1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1999, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate /*LINTLIBRARY*/ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #include "synonyms.h" 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate #include <ctype.h> 37*0Sstevel@tonic-gate #include "libmail.h" 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #define TRUE 1 40*0Sstevel@tonic-gate #define FALSE 0 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate char ** 43*0Sstevel@tonic-gate setup_exec(char *s) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate char *p = s, *q; 46*0Sstevel@tonic-gate static char *argvec[256]; /* is this enough? */ 47*0Sstevel@tonic-gate int i = 0; 48*0Sstevel@tonic-gate int stop; 49*0Sstevel@tonic-gate int ignorespace = FALSE; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* Parse up string into arg. vec. for subsequent exec. Assume */ 52*0Sstevel@tonic-gate /* whitespace delimits args. Any non-escaped double quotes will */ 53*0Sstevel@tonic-gate /* be used to group multiple whitespace-delimited tokens into */ 54*0Sstevel@tonic-gate /* a single exec arg. */ 55*0Sstevel@tonic-gate p = skipspace(p); 56*0Sstevel@tonic-gate while (*p) { 57*0Sstevel@tonic-gate q = p; 58*0Sstevel@tonic-gate stop = FALSE; 59*0Sstevel@tonic-gate while (*q && (stop == FALSE)) { 60*0Sstevel@tonic-gate again: 61*0Sstevel@tonic-gate switch (*q) { 62*0Sstevel@tonic-gate case '\\': 63*0Sstevel@tonic-gate /* Slide command string 1 char to left */ 64*0Sstevel@tonic-gate strmove(q, q+1); 65*0Sstevel@tonic-gate break; 66*0Sstevel@tonic-gate case '"': 67*0Sstevel@tonic-gate ignorespace = ((ignorespace == TRUE) ? 68*0Sstevel@tonic-gate FALSE : TRUE); 69*0Sstevel@tonic-gate /* Slide command string 1 char to left */ 70*0Sstevel@tonic-gate strmove(q, q+1); 71*0Sstevel@tonic-gate goto again; 72*0Sstevel@tonic-gate default: 73*0Sstevel@tonic-gate if (isspace((int)*q) && 74*0Sstevel@tonic-gate (ignorespace == FALSE)) { 75*0Sstevel@tonic-gate stop = TRUE; 76*0Sstevel@tonic-gate continue; 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate break; 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate q++; 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate if (*q == '\0') { 83*0Sstevel@tonic-gate argvec[i++] = p; 84*0Sstevel@tonic-gate break; 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate *q++ = '\0'; 87*0Sstevel@tonic-gate argvec[i++] = p; 88*0Sstevel@tonic-gate p = skipspace(q); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate argvec[i] = NULL; 91*0Sstevel@tonic-gate if (i == 0) { 92*0Sstevel@tonic-gate return (NULL); 93*0Sstevel@tonic-gate } 94*0Sstevel@tonic-gate return (argvec); 95*0Sstevel@tonic-gate } 96