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| author | zeertzjq <zeertzjq@outlook.com> | 2021-10-20 11:01:15 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-10-20 11:01:15 +0100 |
| commit | 94358a1e6e640ca5ebeb295efdddd4e92b700673 (patch) | |
| tree | 81179f39149f91396d2c5af7c70ed758c326fbce /src/mbyte.c | |
| parent | 051a40c8d91d4595c69a27375f739367d806a475 (diff) | |
| download | vim-git-94358a1e6e640ca5ebeb295efdddd4e92b700673.tar.gz | |
patch 8.2.3545: setcellwidths() may make 'listchars' or 'fillchars' invalidv8.2.3545
Problem: setcellwidths() may make 'listchars' or 'fillchars' invalid.
Solution: Check the value and give an error. (closes #9024)
Diffstat (limited to 'src/mbyte.c')
| -rw-r--r-- | src/mbyte.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/mbyte.c b/src/mbyte.c index a626f50c6..76eab4e2e 100644 --- a/src/mbyte.c +++ b/src/mbyte.c @@ -5510,6 +5510,8 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED) int i; listitem_T **ptrs; cw_interval_T *table; + cw_interval_T *cw_table_save; + size_t cw_table_size_save; if (in_vim9script() && check_for_list_arg(argvars, 0) == FAIL) return; @@ -5620,9 +5622,41 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED) } vim_free(ptrs); - vim_free(cw_table); + + cw_table_save = cw_table; + cw_table_size_save = cw_table_size; cw_table = table; cw_table_size = l->lv_len; + + // Check that the new value does not conflict with 'fillchars' or + // 'listchars'. + if (set_chars_option(curwin, &p_fcs) != NULL) + { + emsg(_(e_conflicts_with_value_of_fillchars)); + cw_table = cw_table_save; + cw_table_size = cw_table_size_save; + vim_free(table); + return; + } + else + { + tabpage_T *tp; + win_T *wp; + + FOR_ALL_TAB_WINDOWS(tp, wp) + { + if (set_chars_option(wp, &wp->w_p_lcs) != NULL) + { + emsg((e_conflicts_with_value_of_listchars)); + cw_table = cw_table_save; + cw_table_size = cw_table_size_save; + vim_free(table); + return; + } + } + } + + vim_free(cw_table_save); } void |