src/allocator.c

Sun, 07 Feb 2021 12:20:07 +0100

author
Mike Becker <universe@uap-core.de>
date
Sun, 07 Feb 2021 12:20:07 +0100
changeset 391
f094a53c1178
child 394
80c31ebd66c1
permissions
-rw-r--r--

adds allocator interface and default implementation

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

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