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+To: vim_dev@googlegroups.com
+Subject: Patch 7.3.286
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.286
+Problem: Crash when using "zd" on a large number of folds. (Sam King)
+Solution: Recompute pointer after reallocating array. Move fewer entries
+ when making room.
+Files: src/fold.c
+
+
+*** ../vim-7.3.285/src/fold.c 2010-08-15 21:57:27.000000000 +0200
+--- src/fold.c 2011-08-26 16:03:56.000000000 +0200
+***************
+*** 1469,1479 ****
+ }
+ else
+ {
+! /* move nested folds one level up, to overwrite the fold that is
+ * deleted. */
+ moved = fp->fd_nested.ga_len;
+ if (ga_grow(gap, (int)(moved - 1)) == OK)
+ {
+ /* adjust fd_top and fd_flags for the moved folds */
+ nfp = (fold_T *)fp->fd_nested.ga_data;
+ for (i = 0; i < moved; ++i)
+--- 1469,1482 ----
+ }
+ else
+ {
+! /* Move nested folds one level up, to overwrite the fold that is
+ * deleted. */
+ moved = fp->fd_nested.ga_len;
+ if (ga_grow(gap, (int)(moved - 1)) == OK)
+ {
++ /* Get "fp" again, the array may have been reallocated. */
++ fp = (fold_T *)gap->ga_data + idx;
++
+ /* adjust fd_top and fd_flags for the moved folds */
+ nfp = (fold_T *)fp->fd_nested.ga_data;
+ for (i = 0; i < moved; ++i)
+***************
+*** 1486,1494 ****
+ }
+
+ /* move the existing folds down to make room */
+! if (idx < gap->ga_len)
+ mch_memmove(fp + moved, fp + 1,
+! sizeof(fold_T) * (gap->ga_len - idx));
+ /* move the contained folds one level up */
+ mch_memmove(fp, nfp, (size_t)(sizeof(fold_T) * moved));
+ vim_free(nfp);
+--- 1489,1497 ----
+ }
+
+ /* move the existing folds down to make room */
+! if (idx + 1 < gap->ga_len)
+ mch_memmove(fp + moved, fp + 1,
+! sizeof(fold_T) * (gap->ga_len - (idx + 1)));
+ /* move the contained folds one level up */
+ mch_memmove(fp, nfp, (size_t)(sizeof(fold_T) * moved));
+ vim_free(nfp);
+*** ../vim-7.3.285/src/version.c 2011-08-19 22:28:58.000000000 +0200
+--- src/version.c 2011-08-26 16:07:59.000000000 +0200
+***************
+*** 711,712 ****
+--- 711,714 ----
+ { /* Add new patch number below this line */
++ /**/
++ 286,
+ /**/
+
+--
+To keep milk from turning sour: Keep it in the cow.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///