src/cx/allocator.h

changeset 391
f094a53c1178
child 393
8c0421ccbb58
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cx/allocator.h	Sun Feb 07 12:20:07 2021 +0100
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions are met:
    1.11 + *
    1.12 + *   1. Redistributions of source code must retain the above copyright
    1.13 + *      notice, this list of conditions and the following disclaimer.
    1.14 + *
    1.15 + *   2. Redistributions in binary form must reproduce the above copyright
    1.16 + *      notice, this list of conditions and the following disclaimer in the
    1.17 + *      documentation and/or other materials provided with the distribution.
    1.18 + *
    1.19 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    1.20 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.21 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.22 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    1.23 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    1.24 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    1.25 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    1.26 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    1.27 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    1.28 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.29 + * POSSIBILITY OF SUCH DAMAGE.
    1.30 + */
    1.31 +
    1.32 +#ifndef UCX_ALLOCATOR_H
    1.33 +#define UCX_ALLOCATOR_H
    1.34 +
    1.35 +#include <stdlib.h>
    1.36 +
    1.37 +typedef void* cx_allocator;
    1.38 +typedef void*(*cx_malloc_func)(cx_allocator a, size_t n);
    1.39 +typedef void*(*cx_realloc_func)(cx_allocator a, void* mem, size_t n);
    1.40 +typedef void*(*cx_calloc_func)(cx_allocator a, size_t nelem, size_t n);
    1.41 +typedef void(*cx_free_func)(cx_allocator a, void* mem);
    1.42 +
    1.43 +void* cx_malloc_stdlib(cx_allocator a, size_t n);
    1.44 +void* cx_realloc_stdlib(cx_allocator a, void* mem, size_t n);
    1.45 +void* cx_calloc_stdlib(cx_allocator a, size_t nelem, size_t n);
    1.46 +void cx_free_stdlib(cx_allocator a, void* mem);
    1.47 +
    1.48 +struct cx_allocator_s {
    1.49 +    cx_malloc_func malloc;
    1.50 +    cx_realloc_func realloc;
    1.51 +    cx_calloc_func calloc;
    1.52 +    cx_free_func free;
    1.53 +    void* data;
    1.54 +};
    1.55 +typedef struct cx_allocator_s* CxAllocator;
    1.56 +
    1.57 +extern CxAllocator cxDefaultAllocator;
    1.58 +
    1.59 +#define cxMalloc(a, n) (a)->malloc((a), n)
    1.60 +#define cxRealloc(a, mem, n) (a)->realloc((a), mem, n)
    1.61 +#define cxCalloc(a, nelem, n) (a)->calloc((a), nelem, n)
    1.62 +#define cxFree(a, mem) (a)->free((a), mem)
    1.63 +
    1.64 +#endif //UCX_ALLOCATOR_H

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