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/*
* cook - file construction tool
* Copyright (C) 1997, 1998 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 prognames
*/
#include <progname.h>
#include <sub/progname.h>
#include <sub/private.h>
#include <trace.h>
#include <wstr_list.h>
/*
* NAME
* sub_progname - the progname substitution
*
* SYNOPSIS
* wstring_ty *sub_progname(wstring_list_ty *arg);
*
* DESCRIPTION
* The sub_progname function implements the progname substitution.
* The progname substitution is replaced by the name of the
* currently executing program. Takes zero arguments.
*
* ARGUMENTS
* arg - list of arguments, including the function name as [0]
*
* RETURNS
* a pointer to a string in dynamic memory;
* or NULL on error, setting suberr appropriately.
*/
wstring_ty *
sub_progname(scp, arg)
sub_context_ty *scp;
wstring_list_ty *arg;
{
wstring_ty *result;
trace(("sub_progname()\n{\n"/*}*/));
if (arg->nitems != 1)
{
sub_context_error_set(scp, i18n("requires zero arguments"));
result = 0;
}
else
result = wstr_from_c(progname_get());
trace(("return %8.8lX;\n", (long)result));
trace((/*{*/"}\n"));
return result;
}
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