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ac3d33df JK |
1 | /* |
2 | * Copyright (C) the libgit2 contributors. All rights reserved. | |
3 | * | |
4 | * This file is part of libgit2, distributed under the GNU GPL v2 with | |
5 | * a Linking Exception. For full terms see the included COPYING file. | |
6 | */ | |
7 | ||
8 | #include "alloc.h" | |
9 | ||
10 | #if defined(GIT_MSVC_CRTDBG) | |
11 | # include "win32/w32_crtdbg_stacktrace.h" | |
12 | #else | |
13 | # include "stdalloc.h" | |
14 | #endif | |
15 | ||
16 | git_allocator git__allocator; | |
17 | ||
18 | static int setup_default_allocator(void) | |
19 | { | |
20 | #if defined(GIT_MSVC_CRTDBG) | |
21 | return git_win32_crtdbg_init_allocator(&git__allocator); | |
22 | #else | |
23 | return git_stdalloc_init_allocator(&git__allocator); | |
24 | #endif | |
25 | } | |
26 | ||
27 | int git_allocator_global_init(void) | |
28 | { | |
29 | /* | |
30 | * We don't want to overwrite any allocator which has been set before | |
31 | * the init function is called. | |
32 | */ | |
33 | if (git__allocator.gmalloc != NULL) | |
34 | return 0; | |
35 | ||
36 | return setup_default_allocator(); | |
37 | } | |
38 | ||
39 | int git_allocator_setup(git_allocator *allocator) | |
40 | { | |
41 | if (!allocator) | |
42 | return setup_default_allocator(); | |
43 | ||
44 | memcpy(&git__allocator, allocator, sizeof(*allocator)); | |
45 | return 0; | |
46 | } | |
47 | ||
48 | #if !defined(GIT_MSVC_CRTDBG) | |
49 | int git_win32_crtdbg_init_allocator(git_allocator *allocator) | |
50 | { | |
51 | GIT_UNUSED(allocator); | |
52 | git_error_set(GIT_EINVALID, "crtdbg memory allocator not available"); | |
53 | return -1; | |
54 | } | |
55 | #endif |