action.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1985 AT&T
* All Rights Reserved
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.8 */
#include <stdio.h>
#include <ctype.h>
#include "wish.h"
#include "token.h"
#include "var_arrays.h"
#include "moremacros.h"
/*
* There should be ONE definition of MAX_ARGS in wish.h
*/
#define MAX_ARGS 25
/*
** Takes a list and turns it into an action. If there is no action,
** the action is close.
*/
token
make_action(list)
register char **list;
{
extern char *Args[];
extern int Arg_count;
token setaction();
if (!list || !array_len(list) || !list[0] || !list[0][0])
return(TOK_CLOSE);
return(setaction(list));
}
/*
** Takes the list and sets Args to each member and returns the correct
** token.
*/
token
setaction(list)
char **list;
{
extern char *Args[MAX_ARGS];
extern int Arg_count;
int lcv;
if (!list || !array_len(list) || !list[0] || !list[0][0])
/* if (!(list && array_len(list))) above is safer. abs */
return(TOK_BADCHAR);
if (strnCcmp(*list, "RETURN", 7) == 0) {
if (isdigit(*list[1]))
return(atoi(list[1]));
return(mencmd_to_tok(list[1]));
}
lcv = array_len(list);
for (Arg_count = 0; Arg_count < lcv && Arg_count < (MAX_ARGS - 1); Arg_count++) {
if (Args[Arg_count])
free(Args[Arg_count]); /* les */
Args[Arg_count] = strsave(list[Arg_count]);
}
if (Args[Arg_count])
free(Args[Arg_count]); /* les */
Args[Arg_count] = NULL;
return(mencmd_to_tok(list[0]));
}