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/*
* cook - file construction tool
* Copyright (C) 1997 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to remove leading dots from pathnames
*/
#include <option.h>
#include <str_list.h>
#include <strip_dot.h>
/*
* NAME
* strip_dot_inner
*
* SYNOPSIS
* void strip_dot_inner(string_ty **);
*
* DESCRIPTION
* The strip_dot_inner function is used to check the filename for a
* leading dot path element. If there is one, it is removed, the
* original string free()ed, and the new string put in its place.
*/
static void strip_dot_inner _((string_ty **));
static void
strip_dot_inner(p)
string_ty **p;
{
char *cp;
size_t len;
string_ty *tmp;
cp = (*p)->str_text;
len = (*p)->str_length;
while (len >= 3 && cp[0] == '.' && cp[1] == '/')
{
cp += 2;
len -= 2;
}
if (len == (*p)->str_length)
return;
tmp = str_n_from_c(cp, len);
str_free(*p);
*p = tmp;
}
/*
* NAME
* strip_dot
*
* SYNOPSIS
* void strip_dot(string_ty **);
*
* DESCRIPTION
* The strip_dot function is used to check the filename for a
* leading dot path element. If there is one, it is removed, the
* original string free()ed, and the new string put in its place.
*
* CAVEAT
* This is only done if the STRIP_DOT option is enabled. It is
* enabled by default, but the userr may choose to turn it off.
*/
void
strip_dot(spp)
string_ty **spp;
{
if (option_test(OPTION_STRIP_DOT))
strip_dot_inner(spp);
}
/*
* NAME
* strip_dot_list
*
* SYNOPSIS
* void strip_dot_list(string_list_ty *);
*
* DESCRIPTION
* The strip_dot_list function is used to check each filename in
* the list for a leading dot path element. If there is one, it is
* removed, the original string free()ed, and the new string put in
* its place.
*
* CAVEAT
* This is only done if the STRIP_DOT option is enabled. It is
* enabled by default, but the userr may choose to turn it off.
*/
void
strip_dot_list(slp)
string_list_ty *slp;
{
size_t j;
if (option_test(OPTION_STRIP_DOT))
{
for (j = 0; j < slp->nstrings; ++j)
strip_dot_inner(&slp->string[j]);
}
}
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