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Larry to fix a silly bug when BB_FEATURE_VI_OPTIMIZE_CURSOR
is not defined.
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- All of the ESC sequences are now in variables. This should make
re-targeting for other terminals easier.
- The initial screen draw does not force out every single column.
Should be faster.
- The place_cursor() routine trys to be smarter about moving the
cursor. This is optional based on BB_FEATURE_VI_OPTIMIZE_CURSOR.
- The 't' and 'f' intra-line positioning commands were added.
They can now be used as targets in 'c' and 'd' commands, i.e.,
dfx - delete from dot to next 'x'
dtx - delete from dot to the char before next 'x'
- show_status_line() uses a static int checksum to remember what
is currently displayed on the screen and not re-draw the status
line unless it has changed.
- Some of the code in refresh() was moved out to format_line().
refresh() trys to send out the smallest segment containing
the changed chars rather than the whole line.
- Added "flash" to the :set command to specify if error indication
should be by flashing the screen or ringing the bell.
- Changed the rawmode() routine so that it turns off the
NL -> CR NL translation. On output of a NL, the OS will not add
a CR.
- If vi was started as "view", with global read-only mode,
and another file is opened, the file is opened read-only
rather than read+write.
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uses it to avoid possible buffer underruns whn strlen is zero, and avoid the
possible space-hogging inline of strlen() in several cases.
-Erik
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in some cases.
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spotting this one.
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vi editor for busybox, contributed by Sterling Huxley <sterling@europa.com>.
It adds 22k to the busybox binary when enabled. Quite impressive!
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substitution delimiter.
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-Erik
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done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.
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a release. Update the website with release details.
-Erik
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busybox.h which slowed compiles. I left only what was needed and then fixed up
all the apps to include their own header files. I also fixed naming for pwd.h
and grp.h functions. Tested to compile and run with libc5, glibc, and uClibc.
-Erik
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maintain in AUTHORS.
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now things such as
$ echo foo | sed 'sxfooxb\arx'
bar
will work as expected (and so doogie can stop complaining).
-Erik
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compliant with the style guide. Everybody rebuild your tags file!
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would not match blank lines (bug #1064). Followed Matt Kraii's suit on his
1.42 revision of grep. Tested it, works.
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a few other ugly places (do_subst_command got a much-needed overhaul). Also
took out BB_FEATURE_SED_PATTERN_SPACE from Config.h[.Hurd] as the 'p' is now a
standard feature (adds almost no bloat).
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-Erik
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segfaulting or handling errors the same way themselves.
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substitution expressions.
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sed was only printing the first line and then exiting.
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characters properly, just like GNU sed.
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-Erik
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the -V (version) flag from busybox sed. It is unnecessary because sed is not a
standalone and should therefore be independently reporting a version number.
Moreover, it is extra code that we just don't need.
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Used where possible
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(\1, \2...\9). This touched a lot of places in this file and I added a new
function 'print_subst_w_backrefs' in order to keep 'do_subst_command' a
little more tidy.
* I tested this good 'n hard, but will always appreciate more testing from
other, willing folks.
- Noticed that the index_of_next_unescaped_slash was subtly wrong so I
changed both the functionality and behavior (it used to skip over the first
char in the string you passed it, assuming it was a leading '/'--this
assumption is no longer made) this necessitated changing the lines that
call this function just slightly.
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- add_cmd_str: segv's were being generated if there was a '# comment' line
(and probably other kinds of lines, too) that was not followed by a
semi-colon or whitespace
- parse_edit_cmd: was returning a wrong number (too low) for the index; it
was not accounting for backslashes eaten, for the fact that we start at the
3rd index in the string, or for the fact that we add an extra newline.
- parse_cmd_str: was returning a wrong number (again, too low) for the index
in the case of single-letter commands (p,d). There was some
over-compensation for this in the 'return' stmt at the end which also
needed some help.
- load_cmd_file: was not eating trailing newlines off the line read from the
command file. This had the deleterious effect of printing an extra newlines
after text displayed from edit (i,a,c) commands.
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- Obsoleted the trim_str function (#if 0'ed out -- maybedelete later) in
favor of strrspn.
- Obsoleted the strrspn function (#if 0'ed out as well) as soon as I
discovered that it wasn't needed either.
- Fixed a subtle bug in parse_subst_cmd where it would choke with an error if
there was any trailing space after the s/match/replace/ expression.
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to accomodate a trailing '\n'ewline that I append to it later one. This is
only necessary for the case of one inserted, appended, or changed line, but
it's still necessary.
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specified.
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substitution command execution from do_sed_command() and put it in it's own
do_subst_command() function.
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interface that seems a little more sensible to me. Also broke out s///
expression parsing into it's own subroutine.
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(maybe I'll remove it later).
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than peppering it throughout the code.
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