Mercurial > molko
annotate libmlk-core/mlk/core/alloc.h @ 442:9c3b3935f0aa
core: rework allocations
author | David Demelier <markand@malikania.fr> |
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date | Thu, 03 Nov 2022 21:09:25 +0100 |
parents | 25a56ca53ac2 |
children | 773a082f0b91 |
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1 /* |
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2 * alloc.h -- custom allocators |
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3 * |
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4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #ifndef MLK_CORE_ALLOC_H |
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20 #define MLK_CORE_ALLOC_H |
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21 |
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22 #include <stddef.h> |
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23 |
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24 #include "core.h" |
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25 |
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26 /* Custom allocator. */ |
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27 struct mlk_alloc_funcs { |
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28 void *(*alloc)(size_t); |
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29 void *(*realloc)(void *, size_t); |
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30 void (*free)(void *); |
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31 }; |
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32 |
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33 /* Minimalist growable array for loading data. */ |
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34 struct mlk_alloc_pool { |
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35 void *data; |
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36 size_t elemsize; |
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37 size_t size; |
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38 size_t capacity; |
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39 void (*finalizer)(void *); |
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40 }; |
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41 |
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42 CORE_BEGIN_DECLS |
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43 |
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44 /* allocator functions. */ |
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45 void |
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46 mlk_alloc_set(const struct mlk_alloc_funcs *); |
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47 |
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48 void * |
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49 mlk_alloc_new(size_t, size_t); |
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50 |
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51 void * |
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52 mlk_alloc_new0(size_t, size_t); |
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53 |
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54 void * |
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55 mlk_alloc_renew(void *, size_t); |
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56 |
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57 void * |
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58 mlk_alloc_renew0(void *, size_t); |
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59 |
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60 void * |
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61 mlk_alloc_dup(const void *, size_t, size_t); |
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62 |
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63 char * |
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64 mlk_alloc_sdup(const char *); |
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66 char * |
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67 mlk_alloc_sdupf(const char *, ...); |
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69 void |
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70 mlk_alloc_free(void *); |
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71 |
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72 /* alloc_pool functions. */ |
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73 void |
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74 mlk_alloc_pool_init(struct mlk_alloc_pool *, size_t, size_t , void (*)(void *)); |
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75 |
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76 void * |
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77 mlk_alloc_pool_new(struct mlk_alloc_pool *); |
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79 void * |
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80 mlk_alloc_pool_get(const struct mlk_alloc_pool *, size_t); |
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81 |
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82 void * |
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83 mlk_alloc_pool_shrink(struct mlk_alloc_pool *); |
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85 void |
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86 mlk_alloc_pool_finish(struct mlk_alloc_pool *); |
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87 |
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88 CORE_END_DECLS |
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89 |
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90 #endif /* !MLK_CORE_ALLOC_H */ |