#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <stdlib.h>#include <unistd.h>#include <time.h>#include <libxml/parser.h>#include <stdarg.h>#include "config.h"#include "log.h"#include "configfile.h"#include "xmlhelp.h"intlog_open(){	int fd;	xmlNodePtr node;	char *file;		node = xml_root(configdoc);	if (!node)		return -1;		for (node = node->xml_children; node; node = node->next)	{		if (xml_isnode(node, "logfile"))			goto found;	/* break */	}	return -1;	found:	file = xml_getcontent(node);	if (!file || !*file)		return -1;		file = config_homedir(file);	fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);	free(file);		if (fd < 0)		return -1;	return fd;}voidlog_replace_bg(int fd){	char buf[256];	struct tm tm;	time_t now;	int nullfd;		printf("Main init done and logfile opened.\n");	printf("Closing stdout and going into background...\n");	nullfd = open("/dev/null", O_RDONLY);	dup2(nullfd, STDIN_FILENO);	close(nullfd);	dup2(fd, STDOUT_FILENO);	dup2(fd, STDERR_FILENO);	close(fd);	if (!fork()) {		if (!fork())		{			setsid();			setpgrp();			time(&now);			localtime_r(&now, &tm);			strftime(buf, sizeof(buf) - 1, "%b %d %Y %T", &tm);			printf("-----\nLog file opened at %s\n", buf);			return;		}	}	exit(0);}voidlog_log(char *modname, char *format, ...){	va_list vl;	char buf[64];	struct tm tm;	time_t now;		time(&now);	localtime_r(&now, &tm);	strftime(buf, sizeof(buf) - 1, "%b %d %Y %T", &tm);	if (modname)		fprintf(stderr, "[%s / %s] ", buf, modname);	else		fprintf(stderr, "[%s] ", buf);		va_start(vl, format);	vfprintf(stderr, format, vl);	va_end(vl);}