To: vim_dev@googlegroups.com Subject: Patch 8.0.0342 Fcc: outbox From: Bram Moolenaar Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ------------ Patch 8.0.0342 Problem: Double free when compiled with EXITFREE and setting 'ttytype'. Solution: Avoid setting P_ALLOCED on 'ttytype'. (Dominique Pelle, closes #1461) Files: src/option.c, src/testdir/test_options.vim *** ../vim-8.0.0341/src/option.c 2017-02-17 14:53:11.704743399 +0100 --- src/option.c 2017-02-19 20:25:48.489199941 +0100 *************** *** 3775,3781 **** if (options[i].indir == PV_NONE) { /* global option: free value and default value. */ ! if (options[i].flags & P_ALLOCED && options[i].var != NULL) free_string_option(*(char_u **)options[i].var); if (options[i].flags & P_DEF_ALLOCED) free_string_option(options[i].def_val[VI_DEFAULT]); --- 3775,3781 ---- if (options[i].indir == PV_NONE) { /* global option: free value and default value. */ ! if ((options[i].flags & P_ALLOCED) && options[i].var != NULL) free_string_option(*(char_u **)options[i].var); if (options[i].flags & P_DEF_ALLOCED) free_string_option(options[i].def_val[VI_DEFAULT]); *************** *** 5929,5936 **** --- 5929,5942 ---- else if (set_termname(T_NAME) == FAIL) errmsg = (char_u *)N_("E522: Not found in termcap"); else + { /* Screen colors may have changed. */ redraw_later_clear(); + + /* Both 'term' and 'ttytype' point to T_NAME, only set the + * P_ALLOCED flag on 'term'. */ + opt_idx = findoption((char_u *)"term"); + } } /* 'backupcopy' */ *** ../vim-8.0.0341/src/testdir/test_options.vim 2017-02-17 14:53:11.704743399 +0100 --- src/testdir/test_options.vim 2017-02-19 20:30:01.851273297 +0100 *************** *** 235,237 **** --- 235,256 ---- call assert_fails("set showbreak=\x01", 'E595:') call assert_fails('set t_foo=', 'E846:') endfunc + + func Test_set_ttytype() + if !has('gui_running') && has('unix') + " Setting 'ttytype' used to cause a double-free when exiting vim and + " when vim is compiled with -DEXITFREE. + set ttytype=ansi + call assert_equal('ansi', &ttytype) + call assert_equal(&ttytype, &term) + set ttytype=xterm + call assert_equal('xterm', &ttytype) + call assert_equal(&ttytype, &term) + " FIXME: "set ttytype=" gives E522 instead of E529 + " in travis on some builds. Why? Commented out this test for now. + " call assert_fails('set ttytype=', 'E529:') + call assert_fails('set ttytype=xxx', 'E522:') + set ttytype& + call assert_equal(&ttytype, &term) + endif + endfunc *** ../vim-8.0.0341/src/version.c 2017-02-19 15:26:14.353270128 +0100 --- src/version.c 2017-02-19 20:14:05.002473758 +0100 *************** *** 766,767 **** --- 766,769 ---- { /* Add new patch number below this line */ + /**/ + 342, /**/ -- Engineers are always delighted to share wisdom, even in areas in which they have no experience whatsoever. Their logic provides them with inherent insight into any field of expertise. This can be a problem when dealing with the illogical people who believe that knowledge can only be derived through experience. (Scott Adams - The Dilbert principle) /// 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 ///