/*  voifax general configuration interface library *  Copyright (C) 2004  Simone Freddio & Andrea Emanuelli * *  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 <stdio.h>#include <string.h>#include "libconfig.h"#include "common.h"/* Variabili Locali */char libconfig_currentfile[256];/* prototipi locali */int libconfig_addhash(char *section, char *key, char *val);int libconfig_addhash(char *secname, char *key, char *val){	char module[] = "libconfig_addhash";	int secnum = 0, itemnum = 0;	/* recupera la prima sezione libera oppure il numero di sezione se gia' esistente*/	while (strcmp(sections[secnum].section_name, secname) != 0 &&		   sections[secnum].used == 1 &&		   secnum < MAXSECTIONS) secnum++;	if (secnum == MAXSECTIONS)	{		TRC(TRC_ERR, module, "maximum sections reached!!!");		return false;	}	if (sections[secnum].used == 0)	{		sections[secnum].used = 1;		strcpy(sections[secnum].section_name, secname);	}	while (strcmp(sections[secnum].items[itemnum].key, key) !=0 &&			sections[secnum].items[itemnum].used == 1 &&			itemnum < MAXHASHNUMBER) itemnum++;	if (sections[secnum].items[itemnum].used == 1)	{		TRC(TRC_WARN, module, "key duplicated!!! ignoring line...");		return false;	}	sections[secnum].items[itemnum].used = 1;	strcpy(sections[secnum].items[itemnum].key, key);	strcpy(sections[secnum].items[itemnum].val, val);	return true;}void libconfig_freehash(void){	memset(libconfig_currentfile, 0, sizeof(libconfig_currentfile));	memset(sections, 0, sizeof(sections));}int libconfig_init(char *filename){	char module[] = "libconfig_init";	FILE *conffd;	char buffer[MAXHASHSIZE * 3];	int argc;	char args[3][MAXHASHSIZE];		if (strcmp(filename, libconfig_currentfile) != 0)	{		libconfig_freehash();		conffd = fopen(filename, "r");		if (conffd == NULL) 		{			TRC(TRC_ERR, module, "Impossibile trovare il file di configurazione");			return false;		}		while (!feof(conffd))		{			fgets(buffer, MAXHASHSIZE*3, conffd);			if (buffer[0]!='#' && strlen(buffer)>3)			{				argc = sscanf(buffer, "%s %s %s", args[0], args[1], args[2]);				if (argc==3)					libconfig_addhash(args[0], args[1], args[2]);				else 					TRC(TRC_WARN, module, "Attention! a row has bad format!! Ignoring line...");			}		}		fclose(conffd);		strcpy(libconfig_currentfile, filename);	}	return true;}char *libconfig_getvalue(char *secname, char *key, char *defval){	int secnum = 0, itemnum = 0;	while (sections[secnum].used == 1 &&		   strcmp(sections[secnum].section_name, secname) != 0 &&		   secnum < MAXSECTIONS) secnum++;	if (secnum == MAXSECTIONS)		return defval;	if (sections[secnum].used == 0)		return defval;	while (sections[secnum].items[itemnum].used == 1 &&		   strcmp(sections[secnum].items[itemnum].key, key) != 0 &&		   itemnum < MAXHASHNUMBER) itemnum++;	if (itemnum == MAXHASHNUMBER)		return defval;	if (sections[secnum].items[itemnum].used == 0)		return defval;	return &sections[secnum].items[itemnum].val[0];}