Change tui_show_frame_info to return bool

This changes tui_show_frame_info to return bool.

gdb/ChangeLog
2019-12-20  Tom Tromey  <tom@tromey.com>

	* tui/tui-stack.h (tui_show_frame_info): Return bool.
	* tui/tui-stack.c (tui_show_frame_info): Return bool.
	* tui/tui-hooks.c (tui_refresh_frame_and_register_information):
	Update.

Change-Id: Id1374f04f919c30a9f50c1beeb70cbc10b9a8f3b

1 files changed, 7 insertions, 9 deletions

diff --git a/gdb/tui/tui-stack.c b/gdb/tui/tui-stack.c
index d244343..3f606cb 100644
--- a/gdb/tui/tui-stack.c
+++ b/gdb/tui/tui-stack.c
@@ -301,10 +301,10 @@ tui_update_locator_fullname (struct symtab *symtab)
 /* Function to print the frame information for the TUI.  The windows are
    refreshed only if frame information has changed since the last refresh.
 
-   Return 1 if frame information has changed (and windows subsequently
-   refreshed), 0 otherwise.  */
+   Return true if frame information has changed (and windows
+   subsequently refreshed), false otherwise.  */
 
-int
+bool
 tui_show_frame_info (struct frame_info *fi)
 {
   bool locator_changed_p;
@@ -329,15 +329,13 @@ tui_show_frame_info (struct frame_info *fi)
 	 not changed.  If frame information has not changed, then the windows'
 	 contents will not change.  So don't bother refreshing the windows.  */
       if (!locator_changed_p)
-	return 0;
+	return false;
 
       for (struct tui_source_window_base *win_info : tui_source_windows ())
 	{
 	  win_info->maybe_update (fi, sal);
 	  win_info->update_exec_info ();
 	}
-
-      return 1;
     }
   else
     {
@@ -346,13 +344,13 @@ tui_show_frame_info (struct frame_info *fi)
       locator_changed_p = locator->set_locator_info (NULL, sal, "");
 
       if (!locator_changed_p)
-	return 0;
+	return false;
 
       for (struct tui_source_window_base *win_info : tui_source_windows ())
 	win_info->erase_source_content ();
-
-      return 1;
     }
+
+  return true;
 }
 
 void