several more error log lines fixed to include error string

ser2sock.c

@@ -555,7 +555,7 @@ int init_serial_fd(char * szPortPath)
 
  if (fd < 0)
  {
- log_message(STREAM_MAIN, MSG_BAD, "Error can not open com port at %s errno: %i\n", szPortPath, errno);
+ log_message(STREAM_MAIN, MSG_BAD, "Error can not open com port at %s errno: %i '%s'\n", szPortPath, errno, strerror(errno));
  return fd;
  }
 
@@ -891,7 +891,7 @@ void poll_serial_port()
  {
  if (ioctl(my_fds[n].fd, TIOCMGET, &tmp) < 0)
  {
- log_message(STREAM_MAIN, MSG_WARN, "Serial disconnected on check. errno: %i\n",errno);
+ log_message(STREAM_MAIN, MSG_WARN, "Serial disconnected on check. errno: %i '%s'\n", errno, strerror(errno));
  clear_serial(n);
  }
  /* currently only 1 serial port so we are done */
@@ -1140,8 +1140,8 @@ BOOL poll_read_fdset(fd_set *read_fdset)
  if (errno != EAGAIN)
  {
  log_message(STREAM_MAIN, MSG_WARN,
- "Serial disconnected on read. errno: %i\n",
- errno);
+ "Serial disconnected on read. errno: %i '%s'\n",
+ errno, strerror(errno));
  clear_serial(n);
  }
  }
@@ -1163,8 +1163,8 @@ BOOL poll_read_fdset(fd_set *read_fdset)
  }
  if (received == 0)
  {
- log_message(STREAM_MAIN, MSG_WARN, "Closing socket fd slot %i errno: %i\n",n,
- errno);
+ log_message(STREAM_MAIN, MSG_WARN, "Closing socket fd slot %i errno: %i '%s'\n", n,
+ errno, strerror(errno));
  cleanup_fd(n);
  }
  else
@@ -1174,8 +1174,8 @@ BOOL poll_read_fdset(fd_set *read_fdset)
  if (errno == EAGAIN || errno == EINTR)
  continue;
  log_message(STREAM_MAIN, MSG_WARN,
- "Closing socket errno: %i\n",
- errno);
+ "Closing socket errno: %i '%s'\n",
+ errno, strerror(errno));
  cleanup_fd(n);
  }
  else
@@ -1288,8 +1288,8 @@ BOOL poll_write_fdset(fd_set *write_fdset)
  if (errno != EAGAIN)
  {
  log_message(STREAM_MAIN, MSG_BAD,
- "Serial disconnected on write. errno: %i\n",
- errno);
+ "Serial disconnected on write. errno: %i '%s'\n",
+ errno, strerror(errno));
  clear_serial(n);
  }
  }
@@ -1383,7 +1383,7 @@ void listen_loop()
  n = select(FD_SETSIZE, &read_fdset, &write_fdset, &except_fdset, &wait);
  if (n == -1)
  {
- log_message(STREAM_MAIN, MSG_BAD, "An error occured during select() errno: %i\n",errno);
+ log_message(STREAM_MAIN, MSG_BAD, "An error occured during select() errno: %i '%s'\n", errno, strerror(errno));
  continue;
  }