test/util_allocator.h

changeset 422
afd87df80b13
child 494
6ce8cfa10a96
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/util_allocator.h	Sun Sep 26 14:41:16 2021 +0200
     1.3 @@ -0,0 +1,90 @@
     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_UTIL_ALLOCATOR_H
    1.33 +#define UCX_UTIL_ALLOCATOR_H
    1.34 +
    1.35 +#include "cx/allocator.h"
    1.36 +
    1.37 +#ifdef __cplusplus
    1.38 +extern "C" {
    1.39 +#endif
    1.40 +
    1.41 +#define CX_TESTING_ALLOCATOR_MAX_LIVE 1024
    1.42 +
    1.43 +typedef struct {
    1.44 +    /**
    1.45 +     * Total number of all allocations (malloc, calloc, realloc).
    1.46 +     * A realloc() does only count when the memory has to be moved.
    1.47 +     */
    1.48 +    int alloc_total;
    1.49 +    /**
    1.50 +     * Number of failed allocations (malloc, calloc, realloc).
    1.51 +     */
    1.52 +    int alloc_failed;
    1.53 +    /**
    1.54 +     * Total number of freed pointers.
    1.55 +     * A reallocation also counts as a free when the memory has to be moved.
    1.56 +     */
    1.57 +    int free_total;
    1.58 +    /**
    1.59 +     * Number of failed free invocations.
    1.60 +     * A free() is considered failed, if it has not been performed on tracked memory.
    1.61 +     */
    1.62 +    int free_failed;
    1.63 +    /**
    1.64 +     * Number of memory blocks that are currently live (and tracked).
    1.65 +     * The maximum number of tracked blocks is defined in #CX_TESTING_ALLOCATOR_MAX_LIVE.
    1.66 +     */
    1.67 +    int live;
    1.68 +    /**
    1.69 +     * The array of tracked memory blocks.
    1.70 +     */
    1.71 +    void *tracked[CX_TESTING_ALLOCATOR_MAX_LIVE];
    1.72 +} cx_testing_allocator_s;
    1.73 +
    1.74 +extern CxAllocator cxTestingAllocator;
    1.75 +
    1.76 +/**
    1.77 + * Resets the testing allocator information.
    1.78 + * This function SHOULD be called prior to any use of this allocator.
    1.79 + */
    1.80 +void cxTestingAllocatorReset(void);
    1.81 +
    1.82 +/**
    1.83 + * Checks whether all allocated memory is properly freed and no failed (de)allocations happened.
    1.84 + *
    1.85 + * @return true on success, false if there was any problem
    1.86 + */
    1.87 +int cxTestingAllocatorVerify(void);
    1.88 +
    1.89 +#ifdef __cplusplus
    1.90 +}; /* extern "C" */
    1.91 +#endif
    1.92 +
    1.93 +#endif /* UCX_UTIL_ALLOCATOR_H */

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