10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*6812Sraf * Common Development and Distribution License (the "License"). 6*6812Sraf * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211219Sraf 22*6812Sraf /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*6812Sraf * Use is subject to license terms. 25*6812Sraf */ 26*6812Sraf 270Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 280Sstevel@tonic-gate /* All Rights Reserved */ 290Sstevel@tonic-gate 30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 320Sstevel@tonic-gate #include <sys/types.h> 330Sstevel@tonic-gate #include <ctype.h> 340Sstevel@tonic-gate #include "libmail.h" 350Sstevel@tonic-gate 360Sstevel@tonic-gate #define TRUE 1 370Sstevel@tonic-gate #define FALSE 0 380Sstevel@tonic-gate 390Sstevel@tonic-gate char ** 400Sstevel@tonic-gate setup_exec(char *s) 410Sstevel@tonic-gate { 420Sstevel@tonic-gate char *p = s, *q; 430Sstevel@tonic-gate static char *argvec[256]; /* is this enough? */ 440Sstevel@tonic-gate int i = 0; 450Sstevel@tonic-gate int stop; 460Sstevel@tonic-gate int ignorespace = FALSE; 470Sstevel@tonic-gate 480Sstevel@tonic-gate /* Parse up string into arg. vec. for subsequent exec. Assume */ 490Sstevel@tonic-gate /* whitespace delimits args. Any non-escaped double quotes will */ 500Sstevel@tonic-gate /* be used to group multiple whitespace-delimited tokens into */ 510Sstevel@tonic-gate /* a single exec arg. */ 520Sstevel@tonic-gate p = skipspace(p); 530Sstevel@tonic-gate while (*p) { 540Sstevel@tonic-gate q = p; 550Sstevel@tonic-gate stop = FALSE; 560Sstevel@tonic-gate while (*q && (stop == FALSE)) { 57*6812Sraf again: 580Sstevel@tonic-gate switch (*q) { 590Sstevel@tonic-gate case '\\': 600Sstevel@tonic-gate /* Slide command string 1 char to left */ 610Sstevel@tonic-gate strmove(q, q+1); 620Sstevel@tonic-gate break; 630Sstevel@tonic-gate case '"': 640Sstevel@tonic-gate ignorespace = ((ignorespace == TRUE) ? 65*6812Sraf FALSE : TRUE); 660Sstevel@tonic-gate /* Slide command string 1 char to left */ 670Sstevel@tonic-gate strmove(q, q+1); 680Sstevel@tonic-gate goto again; 690Sstevel@tonic-gate default: 700Sstevel@tonic-gate if (isspace((int)*q) && 710Sstevel@tonic-gate (ignorespace == FALSE)) { 720Sstevel@tonic-gate stop = TRUE; 730Sstevel@tonic-gate continue; 740Sstevel@tonic-gate } 750Sstevel@tonic-gate break; 760Sstevel@tonic-gate } 770Sstevel@tonic-gate q++; 780Sstevel@tonic-gate } 790Sstevel@tonic-gate if (*q == '\0') { 800Sstevel@tonic-gate argvec[i++] = p; 810Sstevel@tonic-gate break; 820Sstevel@tonic-gate } 830Sstevel@tonic-gate *q++ = '\0'; 840Sstevel@tonic-gate argvec[i++] = p; 850Sstevel@tonic-gate p = skipspace(q); 860Sstevel@tonic-gate } 870Sstevel@tonic-gate argvec[i] = NULL; 880Sstevel@tonic-gate if (i == 0) { 890Sstevel@tonic-gate return (NULL); 900Sstevel@tonic-gate } 910Sstevel@tonic-gate return (argvec); 920Sstevel@tonic-gate } 93