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08f28ff5
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2020-07-10T08:57:05
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alloc: set up an allocator that fails before library init
We require the library to be initialized with git_libgit2_init before it
is functional. However, if a user tries to uses the library without
doing so - as they might when getting started with the library for the
first time - we will likely crash.
This commit introduces some guard rails - now instead of having _no_
allocator by default, we'll have an allocator that always fails, and
never tries to set an error message (since the thread-local state is
set up by git_libgit2_init). We've modified the error retrieval
function to (try to) ensure that the library has been initialized before
getting the thread-local error message.
(Unfortunately, we cannot determine if the thread local storage has
actually been configured, this does require initialization by
git_libgit2_init. But a naive attempt should be good enough for most
cases.)
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8aed4629
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2020-07-12T18:43:22
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cmake: rename MSVC_CRTDBG to WIN32_LEAKCHECK
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51825c4f
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2020-07-12T18:18:12
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alloc: rename the win32 leakcheck allocator
The win32 leakchecking system is now named win32_leakcheck. Update the
allocator to match.
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cb4b3bdf
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2020-07-12T17:49:42
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win32: "crtdbg" is now "leakcheck"
msvc crtdbg is a mouthfull that is not particularly indicative of what
it does. Let's rename it to "win32 leakcheck".
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521aa8c1
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2020-05-12T13:21:26
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win32: teach the allocator to deal with crtdbg
Move the MSVC C runtime debugging bits into the allocator's global init
function.
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765ff6e0
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2019-02-21T12:35:48
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allocators: make crtdbg allocator reuse its own realloc
In commit 6e0dfc6ff (Make stdalloc__reallocarray call
stdalloc__realloc, 2019-02-16), we have changed the stdalloc
allocator to reuse `stdalloc__realloc` to implement
`stdalloc__reallocarray`. This commit is making the same change
for the Windows-specific crtdbg allocator to avoid code
duplication.
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48727e5d
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2019-02-21T12:27:42
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allocators: extract crtdbg allocator into its own file
The Windows-specific crtdbg allocator is currently mixed into the
crtdbg stacktracing compilation unit, making it harder to find
than necessary. Extract it and move it into the new "allocators/"
subdirectory to improve discoverability.
This change means that the crtdbg compilation unit is now
compiled unconditionally, whereas it has previously only been
compiled on Windows platforms. Thus we now have additional guards
around the code so that it will only be compiled if
GIT_MSVC_CRTDBG is defined. This also allows us to move over the
fallback-implementation of `git_win32_crtdbg_init_allocator` into
the same compilation unit.
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b63396b7
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2019-02-21T12:13:59
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allocators: move standard allocator into subdirectory
Right now, our two allocator implementations are scattered around
the tree in "stdalloc.h" and "win32/w32_crtdbg_stacktrace.h".
Start grouping them together in a single directory "allocators/",
similar to how e.g. our streams are organized.
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