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f16fb099
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2013-03-15T12:11:02
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pool: Internal struct name
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14bedad9
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2013-03-14T15:08:04
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Added pool freelist struct for readability
This adds a git_pool_freelist_item struct that makes it a little
easier to follow what's going on with the pool free list block
management code. It is functionally neutral.
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0c468633
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2013-03-14T13:40:15
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Improved tree iterator internals
This updates the tree iterator internals to be more efficient.
The tree_iterator_entry objects are now kept as pointers that are
allocated from a git_pool, so that we may use git__tsort_r for
sorting (which is better than qsort, given that the tree is
likely mostly ordered already).
Those tree_iterator_entry objects now keep direct pointers to the
data they refer to instead of keeping indirect index values. This
simplifies a lot of the data structure traversal code.
This also adds bsearch to find the start item position for range-
limited tree iterators, and is more explicit about using
git_path_cmp instead of reimplementing it. The git_path_cmp
changed a bit to make it easier for tree_iterators to use it (but
it was barely being used previously, so not a big deal).
This adds a git_pool_free_array function that efficiently frees a
list of pool allocated pointers (which the tree_iterator keeps).
Also, added new tests for the git_pool free list functionality
that was not previously being tested (or used).
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71d27358
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2012-07-19T10:23:45
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Fix bug with merging diffs with null options
A diff that is created with a NULL options parameter could result
in a NULL prefix string, but diff merge was unconditionally
strdup'ing it. I added a test to replicate the issue and then a
new method that does the right thing with NULL values.
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a8df98c6
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2012-06-14T18:57:24
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Updates from comments on OS4 compatibility pull request http://github.com/libgit2/libgit2/pull/766
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6b5db63c
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2012-06-07T21:40:07
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random page size for os4
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821f6bc7
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2012-04-26T13:04:54
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Fix Win32 warnings
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da3b391c
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2012-04-18T10:57:08
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Convert revwalk to use git_pool
This removes the custom paged allocator from revwalk and
replaces it with a `git_pool`.
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2bc8fa02
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2012-04-17T10:14:24
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Implement git_pool paged memory allocator
This adds a `git_pool` object that can do simple paged memory
allocation with free for the entire pool at once. Using this,
you can replace many small allocations with large blocks that
can then cheaply be doled out in small pieces. This is best
used when you plan to free the small blocks all at once - for
example, if they represent the parsed state from a file or data
stream that are either all kept or all discarded.
There are two real patterns of usage for `git_pools`: either
for "string" allocation, where the item size is a single byte
and you end up just packing the allocations in together, or for
"fixed size" allocation where you are allocating a large object
(e.g. a `git_oid`) and you generally just allocation single
objects that can be tightly packed. Of course, you can use it
for other things, but those two cases are the easiest.
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19fa2bc1
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2012-04-17T15:12:50
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Convert attrs and diffs to use string pools
This converts the git attr related code (including ignores) and
the git diff related code (and implicitly the status code) to use
`git_pools` for storing strings. This reduces the number of small
blocks allocated dramatically.
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