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/*
* cook - file construction tool
* Copyright (C) 1999, 2001, 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 manipulate dirnam_relats
*/
#include <common/ac/string.h>
#include <cook/os_interface.h>
#include <common/trace.h>
/*
* NAME
* os_dirname_relative - take path apart
*
* SYNOPSIS
* string_ty *os_dirname_relative(string_ty *path);
*
* DESCRIPTION
* os_dirname_relative is used to extract the directory part
* of a pathname.
*
* RETURNS
* pointer to dynamically allocated string.
* A null pointer is returned on error.
*
* CAVEAT
* Use str_free() when you are done with the value returned.
*/
string_ty *
os_dirname_relative(string_ty *path)
{
char *cp;
trace(("os_dirname_relative(path = %08lX)\n{\n", path));
trace_string(path->str_text);
cp = strrchr(path->str_text, '/');
if (cp)
{
if (cp > path->str_text)
{
path = str_n_from_c(path->str_text, cp - path->str_text);
}
else
path = str_from_c("/");
}
else
path = str_from_c(".");
trace_string(path->str_text);
trace(("return %08lX;\n", path));
trace(("}\n"));
return path;
}
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