runtime(netrw): Fix handling of very long filename on longlist style (#12150) Commit: https://github.com/vim/vim/commit/8750e3cf81f12132e7b4141501feba586b1ae11d Author: K.Takata <kentkt@csc.jp> Date: Wed Nov 22 18:20:01 2023 +0900 runtime(netrw): Fix handling of very long filename on longlist style (https://github.com/vim/vim/issues/12150) If there is a file with a very long filename (longer than g:netrw_maxfilenamelen), and if g:netrw_liststyle is set to 1, no space is inserted between the filename and the filesize and the file cannot be opened because of this. E.g.: ``` $ echo hello > 12345678901234567890123456789012 # 32 bytes: OK $ echo hello > 123456789012345678901234567890123 # 33 bytes: not OK $ echo hello > 1234567890123456789012345678901234 # 34 bytes: not OK $ echo hello > ????? # multibyte filename $ LC_ALL=C.UTF-8 vim . --clean --cmd "set loadplugins" --cmd "let g:netrw_liststyle=1" ``` Then, it will be shown like this: ``` " ============================================================================ " Netrw Directory Listing (netrw v171) " /cygdrive/c/work/netrw-test " Sorted by name " Sort sequence: [\/]$,\<core\%(\.\d\+\)\=\>,\.h$,\.c$,\.cpp$,\~\=\*$,*,\.o$,\ " Quick Help: <F1>:help -:go up dir D:delete R:rename s:sort-by x:special " ============================================================================== ../ 0 Mon Mar 13 19:25:16 2023 ./ 0 Mon Mar 13 19:44:58 2023 12345678901234567890123456789012 6 Mon Mar 13 19:29:43 2023 12345678901234567890123456789012346 Mon Mar 13 19:32:40 2023 1234567890123456789012345678901236 Mon Mar 13 19:29:49 2023 ????? 6 Mon Mar 13 19:30:41 2023 ``` If the length of the filename is 32 bytes, there is a space between the filename and the filesize. However, when it is longer than 32 bytes, no space is shown. Also, you may find that the filesize of the multibyte named file is not aligned. After this patch is applied, the filelist will be shown like this: ``` " ============================================================================ " Netrw Directory Listing (netrw v171) " /cygdrive/c/work/netrw-test " Sorted by name " Sort sequence: [\/]$,\<core\%(\.\d\+\)\=\>,\.h$,\.c$,\.cpp$,\~\=\*$,*,\.o$,\ " Quick Help: <F1>:help -:go up dir D:delete R:rename s:sort-by x:special " ============================================================================== ../ 0 Mon Mar 13 20:49:22 2023 ./ 0 Mon Mar 13 21:12:14 2023 1234567890123456789012345678901 10000 Mon Mar 13 20:57:55 2023 12345678901234567890123456789012 6 Mon Mar 13 19:29:43 2023 123456789012345678901234567890123 6 Mon Mar 13 19:29:49 2023 1234567890123456789012345678901234 6 Mon Mar 13 19:32:40 2023 1234567890123456789012345678901234567 10000 Mon Mar 13 21:03:23 2023 1234567890123456789012345678901234567890 10000 Mon Mar 13 21:03:36 2023 123456789012345678901234567890123456789012 10000 Mon Mar 13 21:03:59 2023 1234567890123456789012345678901234567890123 10000 Mon Mar 13 21:03:45 2023 1234567890123456789012345678901234567890123456 5 Mon Mar 13 21:08:15 2023 12345678901234567890123456789012345678901234567 10 Mon Mar 13 21:05:21 2023 ????? 6 Mon Mar 13 19:30:41 2023 ``` Now we have 32 + 2 + 15 = 49 characters for filename and filesize. It tries to align the filesize as much as possible. The last line that has multibyte filename is also aligned. Also fixed the issue that the file list is not shown correctly when g:netrw_sort_by is set to 'size' and g:netrw_sizestyle is set to 'h' or 'H'. Signed-off-by: Christian Brabandt <cb@256bit.org>

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