revokefs: Fix up some messages

Some `g_print*` messages were missing newlines and `perror` already
appends `: ` to the provided message.

revokefs/demo.c

@@ -48,7 +48,7 @@ main (int argc, char *argv[])
  NULL, NULL,
  &backend_pid, &error))
  {
- g_printerr ("Failed to launch backend: %s", error->message);
+ g_printerr ("Failed to launch backend: %s\n", error->message);
  exit (EXIT_FAILURE);
  }
  close (sockets[0]); /* Close backend side now so it doesn't get into the fuse child */
@@ -69,7 +69,7 @@ main (int argc, char *argv[])
  NULL, NULL,
  &fuse_pid, &error))
  {
- g_printerr ("Failed to launch backend: %s", error->message);
+ g_printerr ("Failed to FUSE process: %s\n", error->message);
  exit (EXIT_FAILURE);
  }
 
@@ -79,6 +79,6 @@ main (int argc, char *argv[])
  perror ("fgets");
  }
 
- g_print ("Revoking write permissions");
+ g_print ("Revoking write permissions\n");
  shutdown (sockets[1], SHUT_RDWR);
 }

revokefs/main.c

@@ -565,7 +565,7 @@ main (int argc, char *argv[])
  basefd = openat (AT_FDCWD, base_path, O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC | O_NOCTTY);
  if (basefd == -1)
  {
- perror ("opening basepath: ");
+ perror ("opening basepath");
  exit (EXIT_FAILURE);
  }
 

revokefs/writer.c

@@ -794,13 +794,13 @@ do_writer (int basefd_arg,
  res = poll(pollfds, exit_with_fd >= 0 ? 2 : 1, -1);
  if (res < 0)
  {
- perror ("Got error polling sockets: ");
+ perror ("Got error polling sockets");
  exit (1);
  }
 
  if (exit_with_fd >= 0 && (pollfds[1].revents & (POLLERR|POLLHUP)) != 0)
  {
- g_printerr ("Received EOF on exit-with-fd argument");
+ g_printerr ("Received EOF on exit-with-fd argument\n");
  exit (1);
  }
 
@@ -810,7 +810,7 @@ do_writer (int basefd_arg,
  size = TEMP_FAILURE_RETRY (read (fuse_socket, request_buffer, sizeof (request_buffer)));
  if (size == -1)
  {
- perror ("Got error reading from fuse socket: ");
+ perror ("Got error reading from fuse socket");
  exit (1);
  }
 
@@ -822,7 +822,7 @@ do_writer (int basefd_arg,
 
  if (size < sizeof (RevokefsRequest))
  {
- g_printerr ("Invalid request size %zd", size);
+ g_printerr ("Invalid request size %zd\n", size);
  exit (1);
  }
 
@@ -880,13 +880,13 @@ do_writer (int basefd_arg,
  response_data_size = handle_access (request, data_size, response);
  break;
  default:
- g_printerr ("Invalid request op %d", (guint) request->op);
+ g_printerr ("Invalid request op %d\n", (guint) request->op);
  exit (1);
  }
 
  if (response_data_size < 0 || response_data_size > MAX_DATA_SIZE)
  {
- g_printerr ("Invalid response size %zd", response_data_size);
+ g_printerr ("Invalid response size %zd\n", response_data_size);
  exit (1);
  }
 
@@ -895,13 +895,13 @@ do_writer (int basefd_arg,
  written_size = TEMP_FAILURE_RETRY (write (fuse_socket, response_buffer, response_size));
  if (written_size == -1)
  {
- perror ("Got error writing to fuse socket: ");
+ perror ("Got error writing to fuse socket");
  exit (1);
  }
 
  if (written_size != response_size)
  {
- g_printerr ("Got partial write to fuse socket");
+ g_printerr ("Got partial write to fuse socket\n");
  exit (1);
  }
  }