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+To: vim-dev@vim.org
+Subject: Patch 7.2.305
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.2.305
+Problem: Recursively redrawing causes a memory leak. (Dominique Pelle)
+Solution: Disallow recursive screen updating.
+Files: src/screen.c
+
+
+*** ../vim-7.2.304/src/screen.c 2009-11-11 17:07:25.000000000 +0100
+--- src/screen.c 2009-11-17 16:30:53.000000000 +0100
+***************
+*** 323,328 ****
+--- 323,329 ----
+ int did_one;
+ #endif
+
++ /* Don't do anything if the screen structures are (not yet) valid. */
+ if (!screen_valid(TRUE))
+ return;
+
+***************
+*** 342,348 ****
+ if (curwin->w_lines_valid == 0 && type < NOT_VALID)
+ type = NOT_VALID;
+
+! if (!redrawing())
+ {
+ redraw_later(type); /* remember type for next time */
+ must_redraw = type;
+--- 343,351 ----
+ if (curwin->w_lines_valid == 0 && type < NOT_VALID)
+ type = NOT_VALID;
+
+! /* Postpone the redrawing when it's not needed and when being called
+! * recursively. */
+! if (!redrawing() || updating_screen)
+ {
+ redraw_later(type); /* remember type for next time */
+ must_redraw = type;
+***************
+*** 582,587 ****
+--- 585,591 ----
+
+ /*
+ * Prepare for updating one or more windows.
++ * Caller must check for "updating_screen" already set to avoid recursiveness.
+ */
+ static void
+ update_prepare()
+***************
+*** 663,669 ****
+ doit = TRUE;
+ }
+
+! if (!doit)
+ return;
+
+ /* update all windows that need updating */
+--- 667,675 ----
+ doit = TRUE;
+ }
+
+! /* Return when there is nothing to do or screen updating already
+! * happening. */
+! if (!doit || updating_screen)
+ return;
+
+ /* update all windows that need updating */
+***************
+*** 696,701 ****
+--- 702,711 ----
+ updateWindow(wp)
+ win_T *wp;
+ {
++ /* return if already busy updating */
++ if (updating_screen)
++ return;
++
+ update_prepare();
+
+ #ifdef FEAT_CLIPBOARD
+*** ../vim-7.2.304/src/version.c 2009-11-25 12:38:49.000000000 +0100
+--- src/version.c 2009-11-25 13:01:48.000000000 +0100
+***************
+*** 683,684 ****
+--- 683,686 ----
+ { /* Add new patch number below this line */
++ /**/
++ 305,
+ /**/
+
+--
+If the Universe is constantly expanding, why can't I ever find a parking space?
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ download, build and distribute -- http://www.A-A-P.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///