int openlog()
{
int fd = open(LOG,O_RDWR | O_APPEND |O_CREAT, 0666);
if (-1 == fd)
{
eyou_syslog("open eyoucron log failed : %s\n", strerror(errno));
return -1;
}
if( -1 == dup2(fd, STDOUT_FILENO)){
eyou_syslog("dup stdout failed : %s\n", strerror(errno));
goto openerr;
}
if( -1 == dup2(fd, STDERR_FILENO)){
eyou_syslog("dup stderr failed : %s\n", strerror(errno));
goto openerr;
}
if( -1 == setvbuf(stdout, NULL, _IOLBF, 0)){
eyou_syslog("set lined-buffer for log failed : %s\n", strerror(errno));
goto openerr;
}
return 0;
openerr:
return -1;
}