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2021-06-29awk: assorted optimizationsDenys Vlasenko
hash_find(): do not caclculate hash twice. Do not divide - can use cheap multiply-by-8 shift. nextword(): do not repeatedly increment in-memory value, do it in register, then store final result. hashwalk_init(): do not strlen() twice. function old new delta hash_search3 - 49 +49 hash_find 259 281 +22 nextword 19 16 -3 evaluate 3141 3137 -4 hash_search 54 28 -26 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/3 up/down: 71/-33) Total: 38 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: free unused parsing structures after parse is doneDenys Vlasenko
function old new delta hash_clear - 90 +90 awk_main 827 849 +22 clear_array 90 - -90 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 1/0 up/down: 112/-90) Total: 22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: document which hashes are used at what state (parse/execute)Denys Vlasenko
We can free them after they are no longer needed. (Currently, being a NOEXEC applet is much larger waste of memory for the case of long-running awk script). function old new delta awk_main 831 827 -4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: fix parsing of expressions such as "v (a)"Denys Vlasenko
function old new delta next_token 812 825 +13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: deindent a block, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: code shrinkDenys Vlasenko
function old new delta parse_expr 948 945 -3 chain_expr 65 62 -3 chain_group 655 649 -6 parse_program 310 303 -7 rollback_token 10 - -10 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 0/4 up/down: 0/-29) Total: -29 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: get rid of "move name one char back" trick in next_token()Denys Vlasenko
function old new delta next_token 791 812 +21 awk_main 886 831 -55 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 21/-55) Total: -34 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: when parsing TC_FUNCTION token, eat its opening '('Denys Vlasenko
...like we do for array references. function old new delta parse_expr 938 948 +10 next_token 788 791 +3 parse_program 313 310 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 13/-3) Total: 10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: g_buf[] does not need a separate allocationDenys Vlasenko
function old new delta exec_builtin 1400 1414 +14 evaluate 3132 3141 +9 getvar_s 121 125 +4 awk_main 902 886 -16 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/1 up/down: 27/-16) Total: 11 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: simplify parsing of function declarationDenys Vlasenko
function old new delta parse_program 328 313 -15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: rename TC_SEQSTART/END to L/RPAREN, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: deindent code block, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: use TS_foo for combined token classes. No code changesDenys Vlasenko
Confusion with "simple" classes was the cause of a bug fixed by previous commit Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: make ltclass ("last token class") local to next_token()Denys Vlasenko
function old new delta next_token 784 790 +6 next_input_file 219 216 -3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 6/-3) Total: 3 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-29awk: remove redundant checkDenys Vlasenko
function old new delta next_token 785 784 -1 parse_program 337 328 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-10) Total: -10 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-27vi: stored search pattern applies to ':s'Ron Yorston
The same stored search pattern applies to both search ('/') and search/replace (':s') operations. A search/replace operation with an empty "find" string (':s//abc/') should use the last stored search pattern, if available, and issue an error message if there is none. If the "find" string is not empty it should replace the stored search pattern. function old new delta colon 3952 4024 +72 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 72/0) Total: 72 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-25awk: move locals deeper into scopes where they are used, no logic changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-25awk: more efficient -f FILE, document what "some trick in next_token" isDenys Vlasenko
function old new delta awk_main 890 898 +8 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-23vi: fix read outside of text buffer during insertS Harris
Signed-off-by: S Harris <S.E.Harris@kent.ac.uk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-21vi: fix backward search with GNU regexRon Yorston
With FEATURE_VI_REGEX_SEARCH enabled backward searches don't work. This is problematic on distros that enable regexes, such as Tiny Core Linux and Fedora. When calling GNU re_search() with a negative range parameter (indicating a backward search) the start offset must be set to the end of the area being searched. The return value of re_search() is the offset of the matched pattern from the start of the area being searched. For a successful search (positive return value) char_search() can return the pointer to the start of the area plus the offset. FEATURE_VI_REGEX_SEARCH isn't enabled by default but when it is: function old new delta char_search 256 247 -9 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-9) Total: -9 bytes Signed-off-by: Andrey Dobrovolsky <andrey.dobrovolsky.odessa@gmail.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-20qwk: make code clearer, no actual code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-18awk: after preinc/dec, only allow variable, field ref, array ref, or another ↵Denys Vlasenko
preinc/dec Accepting nonsense like "--4", and even "-- -4" is confusing. function old new delta parse_expr 917 938 +21 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-16vi: reject change command when motion failsRon Yorston
If the motion command used to define the range of a change, yank or delete fails the whole command should be rejected. BusyBox vi already handled failed searches in these circumstances. Add some more cases: - non-existent mark: d'x - movement beyond end of file: c99999+ or 99999<< This is implemented using a global variable which is set when a command error is detected. Unlike the case of motion within a line it's insufficient to check that the motion command doesn't move the cursor: this fails to process 'LyL' correctly, for example, as the second 'L' doesn't move the cursor. function old new delta indicate_error 75 82 +7 find_range 686 692 +6 do_cmd 4851 4852 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 14/0) Total: 14 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-16vi: up/down motion beyond end of file should failRon Yorston
In traditional vi and vim line motion commands ('+'/'-'/'j'/'k') fail if the movement would exceed the bounds of the file. BusyBox vi allowed such commands to succeed, leaving the cursor on the first or last character of the file. Make BusyBox vi work like vi/vim. For the 'G'/'H'/'L' commands traditional vi treats an out of bounds result as an error, vim doesn't. BusyBox vi behaves like vim, both before and after this patch. function old new delta do_cmd 4785 4851 +66 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 66/0) Total: 66 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-16vi: keep autoindent if line isn't emptyRon Yorston
When ESC is entered to leave insert mode any autoindent should only be removed if there's no content beyond the indent. This may be the case if a line has been split by entering insert mode and then entering a CR. Add a check to ensure there's only a newline after the indent. function old new delta char_insert 912 929 +17 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 17/0) Total: 17 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-16awk: fix use-after-free in "$BIGNUM1 $BIGGERNUM2" concat opDenys Vlasenko
Second reference to a field reallocs/moves Fields[] array, but first ref still tries to use the element where it was before move. function old new delta fsrealloc 94 106 +12 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-14vi: initialise tabstop once not for each fileRon Yorston
The default tabstop value should be set during early start up, not reset for each new file. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-14vi: ':r' should insert text after current lineRon Yorston
When no line number is specified ':read' should place the inserted text after the current line, not before. This used to be correct but was broken when commit 0c42a6b07 (vi: fix empty line range regression) revealed a bug in commit 7a8ceb4eb (vi: changes to line addresses for colon commands). function old new delta colon 3960 3952 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-8) Total: -8 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-14*: --help tweaksDenys Vlasenko
function old new delta packed_usage 33589 33552 -37 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-13*: --help tweaksDenys Vlasenko
function old new delta .rodata 103190 103189 -1 packed_usage 33590 33566 -24 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-25) Total: -25 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-02vi: remove autoindent from otherwise empty linesRon Yorston
Lines that have no content apart from automatic indentation should be treated as empty when the user hits return or ESC. The implementation uses the global variable 'indentcol'. Usually this is zero. It can also be -1 to indicate an 'O' (open above) command, replacing the overloading of the tabstop option bit. A value greater than zero indicates that the current line has been autoindented to the given column (or that the autoindent has been adjusted with ctrl-D). Any other change to the line resets 'indentcol' to zero. Replace strspn() with ident_len(). The latter handles the unlikely case that it's called on the last line of a file which doesn't have a terminating newline. function old new delta char_insert 741 912 +171 indent_len - 42 +42 do_cmd 4781 4785 +4 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 217/0) Total: 217 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-02vi: make autoindent respect expandtab settingRon Yorston
Autoindent took a copy of the indent from a neighbouring line, which may not have respected the expandtab setting. Determine the target column and construct a suitable indent. This will consist entirely of spaces if expandtab is enabled or an efficient combination of tabs and spaces otherwise. function old new delta char_insert 719 741 +22 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 22/0) Total: 22 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-06-02vi: make cursor positioning more vi compatibleRon Yorston
Commit 24effc7a3 (vi: cursor positioning after whole-line 'y') tried to save a few bytes by treating whole-line deletion the same as whole-line yank. If the deletion removed the last lines of the file the cursor was left beyond the end of the file. Revert the part of the commit related to whole-line deletion. Position the cursor on the first non-whitespace character of the line when whole lines are 'put'. function old new delta do_cmd 4759 4781 +22 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 22/0) Total: 22 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-05-04vi: :wq/:x should warn if there are more files to editRon Yorston
':wq' or ':x' should issue a warning if there are more files to edit, unless they're followed by '!'. function old new delta colon 3911 3960 +49 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 49/0) Total: 49 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-05-04vi: cursor positioning after whole-line 'y'Ron Yorston
The 'y' command to yank text should leave the cursor at the start of the range. This mostly works correctly in BusyBox vi but not for whole-line yanks with backward motion, e.g. '2yk' to yank two lines backwards. In this case the cursor is left at the end of the range. Fix this by returning the actual range from find_range(). Cursor positioning following whole-line deletion is inconsistent between vim and traditional vi. For BusyBox vi chose the option that uses least code without being exactly compatible with either. Also, find_range() preserved the value of 'dot', the current cursor position. Since this isn't used by either caller of find_range() we can save a few bytes by not bothering. function old new delta do_cmd 4730 4759 +29 find_range 749 686 -63 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-63) Total: -34 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-05-01vi: trivial code shrinkDenys Vlasenko
function old new delta get_input_line 178 176 -2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-30vi: fix empty line range regressionRon Yorston
Commit 7a8ceb4eb (vi: changes to line addresses for colon commands) was supposed to address the issue: When the last address is empty it should refer to the current line. This was intended to allow ranges of the form '1,' with an empty last address. It should have been expressed as: When the last address is empty *and the second last isn't* it should refer to the current line. Otherwise a command like ':w' only writes the current line resulting in serious loss of data. function old new delta colon 3906 3911 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 5/0) Total: 5 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: expand '%' and '#' in colon commandsRon Yorston
Track the current and alternate filenames. The placeholders '%' and '#' can be used in arguments to colon commands to represent the current and alternate filenames respectively. Backslash can be used to allow literal '%' and '#' characters to be entered. This feature is controlled by the configuration option FEATURE_VI_COLON_EXPAND. function old new delta expand_args - 198 +198 colon 3751 3927 +176 update_filename - 70 +70 init_filename - 48 +48 .rodata 105218 105239 +21 get_one_char 115 124 +9 edit_file 835 838 +3 do_cmd 4724 4727 +3 init_text_buffer 190 172 -18 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 5/1 up/down: 528/-18) Total: 510 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: fix buffer overrun; code shrinkRon Yorston
It was possible for get_input_line() to store its NUL terminator one character beyond the end of its buffer. Code shrink in colon(): - Certain colon commands can be matched exactly, as any shorter string would be matched earlier, e.g. ':wq' versus ':write'. - Command matching is now case sensitive so there's no need to check for 'N' or 'Q' suffixes. - Rewrite how commands and arguments are split. function old new delta colon 3848 3751 -97 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-97) Total: -97 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: improvements to ':read' commandRon Yorston
Improvements to ':read': - When a file is read into the current buffer the cursor should be placed on the first line read. - If invoked without supplying a filename the current filename should be used. This is similar to how ':edit' works. - The code for ':edit' included an explicit check that the current filename was non-empty. Both vim and traditional vi accept non-empty filenames, only issuing an error message when an attempt to use such a name fails. - Allow undo of a file read. function old new delta file_insert 367 382 +15 colon 3841 3848 +7 .rodata 105236 105218 -18 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/1 up/down: 22/-18) Total: 4 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: preserve state when switching fileRon Yorston
When a new file is opened from an existing editing session the following details should be preserved: - the last command used; - the last character searched for on a line. function old new delta edit_file 849 835 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-14) Total: -14 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: 'ZZ' should warn if there are more files to editRon Yorston
When 'ZZ' was used to save the current file and more files were available to edit BusyBox vi immediately moved on to the next file. The correct behaviour is to issue a warning. function old new delta do_cmd 4673 4724 +51 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 51/0) Total: 51 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: saving unnamed file in readonly modeRon Yorston
Suppose vi is started with the command 'vi -R', that is, in readonly mode with no filename. Attempting to save the file with 'ZZ' or ':w' results in the message: '(null)' is read only Skip the code which prints this if no filename was provided, thus falling through to file_write() which gives the more helpful message 'No current filename'. function old new delta colon 3867 3874 +7 do_cmd 4668 4673 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 12/0) Total: 12 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: adjust conditional compilation of modifying_cmdsRon Yorston
Since commit 74d565ff1 (vi: make context marks more like vi) the list of commands that modify the text is no longer required when FEATURE_VI_YANKMARK is enabled, only FEATURE_VI_DOT_CMD. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-28vi: changes to line addresses for colon commandsRon Yorston
Make line addresses behave more like vi: - Vi allows the user to enter an arbitrary number of addresses, though only the last two are used. This simplifies get_address() by reducing the amount of state that needs to be carried. - When a command requires a single address the last one entered is used. - If addresses are separated by a ';' instead of a ',' the current line is updated to the left address. This may be useful when a search is used to specify a range, e.g. ':/first/;/last/d'. - When the last address is empty it should refer to the current line. function old new delta colon 3855 3834 -21 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-21) Total: -21 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-20vi: make de-indentation with ctrl-D more like vimRon Yorston
Commit ac6495f6f (vi: allow ctrl-D to reduce indentation) treated ctrl-D during autoindent as a backspace. This was adequate for indentation using tabs but doesn't work well with the expandtab option. In the latter case it's necessary to backspace over all the spaces. Make ctrl-D work correctly when spaces are present in the indent. Also, make it behave more like vim: - ctrl-D is independent of autoindent; - indentation is reduced even when the cursor isn't positioned at the end of the indent. function old new delta char_insert 679 717 +38 get_column - 37 +37 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/0 up/down: 75/0) Total: 75 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-20vi: add expandtab optionRon Yorston
This implements the vim option expandtab in BusyBox vi. From vim help: In Insert mode: Use the appropriate number of spaces to insert a <Tab>. Spaces are used in indents with the '>' and '<' commands and when 'autoindent' is on. To insert a real tab when 'expandtab' is on, use CTRL-V<Tab>. This implementation doesn't change how BusyBox vi handles autoindent: it continues to copy the indentation from a neighbouring line. If that line has tabs in its indentation so too will the new line. function old new delta char_insert 563 679 +116 next_column - 48 +48 .rodata 105211 105236 +25 colon 3844 3855 +11 refresh 1000 982 -18 move_to_col 83 59 -24 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/2 up/down: 200/-42) Total: 158 bytes Signed-off-by: Peter D <urmum69@snopyta.org> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-15vi: move undo_queue_state in globals to other byte-sized membersDenys Vlasenko
function old new delta vi_main 278 275 -3 undo_queue_commit 62 56 -6 undo_push 374 362 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-21) Total: -21 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-15vi: allow line addresses to have an offsetRon Yorston
Line addresses in colon commands can be defined using an expression that includes '+' or '-' operators. The implementation follows traditional vi: - The first term in the expression defines an address. It can be an absolute line number, '.', '$', a search or a marker. - The second and subsequent terms must be non-negative integers. - If the first term is missing '.' is assumed. If the operator is missing addition is assumed. If the final term in missing an offset of 1 is assumed. Thus the following are valid addresses: .+1 .+ + .1 .-1 .- - The following are not valid (though they are in vim): .+$ .$ 2+. function old new delta colon 3701 3844 +143 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 143/0) Total: 143 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2021-04-15vi: allow backward search to specify line addressRon Yorston
It should be possible to use a backward search as a line address in colon commands. function old new delta colon 3661 3701 +40 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/0 up/down: 40/0) Total: 40 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
generated by cgit v1.1 at 2024-11-19 02:40:33 +0000