src/cx/allocator.h

Sun, 07 Feb 2021 16:24:41 +0100

author
Mike Becker <universe@uap-core.de>
date
Sun, 07 Feb 2021 16:24:41 +0100
changeset 394
80c31ebd66c1
parent 393
8c0421ccbb58
child 396
3539dd99ab92
permissions
-rw-r--r--

high level allocator functions should be real functions, not macros

universe@391 1 /*
universe@391 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@391 3 *
universe@391 4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
universe@391 5 *
universe@391 6 * Redistribution and use in source and binary forms, with or without
universe@391 7 * modification, are permitted provided that the following conditions are met:
universe@391 8 *
universe@391 9 * 1. Redistributions of source code must retain the above copyright
universe@391 10 * notice, this list of conditions and the following disclaimer.
universe@391 11 *
universe@391 12 * 2. Redistributions in binary form must reproduce the above copyright
universe@391 13 * notice, this list of conditions and the following disclaimer in the
universe@391 14 * documentation and/or other materials provided with the distribution.
universe@391 15 *
universe@391 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@391 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@391 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@391 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@391 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@391 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@391 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@391 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@391 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@391 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@391 26 * POSSIBILITY OF SUCH DAMAGE.
universe@391 27 */
universe@391 28
universe@391 29 #ifndef UCX_ALLOCATOR_H
universe@391 30 #define UCX_ALLOCATOR_H
universe@391 31
universe@391 32 #include <stdlib.h>
universe@391 33
universe@394 34 /* LOW LEVEL API */
universe@394 35
universe@391 36 typedef void* cx_allocator;
universe@391 37 typedef void*(*cx_malloc_func)(cx_allocator a, size_t n);
universe@391 38 typedef void*(*cx_realloc_func)(cx_allocator a, void* mem, size_t n);
universe@391 39 typedef void*(*cx_calloc_func)(cx_allocator a, size_t nelem, size_t n);
universe@391 40 typedef void(*cx_free_func)(cx_allocator a, void* mem);
universe@391 41
universe@391 42 void* cx_malloc_stdlib(cx_allocator a, size_t n);
universe@391 43 void* cx_realloc_stdlib(cx_allocator a, void* mem, size_t n);
universe@391 44 void* cx_calloc_stdlib(cx_allocator a, size_t nelem, size_t n);
universe@391 45 void cx_free_stdlib(cx_allocator a, void* mem);
universe@391 46
universe@394 47 struct cx_allocator_class {
universe@391 48 cx_malloc_func malloc;
universe@391 49 cx_realloc_func realloc;
universe@391 50 cx_calloc_func calloc;
universe@391 51 cx_free_func free;
universe@394 52 };
universe@394 53
universe@394 54 /* HIGH LEVEL API */
universe@394 55
universe@394 56 struct cx_allocator_s {
universe@394 57 struct cx_allocator_class allocatorClass;
universe@391 58 void* data;
universe@391 59 };
universe@391 60 typedef struct cx_allocator_s* CxAllocator;
universe@391 61
universe@391 62 extern CxAllocator cxDefaultAllocator;
universe@391 63
universe@394 64 void* cxMalloc(CxAllocator allocator, size_t n);
universe@394 65 void* cxRealloc(CxAllocator allocator, void* mem, size_t n);
universe@394 66 void* cxCalloc(CxAllocator allocator, size_t nelem, size_t n);
universe@394 67 void cxFree(CxAllocator allocator, void* mem);
universe@391 68
universe@393 69 #endif /* UCX_ALLOCATOR_H */

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