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Problem: It is not possible to only see part of the message history. It is
not possible to clear messages.
Solution: Add a count to ":messages" and a clear argument. (Yasuhiro
Matsumoto)
https://github.com/vim/vim/commit/451f849fd6282a4facd4f0f58af62837443fb5a6
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Closes #5558
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move `call_shell` to misc1.c
Move some fns to state.c
Move some fns to option.c
Move some fns to memline.c
Move `vim_chdir*` fns to file_search.c
Move some fns to new module, bytes.c
Move some fns to fileio.c
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https://groups.google.com/forum/#!msg/vim_dev/H3Z3ChSUh_4/beZs6KzYdBsJ
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vim-patch:7.4.1603
TODO(bfredl): if we allow events in HITRETURN and ASKMORE states,
we need to add the necessary redraws as well.
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vim-patch: 7.4.1347
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Problem: When there is any error Vim will use a non-zero exit code.
Solution: When using ":silent!" do not set the exit code. (Yasuhiro
Matsumoto)
https://github.com/vim/vim/commit/8b778d55993d951a65f8a59843cecd177c707676
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Originally there were 128 new errors, so I thought this is a good idea to fix
all of them. Of course, this commit also fixes many suppressed errors.
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1. Do not allow reading past buffer end when creating error messages.
2. Fix surrogate pairs range, avoid magic constants.
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Problem: 0x202f is not recognized as a non-breaking space character.
Solution: Add 0x202f to the list. (Christian Brabandt)
https://github.com/vim/vim/commit/73284b973a013692dd1055cf210f3138a7f3c497
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Regarding the individual items in the header:
`Vim - Vi improved by Bram Moolenar`
Bram Moolenar is already mentioned throughout the documentation, as
well as the intro screen.
`:help uganda`
It's already shown to all users who don't use `shortmess+=I` upon
starting nvim, and is already placed prominently in help.txt, i.e.,
`:help` run with no arguments.
`:help credits`
Already mentioned near the top of help.txt.
`README.md`
Already mentioned in develop.txt.
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The former no longer exists in this repo; see the top of
src/nvim/README.md.
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Problem: Can't specify when not to ring the bell.
Solution: Add the 'belloff' option. (Christian Brabandt)
https://github.com/vim/vim/commit/165bc69d1b7f70ca9d5b657f35d0584ecb7b5183
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Making an environment variable empty can be a way of unsetting it for
platforms that don't support unsetenv(). In most cases, we treat empty
variables as having been unset. For all others, use os_env_exists().
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Some style changes and minimal refactoring, to tidy up code.
No behavioural changes intended.
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Problem: Missing change in another file.
Solution: Also change message.c
https://github.com/vim/vim/releases/tag/v7-4-712
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Problem: Various small issues.
Solution: Fix those issues.
https://github.com/vim/vim/releases/tag/v7-4-553
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We already use wrappers for allocation, the new `xfree` function is the
equivalent for deallocation and provides a way to fully replace the malloc
implementation used by Neovim.
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Clean up said functions and some outdated comments while we're at it.
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Switching cursor off is only necessary in two occasions:
- When redrawing to avoid terminal flickering
- When the editor is busy
The first can now be handled by the TUI, so most calls to ui_cursor_off can be
removed from the core.
So, before this commit it was only necessary to switch the cursor off to notify
the user that nvim was running some long operation. Now the cursor_{on,off}
functions have been replaced by busy_{stop,start} which can be handled in a
UI-specific way(turning the cursor off or showing a busy indicator, for
example).
To make things even more simpler, nvim is always busy except when waiting for
user input or other asynchronous events: It automatically switches to a non-busy
state when the event loop is about to be entered for more than 100 milliseconds.
`ui_busy_start` can be called when its not desired to change the busy state in
the event loop (As its now done by functions that perform blocking shell
invocations).
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Problem : Branch condition evaluates to a garbage value @ 2868.
Diagnostic : False positive.
Rationale : Array has_hotkey, declared at 2812, is initialized by
console_dialog_alloc (only the needed number of elements).
That same number of elements is used by
copy_hotkeys_and_msg.
Suggested path error is impossible, because it involves a
different number of elements in those functions.
Resolution : Above condition is cumbersome to prove through assertions.
Thus, we prefer to just initialize the array to all-false
at declaration point before calling console_dialog_alloc.
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- Removed term.c, term.h and term_defs.h
- Tests for T_* values were removed. screen.c was simplified as a
consequence(the best strategy for drawing is implemented in the UI layer)
- Redraw functions now call ui.c functions directly. Updates are flushed with
`ui_flush()`
- Removed all termcap options(they now return empty strings for compatibility)
- &term/&ttybuiltin options return a constant value(nvim)
- &t_Co is still available, but it mirrors t_colors directly
- Remove cursor tracking from screen.c and the `screen_start` function. Now the
UI is expected to maintain cursor state across any call, and reset it when
resized.
- Remove unused code
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Problem : Out-of-bounds access @ 3730.
Diagnostic : Real issue.
Rationale : str is constructed step by step, str_l growing each time.
str_m is the maximum length of str. So, at every step,
avail is computed to see if the piece to be added fits in.
If not, piece is truncated to a max of `avail`, so that str
stays in bounds. Such blocks where pieces are added are of
the form `if (str_l < str_m)`. It then follows that once
one of those pieces exhausts available space on str, no
other such block should be entered. Formally:
str_l < strl_m && avail = str_m - str_l && x >= avail
-->
str_l + x >= str_m
Now, suggested error path successively enters blocks where
str is exhausted. We're not sure if coverity just fails to
follow above implications, or, on the contrary, it's aware
of them, but it's signaling the more complex possibility of
implications not being fulfilled because of possible
arithmetic overflows. We opt then to assume this last case,
as the possibility is in fact there.
Resolution : Refactor code so that tracked condition doesn't depend on
arithmetic implications. Check for overflow.
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- Remove abstract_ui global, now it is always active
- Remove some terminal handling code
- Remove unused functions
- Remove HAVE_TGETENT/TERMINFO/TERMIOS/IOCTL #ifdefs
- Remove tgetent/terminfo from version.c
- Remove curses/terminfo dependencies
- Only start/stop termcap when starting/exiting the program
- msg_use_printf will return true if there are no attached UIs(
messages will be written to stdout)
- Remove `ex_winpos`(implement `:winpos` with `ex_ni`)
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These were found with -Wunused-macros. There are many more macros which
triggered that warning, but they were primarily part of larger sets of
macros so leave them alone.
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Problem : Dereference of null pointer @ 179.
Diagnostic : False positive.
Rationale : Error occurs if `s` paramater is null, which should not
happen.
Resolution : Declare parameter as non null.
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Also move read_error_exit to os/input.c
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These functions only used to call another os_* function, so remove them and
replace all occurences in the project.
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