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/*
* active port forwarder - software for secure forwarding
* Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include "file.h"
#include "activefor.h"
#include "logging.h"
#include "network.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
/*
* Function name: parse_line
* Description: Splits the buffer into two parts: option and value.
* Arguments: buff - the buffer to split
* tab1 - the place where option part will be stored
* tab2 - the place where value part will be stored
* Returns: 0 - the buffer was empty,
* 1 - the buffer contains only option name,
* 2 - the buffer contains only value of the option.
*/
int
parse_line(char* buff, char* tab1, char* tab2)
{
int state, i, j, lastDot;
state = i = j = 0;
lastDot = -1;
while (buff[i] != 0) {
if (buff[i] == '#') {
if ((i > 0) && (buff[i-1] == '\\')) {
--j;
}
else {
break;
}
}
switch (state) {
case 0: { /* before option name */
if (!isspace(buff[i])) {
tab1[j] = buff[i];
j = 1;
state = 1;
}
break;
}
case 1: { /* option */
if (isspace(buff[i])) {
tab1[j] = 0;
state = 2;
j = 0;
}
else {
tab1[j] = buff[i];
++j;
}
break;
}
case 2: { /* before option value */
if (!isspace(buff[i])) {
if (buff[i] != '.') {
tab2[j] = buff[i];
j = 1;
}
state = 3;
}
break;
}
case 3: { /* option value */
if (buff[i] == '.') {
lastDot = j;
}
else if (!isspace(buff[i])) {
lastDot = -1;
}
else if (lastDot == -1) {
lastDot = j;
}
tab2[j] = buff[i];
++j;
break;
}
}
++i;
}
if (lastDot != -1) {
tab2[lastDot] = 0;
}
if (state == 3) {
return 2;
}
if (state == 0) {
return 0;
}
return 1;
}
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