2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include <sys/types.h>
2N/A#include <ctype.h>
2N/A#include "libmail.h"
2N/A
2N/A#define TRUE 1
2N/A#define FALSE 0
2N/A
2N/Achar **
2N/Asetup_exec(char *s)
2N/A{
2N/A char *p = s, *q;
2N/A static char *argvec[256]; /* is this enough? */
2N/A int i = 0;
2N/A int stop;
2N/A int ignorespace = FALSE;
2N/A
2N/A /* Parse up string into arg. vec. for subsequent exec. Assume */
2N/A /* whitespace delimits args. Any non-escaped double quotes will */
2N/A /* be used to group multiple whitespace-delimited tokens into */
2N/A /* a single exec arg. */
2N/A p = skipspace(p);
2N/A while (*p) {
2N/A q = p;
2N/A stop = FALSE;
2N/A while (*q && (stop == FALSE)) {
2N/A again:
2N/A switch (*q) {
2N/A case '\\':
2N/A /* Slide command string 1 char to left */
2N/A strmove(q, q+1);
2N/A break;
2N/A case '"':
2N/A ignorespace = ((ignorespace == TRUE) ?
2N/A FALSE : TRUE);
2N/A /* Slide command string 1 char to left */
2N/A strmove(q, q+1);
2N/A goto again;
2N/A default:
2N/A if (isspace((int)*q) &&
2N/A (ignorespace == FALSE)) {
2N/A stop = TRUE;
2N/A continue;
2N/A }
2N/A break;
2N/A }
2N/A q++;
2N/A }
2N/A if (*q == '\0') {
2N/A argvec[i++] = p;
2N/A break;
2N/A }
2N/A *q++ = '\0';
2N/A argvec[i++] = p;
2N/A p = skipspace(q);
2N/A }
2N/A argvec[i] = NULL;
2N/A if (i == 0) {
2N/A return (NULL);
2N/A }
2N/A return (argvec);
2N/A}