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+To: vim-dev@vim.org
+Subject: Patch 7.2.279
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.2.279
+Problem: Invalid memory read with visual mode "r". (Dominique Pelle)
+Solution: Make sure the cursor position is valid. Don't check the cursor
+ position but the position being used. And make sure we get the
+ right line.
+Files: src/misc2.c, src/ops.c
+
+
+*** ../vim-7.2.278/src/misc2.c 2009-05-16 21:06:36.000000000 +0200
+--- src/misc2.c 2009-11-03 16:43:10.000000000 +0100
+***************
+*** 156,162 ****
+ || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL)
+ #endif
+ ;
+! line = ml_get_curline();
+
+ if (wcol >= MAXCOL)
+ {
+--- 156,162 ----
+ || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL)
+ #endif
+ ;
+! line = ml_get_buf(curbuf, pos->lnum, FALSE);
+
+ if (wcol >= MAXCOL)
+ {
+***************
+*** 332,340 ****
+ #endif
+
+ #ifdef FEAT_MBYTE
+! /* prevent cursor from moving on the trail byte */
+ if (has_mbyte)
+! mb_adjust_cursor();
+ #endif
+
+ if (col < wcol)
+--- 332,340 ----
+ #endif
+
+ #ifdef FEAT_MBYTE
+! /* prevent from moving onto a trail byte */
+ if (has_mbyte)
+! mb_adjustpos(pos);
+ #endif
+
+ if (col < wcol)
+*** ../vim-7.2.278/src/ops.c 2009-09-30 15:15:33.000000000 +0200
+--- src/ops.c 2009-11-03 15:18:50.000000000 +0100
+***************
+*** 2020,2025 ****
+--- 2020,2026 ----
+ bd.is_MAX = (curwin->w_curswant == MAXCOL);
+ for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum)
+ {
++ curwin->w_cursor.col = 0; /* make sure cursor position is valid */
+ block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
+ if (bd.textlen == 0 && (!virtual_op || bd.is_MAX))
+ continue; /* nothing to replace */
+***************
+*** 2035,2040 ****
+--- 2036,2042 ----
+ {
+ pos_T vpos;
+
++ vpos.lnum = curwin->w_cursor.lnum;
+ getvpos(&vpos, oap->start_vcol);
+ bd.startspaces += vpos.coladd;
+ n = bd.startspaces;
+***************
+*** 2693,2703 ****
+ * initial coladd offset as part of "startspaces" */
+ if (bd.is_short)
+ {
+! linenr_T lnum = curwin->w_cursor.lnum;
+!
+! curwin->w_cursor.lnum = linenr;
+ (void)getvpos(&vpos, oap->start_vcol);
+- curwin->w_cursor.lnum = lnum;
+ }
+ else
+ vpos.coladd = 0;
+--- 2695,2702 ----
+ * initial coladd offset as part of "startspaces" */
+ if (bd.is_short)
+ {
+! vpos.lnum = linenr;
+ (void)getvpos(&vpos, oap->start_vcol);
+ }
+ else
+ vpos.coladd = 0;
+*** ../vim-7.2.278/src/version.c 2009-11-03 16:29:48.000000000 +0100
+--- src/version.c 2009-11-03 16:41:53.000000000 +0100
+***************
+*** 678,679 ****
+--- 678,681 ----
+ { /* Add new patch number below this line */
++ /**/
++ 279,
+ /**/
+
+--
+BEDEVERE: How do you know so much about swallows?
+ARTHUR: Well you have to know these things when you're a king, you know.
+ "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// 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 ///