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/*
* cook - file construction tool
* Copyright (C) 1997, 2002, 2006, 2007 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 <cook/option.h>
#include <common/str_list.h>
#include <cook/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.
*/
string_ty *
strip_dot_inner(string_ty *s)
{
char *cp;
size_t len;
cp = s->str_text;
len = s->str_length;
while (len >= 3 && cp[0] == '.' && cp[1] == '/')
{
cp += 2;
len -= 2;
}
if (len == s->str_length)
return str_copy(s);
return str_n_from_c(cp, len);
}
/*
* 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.
*/
string_ty *
strip_dot(string_ty *s)
{
if (option_test(OPTION_STRIP_DOT))
return strip_dot_inner(s);
return str_copy(s);
}
/*
* 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(string_list_ty *slp)
{
size_t j;
if (option_test(OPTION_STRIP_DOT))
{
for (j = 0; j < slp->nstrings; ++j)
{
string_ty *s;
s = strip_dot_inner(slp->string[j]);
str_free(slp->string[j]);
slp->string[j] = s;
}
}
}
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