Mercurial > molko
annotate libmlk-core/mlk/core/alloc.h @ 438:25a56ca53ac2
core: update mlk-alloc module
author | David Demelier <markand@malikania.fr> |
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date | Mon, 17 Oct 2022 14:22:07 +0200 |
parents | 862b15c3a3ae |
children | 9c3b3935f0aa |
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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 /* Must be power of 2. */ |
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27 #define MLK_ALLOC_POOL_INIT_DEFAULT (32) |
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28 |
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29 /* Custom allocator. */ |
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30 struct mlk_alloc_funcs { |
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31 void *(*alloc)(size_t); |
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32 void *(*realloc)(void *, size_t); |
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33 void (*free)(void *); |
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34 }; |
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35 |
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36 /* Minimalist growable array for loading data. */ |
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37 struct mlk_alloc_pool { |
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38 void *data; |
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39 size_t elemsize; |
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40 size_t size; |
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41 size_t capacity; |
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42 void (*finalizer)(void *); |
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43 }; |
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44 |
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45 CORE_BEGIN_DECLS |
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46 |
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47 /* allocator functions. */ |
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48 void |
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49 mlk_alloc_set(const struct mlk_alloc_funcs *); |
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50 |
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51 void * |
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52 mlk_alloc_new(size_t); |
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53 |
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54 void * |
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55 mlk_alloc_new0(size_t); |
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56 |
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57 void * |
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58 mlk_alloc_array(size_t, size_t); |
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59 |
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60 void * |
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61 mlk_alloc_array0(size_t, size_t); |
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62 |
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63 void * |
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64 mlk_alloc_renew(void *, size_t); |
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65 |
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66 void * |
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67 mlk_alloc_rearray(void *, size_t, size_t); |
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68 |
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69 void * |
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70 mlk_alloc_rearray0(void *, size_t, size_t, size_t); |
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71 |
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72 void * |
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73 mlk_alloc_dup(const void *, size_t); |
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74 |
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75 char * |
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76 mlk_alloc_sdup(const char *); |
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77 |
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78 char * |
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79 mlk_alloc_sdupf(const char *, ...); |
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80 |
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81 void |
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82 mlk_alloc_free(void *); |
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83 |
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84 /* alloc_pool functions. */ |
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85 void |
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86 mlk_alloc_pool_init(struct mlk_alloc_pool *, size_t , void (*)(void *)); |
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87 |
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88 void * |
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89 mlk_alloc_pool_new(struct mlk_alloc_pool *); |
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91 void * |
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92 mlk_alloc_pool_get(const struct mlk_alloc_pool *, size_t); |
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94 void * |
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95 mlk_alloc_pool_shrink(struct mlk_alloc_pool *); |
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97 void |
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98 mlk_alloc_pool_finish(struct mlk_alloc_pool *); |
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99 |
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100 CORE_END_DECLS |
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101 |
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102 #endif /* !MLK_CORE_ALLOC_H */ |