void
sanei_debug_msg
(int level, int max_level, const char *be, const char *fmt, va_list ap)
{
char *msg;
if (max_level >= level)
{
#ifdef S_IFSOCK
if ( 1 == isfdtype(fileno(stderr), S_IFSOCK) )
{
msg = (char *)malloc (sizeof(char) * (strlen(be) + strlen(fmt) + 4));
if (msg == NULL)
{
syslog (LOG_DEBUG, "[sanei_debug] malloc() failed\n");
vsyslog (LOG_DEBUG, fmt, ap);
}
else
{
sprintf (msg, "[%s] %s", be, fmt);
vsyslog(LOG_DEBUG, msg, ap);
free (msg);
}
}
else
#endif
{
fprintf (stderr, "[%s] ", be);
vfprintf (stderr, fmt, ap);
}
}
}
/*赋值
入参：nSockfd - socket句柄
出参：赋值后的socket句柄
*/
int CTcp::operator = (int p_iSockfd)
{
//isfdtype判断nSockfd是否为指定类型，S_IFSOCK判断是否为套接字描述符，返回1是，0不是，-1出错
assert ((m_nSock == -1) && (p_iSockfd > -1) && (isfdtype (p_iSockfd, S_IFSOCK) == 1));
m_nSock = p_iSockfd;
return m_nSock;
}
int
Isfdtype(int fd, int fdtype)
{
int n;
if ( (n = isfdtype(fd, fdtype)) < 0)
err_sys("isfdtype error");
return(n);
}
/* determine if a file descriptor is in fact a socket */
int
is_socket(int fd)
{
return (isfdtype(fd, S_IFSOCK) == 1);
}
