updated for version 7.3.306
Problem: When closing a window there is a chance that deleting a scrollbar
triggers a GUI resize, which uses the window while it is not in a
valid state.
Solution: Set the buffer pointer to NULL to be able to detect the invalid
situation. Fix a few places that used the buffer pointer
incorrectly.
diff --git a/src/buffer.c b/src/buffer.c
index 24cbc06..81f6fde 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -416,6 +416,8 @@
#endif
buf_freeall(buf, (del_buf ? BFA_DEL : 0) + (wipe_buf ? BFA_WIPE : 0));
+ if (win_valid(win) && win->w_buffer == buf)
+ win->w_buffer = NULL; /* make sure we don't use the buffer now */
#ifdef FEAT_AUTOCMD
/* Autocommands may have deleted the buffer. */
@@ -560,6 +562,10 @@
#ifdef FEAT_DIFF
diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */
#endif
+#ifdef FEAT_SYN_HL
+ if (curwin->w_buffer == buf)
+ reset_synblock(curwin); /* remove any ownsyntax */
+#endif
#ifdef FEAT_FOLDING
/* No folds in an empty buffer. */
@@ -1346,6 +1352,10 @@
# endif
#endif
{
+#ifdef FEAT_SYN_HL
+ if (prevbuf == curwin->w_buffer)
+ reset_synblock(curwin);
+#endif
#ifdef FEAT_WINDOWS
if (unload)
close_windows(prevbuf, FALSE);
@@ -1395,10 +1405,6 @@
foldUpdateAll(curwin); /* update folds (later). */
#endif
-#ifdef FEAT_SYN_HL
- reset_synblock(curwin);
- curwin->w_s = &(buf->b_s);
-#endif
/* Get the buffer in the current window. */
curwin->w_buffer = buf;
curbuf = buf;
@@ -1409,6 +1415,10 @@
diff_buf_add(curbuf);
#endif
+#ifdef FEAT_SYN_HL
+ curwin->w_s = &(buf->b_s);
+#endif
+
/* Cursor on first line by default. */
curwin->w_cursor.lnum = 1;
curwin->w_cursor.col = 0;