Thu, 23 Nov 2023 23:35:51 +0100
fix wrong static lib name in check target
universe@571 | 1 | /* |
universe@571 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@571 | 3 | * |
universe@571 | 4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
universe@571 | 5 | * |
universe@571 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@571 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@571 | 8 | * |
universe@571 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@571 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@571 | 11 | * |
universe@571 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@571 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@571 | 14 | * documentation and/or other materials provided with the distribution. |
universe@571 | 15 | * |
universe@571 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@571 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@571 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@571 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@571 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@571 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@571 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@571 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@571 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@571 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@571 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@571 | 27 | */ |
universe@571 | 28 | |
universe@727 | 29 | #include "cx/mempool.h" |
universe@571 | 30 | #include "cx/utils.h" |
universe@571 | 31 | #include <string.h> |
universe@571 | 32 | |
universe@727 | 33 | struct cx_mempool_memory_s { |
universe@571 | 34 | /** The destructor. */ |
universe@571 | 35 | cx_destructor_func destructor; |
universe@727 | 36 | /** The actual memory. */ |
universe@727 | 37 | char c[]; |
universe@727 | 38 | }; |
universe@571 | 39 | |
universe@727 | 40 | static void *cx_mempool_malloc( |
universe@727 | 41 | void *p, |
universe@727 | 42 | size_t n |
universe@571 | 43 | ) { |
universe@727 | 44 | struct cx_mempool_s *pool = p; |
universe@727 | 45 | |
universe@727 | 46 | if (pool->size >= pool->capacity) { |
universe@727 | 47 | size_t newcap = pool->capacity - (pool->capacity % 16) + 16; |
universe@727 | 48 | struct cx_mempool_memory_s **newdata = realloc(pool->data, newcap*sizeof(struct cx_mempool_memory_s*)); |
universe@727 | 49 | if (newdata == NULL) { |
universe@727 | 50 | return NULL; |
universe@727 | 51 | } |
universe@727 | 52 | pool->data = newdata; |
universe@727 | 53 | pool->capacity = newcap; |
universe@571 | 54 | } |
universe@571 | 55 | |
universe@727 | 56 | struct cx_mempool_memory_s *mem = malloc(sizeof(cx_destructor_func) + n); |
universe@571 | 57 | if (mem == NULL) { |
universe@571 | 58 | return NULL; |
universe@571 | 59 | } |
universe@571 | 60 | |
universe@727 | 61 | mem->destructor = pool->auto_destr; |
universe@727 | 62 | pool->data[pool->size] = mem; |
universe@727 | 63 | pool->size++; |
universe@571 | 64 | |
universe@727 | 65 | return mem->c; |
universe@571 | 66 | } |
universe@571 | 67 | |
universe@727 | 68 | static void *cx_mempool_calloc( |
universe@727 | 69 | void *p, |
universe@571 | 70 | size_t nelem, |
universe@571 | 71 | size_t elsize |
universe@571 | 72 | ) { |
universe@571 | 73 | size_t msz; |
universe@571 | 74 | if (cx_szmul(nelem, elsize, &msz)) { |
universe@571 | 75 | return NULL; |
universe@571 | 76 | } |
universe@727 | 77 | void *ptr = cx_mempool_malloc(p, msz); |
universe@571 | 78 | if (ptr == NULL) { |
universe@571 | 79 | return NULL; |
universe@571 | 80 | } |
universe@571 | 81 | memset(ptr, 0, nelem * elsize); |
universe@571 | 82 | return ptr; |
universe@571 | 83 | } |
universe@571 | 84 | |
universe@727 | 85 | static void *cx_mempool_realloc( |
universe@727 | 86 | void *p, |
universe@571 | 87 | void *ptr, |
universe@571 | 88 | size_t n |
universe@571 | 89 | ) { |
universe@727 | 90 | struct cx_mempool_s *pool = p; |
universe@571 | 91 | |
universe@727 | 92 | struct cx_mempool_memory_s *mem, *newm; |
universe@727 | 93 | mem = (struct cx_mempool_memory_s*)(((char *) ptr) - sizeof(cx_destructor_func)); |
universe@727 | 94 | newm = realloc(mem, n + sizeof(cx_destructor_func)); |
universe@727 | 95 | |
universe@571 | 96 | if (newm == NULL) { |
universe@571 | 97 | return NULL; |
universe@571 | 98 | } |
universe@571 | 99 | if (mem != newm) { |
universe@727 | 100 | cx_for_n(i, pool->size) { |
universe@571 | 101 | if (pool->data[i] == mem) { |
universe@571 | 102 | pool->data[i] = newm; |
universe@727 | 103 | return ((char*)newm) + sizeof(cx_destructor_func); |
universe@571 | 104 | } |
universe@571 | 105 | } |
universe@571 | 106 | abort(); |
universe@571 | 107 | } else { |
universe@727 | 108 | return ptr; |
universe@571 | 109 | } |
universe@571 | 110 | } |
universe@571 | 111 | |
universe@727 | 112 | static void cx_mempool_free( |
universe@727 | 113 | void *p, |
universe@571 | 114 | void *ptr |
universe@571 | 115 | ) { |
universe@727 | 116 | struct cx_mempool_s *pool = p; |
universe@571 | 117 | |
universe@727 | 118 | struct cx_mempool_memory_s *mem = (struct cx_mempool_memory_s *) |
universe@571 | 119 | ((char *) ptr - sizeof(cx_destructor_func)); |
universe@727 | 120 | |
universe@727 | 121 | cx_for_n(i, pool->size) { |
universe@571 | 122 | if (mem == pool->data[i]) { |
universe@727 | 123 | if (mem->destructor) { |
universe@727 | 124 | mem->destructor(mem->c); |
universe@571 | 125 | } |
universe@572 | 126 | free(mem); |
universe@727 | 127 | size_t last_index = pool->size - 1; |
universe@571 | 128 | if (i != last_index) { |
universe@571 | 129 | pool->data[i] = pool->data[last_index]; |
universe@571 | 130 | pool->data[last_index] = NULL; |
universe@571 | 131 | } |
universe@727 | 132 | pool->size--; |
universe@571 | 133 | return; |
universe@571 | 134 | } |
universe@571 | 135 | } |
universe@571 | 136 | abort(); |
universe@571 | 137 | } |
universe@571 | 138 | |
universe@727 | 139 | void cxMempoolDestroy(CxMempool *pool) { |
universe@727 | 140 | struct cx_mempool_memory_s *mem; |
universe@727 | 141 | cx_for_n(i, pool->size) { |
universe@727 | 142 | mem = pool->data[i]; |
universe@727 | 143 | if (mem->destructor) { |
universe@727 | 144 | mem->destructor(mem->c); |
universe@571 | 145 | } |
universe@727 | 146 | free(mem); |
universe@571 | 147 | } |
universe@571 | 148 | free(pool->data); |
universe@727 | 149 | free((void*) pool->allocator); |
universe@571 | 150 | free(pool); |
universe@571 | 151 | } |
universe@571 | 152 | |
universe@727 | 153 | void cxMempoolSetDestructor( |
universe@571 | 154 | void *ptr, |
universe@571 | 155 | cx_destructor_func func |
universe@571 | 156 | ) { |
universe@571 | 157 | *(cx_destructor_func *) ((char *) ptr - sizeof(cx_destructor_func)) = func; |
universe@571 | 158 | } |
universe@571 | 159 | |
universe@727 | 160 | struct cx_mempool_foreign_mem_s { |
universe@727 | 161 | cx_destructor_func destr; |
universe@727 | 162 | void* mem; |
universe@571 | 163 | }; |
universe@571 | 164 | |
universe@727 | 165 | static void cx_mempool_destr_foreign_mem(void* ptr) { |
universe@727 | 166 | struct cx_mempool_foreign_mem_s *fm = ptr; |
universe@727 | 167 | fm->destr(fm->mem); |
universe@727 | 168 | } |
universe@727 | 169 | |
universe@727 | 170 | int cxMempoolRegister( |
universe@727 | 171 | CxMempool *pool, |
universe@727 | 172 | void *memory, |
universe@727 | 173 | cx_destructor_func destr |
universe@727 | 174 | ) { |
universe@727 | 175 | struct cx_mempool_foreign_mem_s *fm = cx_mempool_malloc( |
universe@727 | 176 | pool, |
universe@727 | 177 | sizeof(struct cx_mempool_foreign_mem_s) |
universe@727 | 178 | ); |
universe@727 | 179 | if (fm == NULL) return 1; |
universe@727 | 180 | |
universe@727 | 181 | fm->mem = memory; |
universe@727 | 182 | fm->destr = destr; |
universe@727 | 183 | *(cx_destructor_func *) ((char *) fm - sizeof(cx_destructor_func)) = cx_mempool_destr_foreign_mem; |
universe@727 | 184 | |
universe@727 | 185 | return 0; |
universe@727 | 186 | } |
universe@727 | 187 | |
universe@727 | 188 | static cx_allocator_class cx_mempool_allocator_class = { |
universe@727 | 189 | cx_mempool_malloc, |
universe@727 | 190 | cx_mempool_realloc, |
universe@727 | 191 | cx_mempool_calloc, |
universe@727 | 192 | cx_mempool_free |
universe@571 | 193 | }; |
universe@571 | 194 | |
universe@727 | 195 | CxMempool *cxMempoolCreate( |
universe@727 | 196 | size_t capacity, |
universe@727 | 197 | cx_destructor_func destr |
universe@727 | 198 | ) { |
universe@571 | 199 | size_t poolsize; |
universe@727 | 200 | if (cx_szmul(capacity, sizeof(struct cx_mempool_memory_s*), &poolsize)) { |
universe@571 | 201 | return NULL; |
universe@571 | 202 | } |
universe@571 | 203 | |
universe@727 | 204 | struct cx_mempool_s *pool = |
universe@727 | 205 | malloc(sizeof(struct cx_mempool_s)); |
universe@571 | 206 | if (pool == NULL) { |
universe@571 | 207 | return NULL; |
universe@571 | 208 | } |
universe@571 | 209 | |
universe@571 | 210 | CxAllocator *provided_allocator = malloc(sizeof(CxAllocator)); |
universe@727 | 211 | if (provided_allocator == NULL) { |
universe@571 | 212 | free(pool); |
universe@571 | 213 | return NULL; |
universe@571 | 214 | } |
universe@727 | 215 | provided_allocator->cl = &cx_mempool_allocator_class; |
universe@571 | 216 | provided_allocator->data = pool; |
universe@571 | 217 | |
universe@727 | 218 | pool->allocator = provided_allocator; |
universe@571 | 219 | |
universe@571 | 220 | pool->data = malloc(poolsize); |
universe@571 | 221 | if (pool->data == NULL) { |
universe@571 | 222 | free(provided_allocator); |
universe@571 | 223 | free(pool); |
universe@571 | 224 | return NULL; |
universe@571 | 225 | } |
universe@571 | 226 | |
universe@727 | 227 | pool->size = 0; |
universe@727 | 228 | pool->capacity = capacity; |
universe@727 | 229 | pool->auto_destr = destr; |
universe@571 | 230 | |
universe@571 | 231 | return (CxMempool *) pool; |
universe@571 | 232 | } |