(quit): Define with ATTRIBUTE_NORETURN.

Now that close_stdout closes standard output unconditionally,
these workarounds for dd and cat are no longer necessary.
(close_stdout_wrapper): Remove function.
(main): Call atexit with close_stdout, instead.

diff --git a/src/dd.c b/src/dd.c
index 6083a73c90af42dfc6217ac7b9166c77ebbd10f9..27ac661b27e33fc67fd3deb5b11c2a53da35ba94 100644 (file)
--- a/src/dd.c
+++ b/src/dd.c
@@ -572,12 +572,16 @@ cleanup (void)
   if (close (STDIN_FILENO) < 0)
     error (EXIT_FAILURE, errno,
           _("closing input file %s"), quote (input_file));
+
+  /* Don't remove this call to close, even though close_stdout
+     closes standard output.  This close is necessary when cleanup
+     is called as part of a signal handler.  */
   if (close (STDOUT_FILENO) < 0)
     error (EXIT_FAILURE, errno,
           _("closing output file %s"), quote (output_file));
 }
 
-static inline void
+static inline void ATTRIBUTE_NORETURN
 quit (int code)
 {
   cleanup ();
@@ -1561,17 +1565,6 @@ dd_copy (void)
   return exit_status;
 }
 
-/* This is gross, but necessary, because of the way close_stdout
-   works and because this program closes STDOUT_FILENO directly.  */
-static void (*closeout_func) (void) = close_stdout;
-
-static void
-close_stdout_wrapper (void)
-{
-  if (closeout_func)
-    (*closeout_func) ();
-}
-
 int
 main (int argc, char **argv)
 {
@@ -1586,16 +1579,13 @@ main (int argc, char **argv)
   textdomain (PACKAGE);
 
   /* Arrange to close stdout if parse_long_options exits.  */
-  atexit (close_stdout_wrapper);
+  atexit (close_stdout);
 
   parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE, VERSION,
                      usage, AUTHORS, (char const *) NULL);
   if (getopt_long (argc, argv, "", NULL, NULL) != -1)
     usage (EXIT_FAILURE);
 
-  /* Don't close stdout on exit from here on.  */
-  closeout_func = NULL;
-
   /* Initialize translation table to identity translation. */
   for (i = 0; i < 256; i++)
     trans_table[i] = i;