Mercurial > molko
annotate src/libmlk-core/core/alloc.h @ 347:0969931b98e4
core: start removing POSIX APIs
author | David Demelier <markand@malikania.fr> |
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date | Tue, 19 Oct 2021 13:23:30 +0200 |
parents | 8f9937403749 |
children | 19782ea1cf4a |
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1 /* |
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2 * alloc.h -- custom allocators |
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3 * |
314 | 4 * Copyright (c) 2020-2021 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 MOLKO_CORE_ALLOC_H |
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20 #define MOLKO_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 #include "util.h" |
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26 |
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27 /* Must be power of 2. */ |
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28 #define ALLOC_POOL_INIT_DEFAULT (32) |
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29 |
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30 /* Custom allocator. */ |
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31 struct alloc_funcs { |
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32 void *(*alloc)(size_t); |
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33 void *(*realloc)(void *, size_t); |
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34 void (*free)(void *); |
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35 }; |
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36 |
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37 /* Minimalist growable array for loading data. */ |
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38 struct alloc_pool { |
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39 void *data; |
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40 size_t elemsize; |
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41 size_t size; |
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42 size_t capacity; |
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43 void (*finalizer)(void *); |
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44 }; |
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45 |
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46 CORE_BEGIN_DECLS |
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47 |
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48 /* allocator functions. */ |
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49 void |
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50 alloc_set(const struct alloc_funcs *); |
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51 |
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52 void * |
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53 alloc_new(size_t); |
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54 |
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55 void * |
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56 alloc_new0(size_t); |
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57 |
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58 void * |
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59 alloc_array(size_t, size_t); |
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60 |
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61 void * |
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62 alloc_array0(size_t, size_t); |
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63 |
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64 void * |
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65 alloc_renew(void *, size_t); |
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66 |
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67 void * |
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68 alloc_rearray(void *, size_t, size_t); |
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69 |
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70 void * |
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71 alloc_rearray0(void *, size_t, size_t, size_t); |
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72 |
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73 void * |
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74 alloc_dup(const void *, size_t); |
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75 |
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76 char * |
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77 alloc_sdup(const char *); |
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78 |
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79 /* alloc_pool functions. */ |
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80 int |
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81 alloc_pool_init(struct alloc_pool *, size_t , void (*)(void *)); |
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82 |
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83 void * |
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84 alloc_pool_new(struct alloc_pool *); |
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85 |
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86 void * |
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87 alloc_pool_get(const struct alloc_pool *, size_t); |
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88 |
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89 void |
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90 alloc_pool_finish(struct alloc_pool *); |
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91 |
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92 CORE_END_DECLS |
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93 |
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94 #endif /* !MOLKO_CORE_ALLOC_H */ |