| Commit message (Collapse) | Author | Age |
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* refactor: format all C files under nvim
* refactor: disable formatting for Vim-owned files:
* src/nvim/indent_c.c
* src/nvim/regexp.c
* src/nvim/regexp_nfa.c
* src/nvim/testdir/samples/memfile_test.c
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> The option 'maxmem' ('mm') is used to set the maximum memory used for one
> buffer (in kilobytes). 'maxmemtot' is used to set the maximum memory used for
> all buffers (in kilobytes). The defaults depend on the system used. These
> are not hard limits, but tell Vim when to move text into a swap file. If you
> don't like Vim to swap to a file, set 'maxmem' and 'maxmemtot' to a very large
> value. The swap file will then only be used for recovery. If you don't want
> a swap file at all, set 'updatecount' to 0, or use the "-n" argument when
> starting Vim.
On today's systems these values are huge (4GB in my machine with 8GB of RAM
since it's set as half the available memory by default) so the limits are
never reached in practice, but Vim wastes a lot of time checking if the limit
was reached.
If the limit is reached Vim starts saving pieces of the swap file that were in
memory to the disk. Said in a different way: Vim implements its own memory
swapping mechanism. This is unnecessary and inefficient since the operating
system already virtualized the memory and will swap to the disk if programs
start using too much memory.
This change does...
1. Reduce the number of config options and need for documentation.
2. Make the code more efficient as we don't have to keep track of memory usage
nor check if the memory limits were reached to start swapping to disk every
time we need memory for buffers.
3. Simplify the code. Once `memfile.c` is simple enough it could be replaced by
actual operating system memory mapping (`mmap`, `MemoryViewOfFile`...).
This change does not prevent Vim to recover changes from swap files since the
swapping code is never triggered with the huge limits set by default.
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Drops comments `// for …` that do not pass linter for them being unmaintainable
and fast to becoming incomplete or even incorrect.
Mention @dedmass
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Replace long with int64_t.
Apart from being convenient, not using long is required by clint.
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Replace int with bool where appropriate.
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This, in addition to being more correct, allows removing a lot of
explicit casts.
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Unused since 457bb2615154946d273d75e07f5d5a936f50ede0.
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- memfile_defs.h:
* hashtab_T: mht_mask: long_u -> size_t.
Masks are used to truncate keys to a value adequate for an index
in the array of entries. Value of the mask plus one is the
current size of the array. Both of those reasons imply the
soundness of size_t for this type.
* hashtab_T: mht_count: long_u -> size_t.
- memfile.c:
* total_mem_used: long_u -> size_t.
* mf_hash_free_all: idx: long_u -> size_t.
* mf_hash_add_item: idx: long_u -> size_t.
* mf_hash_find: idx: long_u -> size_t.
* mf_hash_grow: i: long_u -> size_t.
* mf_hash_grow: j: long_u -> size_t.
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- Add memfile.c to converted files list.
- Fix conversion issues:
* bhdr_T : bh_page_count : int -> unsigned.
* bhdr_T : bh_flags : char -> unsigned.
* mf_new() : page_count : int -> unsigned.
* mf_get() : page_count : int -> unsigned.
* mf_release() : page_count : int -> unsigned.
* mf_alloc_bhdr() : page_count : int -> unsigned.
* mf_trans_add() : page_count : int -> unsigned.
* mf_put() : flags : int -> unsigned.
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- Drop '_S' suffix for struct names.
- Make struct names match corresponding type's name (just removing '_S' suffix).
- Rename NR_TRANS type/struct (just ugly).
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memfile_defs.h:
- Inline struct definitions in typedefs.
- Move memfile_T definition to this file (weirdly, was in buffer_defs.h).
memfile.c:
- Use C99 style variable declarations. This is, move variable declarations as
near to first-usage point as possible).
- Modernize old-style function declarations.
- Fix indent at some places (some multiline expressions and the like).
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- Restyle comments (/// when appropiate, // otherwise).
- Improve comments (add new comments, augment/clarify existing ones).
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Seems to make no difference to the main binary, but it helps the tests a bit
further along.
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As discussed in #694, vim encryption uses old,
obsolete algorithms that are poorly implemented.
Since insecure cryptography is worse than no
cryptgraphy, the community voted in favor of
removing all crypto.
Various alternatives to the old crypto is
being discussed in #701.
Closes #694.
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Change define guards from NEOVIM_XXX_H to NVIM_XXX_H:
- Change header files.
- Change clint correct guard name calculation.
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Move files from src/ to src/nvim/.
- src/nvim/ becomes the new root dir for nvim executable sources.
- src/libnvim/ is planned to become root dir of the neovim library.
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