ucx: src/cx/allocator.h@cfc1193b1e65

     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 #ifndef UCX_ALLOCATOR_H

    30 #define UCX_ALLOCATOR_H

    32 #include <stdlib.h>

    34 typedef void *(*cx_malloc_func)(void *data, size_t n);

    36 typedef void *(*cx_realloc_func)(void *data, void *mem, size_t n);

    38 typedef void *(*cx_calloc_func)(void *data, size_t nelem, size_t n);

    40 typedef void(*cx_free_func)(void *data, void *mem);

    42 typedef struct {

    43     cx_malloc_func malloc;

    44     cx_realloc_func realloc;

    45     cx_calloc_func calloc;

    46     cx_free_func free;

    47 } cx_allocator_class;

    49 extern cx_allocator_class cx_default_allocator_class;

    51 struct cx_allocator_s {

    52     cx_allocator_class *cl;

    53     void *data;

    54 };

    55 typedef struct cx_allocator_s *CxAllocator;

    57 extern CxAllocator cxDefaultAllocator;

    59 void *cxMalloc(CxAllocator allocator, size_t n);

    61 void *cxRealloc(CxAllocator allocator, void *mem, size_t n);

    63 void *cxCalloc(CxAllocator allocator, size_t nelem, size_t n);

    65 void cxFree(CxAllocator allocator, void *mem);

    67 #endif /* UCX_ALLOCATOR_H */

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