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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <ctype.h>
#include "libmail.h"
#define TRUE 1
#define FALSE 0
char **
setup_exec(char *s)
{
char *p = s, *q;
static char *argvec[256]; /* is this enough? */
int i = 0;
int stop;
int ignorespace = FALSE;
/* Parse up string into arg. vec. for subsequent exec. Assume */
/* whitespace delimits args. Any non-escaped double quotes will */
/* be used to group multiple whitespace-delimited tokens into */
/* a single exec arg. */
p = skipspace(p);
while (*p) {
q = p;
stop = FALSE;
while (*q && (stop == FALSE)) {
again:
switch (*q) {
case '\\':
/* Slide command string 1 char to left */
strmove(q, q+1);
break;
case '"':
ignorespace = ((ignorespace == TRUE) ?
FALSE : TRUE);
/* Slide command string 1 char to left */
strmove(q, q+1);
goto again;
default:
if (isspace((int)*q) &&
(ignorespace == FALSE)) {
stop = TRUE;
continue;
}
break;
}
q++;
}
if (*q == '\0') {
argvec[i++] = p;
break;
}
*q++ = '\0';
argvec[i++] = p;
p = skipspace(q);
}
argvec[i] = NULL;
if (i == 0) {
return (NULL);
}
return (argvec);
}
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