *src;
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{
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char *pv, *ps;
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for (ps = (char *)src, pv = visbuf; *ps != '\0';) {
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if (*ps == '\\' && *(ps + 1) == '#') ps++; /* encoded '#' */
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*pv++ = *ps++;
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}
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*pv = '\0';
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(void)strunvis(dst, visbuf);
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return dst;
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}
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