Sun, 07 Feb 2021 21:14:39 +0100
use C99 flexible array to mark the node's payload
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef UCX_ALLOCATOR_H #define UCX_ALLOCATOR_H #include <stdlib.h> typedef void *(*cx_malloc_func)(void *data, size_t n); typedef void *(*cx_realloc_func)(void *data, void *mem, size_t n); typedef void *(*cx_calloc_func)(void *data, size_t nelem, size_t n); typedef void(*cx_free_func)(void *data, void *mem); typedef struct { cx_malloc_func malloc; cx_realloc_func realloc; cx_calloc_func calloc; cx_free_func free; } cx_allocator_class; extern cx_allocator_class cx_default_allocator_class; struct cx_allocator_s { cx_allocator_class *cl; void *data; }; typedef struct cx_allocator_s *CxAllocator; extern CxAllocator cxDefaultAllocator; void *cxMalloc(CxAllocator allocator, size_t n); void *cxRealloc(CxAllocator allocator, void *mem, size_t n); void *cxCalloc(CxAllocator allocator, size_t nelem, size_t n); void cxFree(CxAllocator allocator, void *mem); #endif /* UCX_ALLOCATOR_H */