Reenabling SIGWINCH-es also when invocation of the formatter fails,

and correcting some comments.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5324 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2015-07-28  Benno Schulenberg  <bensberg@justemail.net>
+	* src/text.c (do_formatter), src/nano.c (allow_pending_sigwinch):
+	Reenable SIGWINCH-es also when invoking the formatter fails, and
+	correct some comments.
+
 2015-07-26  Benno Schulenberg  <bensberg@justemail.net>
 	* src/search.c (do_replace_loop): When doing regex replacements, find
 	each zero-length match only once.  This fixes Savannah bug #45626.

src/nano.c

@@ -1396,12 +1396,13 @@ void regenerate_screen(void)
     total_refresh();
 }
 
-/* If allow is TRUE, block any SIGWINCH signals that we get, so that we
- * can deal with them later.  If allow is FALSE, unblock any SIGWINCH
+/* If allow is FALSE, block any SIGWINCH signals that we get, so that
+ * we can deal with them later.  If allow is TRUE, unblock any SIGWINCH
  * signals that we have, so that we can deal with them now. */
 void allow_pending_sigwinch(bool allow)
 {
     sigset_t winch;
+
     sigemptyset(&winch);
     sigaddset(&winch, SIGWINCH);
     sigprocmask(allow ? SIG_UNBLOCK : SIG_BLOCK, &winch, NULL);

src/text.c

@@ -3292,8 +3292,8 @@ void do_formatter(void)
     }
 
 #ifndef NANO_TINY
-    /* Don't handle a pending SIGWINCH until the alternate format checker
-     * is finished and we've loaded the format-checked file back in. */
+    /* Don't handle any SIGWINCHes until the formatter has finished and
+     * we've loaded the reformatted file back in. */
     allow_pending_sigwinch(FALSE);
 #endif
 
@@ -3323,17 +3323,17 @@ void do_formatter(void)
 	do_gotopos(lineno_save, current_x_save, current_y_save, pww_save);
 	set_modified();
 
-#ifndef NANO_TINY
-	/* Handle a pending SIGWINCH again. */
-	allow_pending_sigwinch(TRUE);
-#endif
-
 	finalstatus = _("Finished formatting");
     }
 
     unlink(temp);
     free(temp);
 
+#ifndef NANO_TINY
+    /* Handle SIGWINCHes again. */
+    allow_pending_sigwinch(TRUE);
+#endif
+
     /* If the formatter printed any error messages onscreen, make
      * sure that they're cleared off. */
     total_refresh();