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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.403
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.403
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Problem: Valgrind reports errors when running test 72. (Dominique Pelle)
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Solution: Reset the local 'cryptmethod' option before storing the seed.
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Set the seed in the memfile even when there is no block0 yet.
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Files: src/fileio.c, src/option.c, src/memline.c
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*** ../vim-7.4.402/src/fileio.c 2014-08-10 13:34:59.056785459 +0200
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--- src/fileio.c 2014-08-13 21:27:51.452857400 +0200
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***************
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*** 2944,2949 ****
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--- 2944,2950 ----
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* Avoids accidentally overwriting the file with garbage. */
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curbuf->b_p_ro = TRUE;
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+ /* Set the cryptmethod local to the buffer. */
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crypt_set_cm_option(curbuf, method);
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if (cryptkey == NULL && !*did_ask)
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{
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*** ../vim-7.4.402/src/option.c 2014-08-10 13:34:59.060785459 +0200
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--- src/option.c 2014-08-13 21:48:49.924876683 +0200
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***************
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*** 6163,6168 ****
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--- 6163,6176 ----
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p_cm = vim_strsave((char_u *)"zip");
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new_value_alloced = TRUE;
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}
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+ /* When using ":set cm=name" the local value is going to be empty.
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+ * Do that here, otherwise the crypt functions will still use the
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+ * local value. */
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+ if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
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+ {
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+ free_string_option(curbuf->b_p_cm);
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+ curbuf->b_p_cm = empty_option;
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+ }
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/* Need to update the swapfile when the effective method changed.
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* Set "s" to the effective old value, "p" to the effective new
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*** ../vim-7.4.402/src/memline.c 2014-08-10 13:34:59.060785459 +0200
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--- src/memline.c 2014-08-13 21:52:40.076880210 +0200
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***************
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*** 235,240 ****
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--- 235,241 ----
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} upd_block0_T;
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#ifdef FEAT_CRYPT
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+ static void ml_set_mfp_crypt __ARGS((buf_T *buf));
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static void ml_set_b0_crypt __ARGS((buf_T *buf, ZERO_BL *b0p));
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#endif
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static int ml_check_b0_id __ARGS((ZERO_BL *b0p));
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***************
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*** 433,438 ****
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--- 434,458 ----
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#if defined(FEAT_CRYPT) || defined(PROTO)
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/*
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+ * Prepare encryption for "buf" for the current key and method.
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+ */
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+ static void
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+ ml_set_mfp_crypt(buf)
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+ buf_T *buf;
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+ {
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+ if (*buf->b_p_key != NUL)
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+ {
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+ int method_nr = crypt_get_method_nr(buf);
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+
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+ if (method_nr > CRYPT_M_ZIP)
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+ {
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+ /* Generate a seed and store it in the memfile. */
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+ sha2_seed(buf->b_ml.ml_mfp->mf_seed, MF_SEED_LEN, NULL, 0);
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+ }
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+ }
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+ }
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+
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+ /*
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* Prepare encryption for "buf" with block 0 "b0p".
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*/
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static void
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***************
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*** 915,922 ****
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ZERO_BL *b0p;
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mfp = buf->b_ml.ml_mfp;
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! if (mfp == NULL || (hp = mf_get(mfp, (blocknr_T)0, 1)) == NULL)
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return;
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b0p = (ZERO_BL *)(hp->bh_data);
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if (ml_check_b0_id(b0p) == FAIL)
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EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
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--- 935,953 ----
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ZERO_BL *b0p;
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mfp = buf->b_ml.ml_mfp;
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! if (mfp == NULL)
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! return;
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! hp = mf_get(mfp, (blocknr_T)0, 1);
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! if (hp == NULL)
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! {
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! #ifdef FEAT_CRYPT
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! /* Possibly update the seed in the memfile before there is a block0. */
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! if (what == UB_CRYPT)
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! ml_set_mfp_crypt(buf);
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! #endif
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return;
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+ }
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+
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b0p = (ZERO_BL *)(hp->bh_data);
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if (ml_check_b0_id(b0p) == FAIL)
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EMSG(_("E304: ml_upd_block0(): Didn't get block 0??"));
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*** ../vim-7.4.402/src/version.c 2014-08-12 20:14:28.795371197 +0200
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--- src/version.c 2014-08-13 17:23:02.964632329 +0200
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***************
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*** 743,744 ****
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--- 743,746 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 403,
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/**/
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--
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How To Keep A Healthy Level Of Insanity:
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9. As often as possible, skip rather than walk.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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