ucx: src/cx/collection.h@b0ebb3d88407 (annotated)

src/cx/collection.h@b0ebb3d88407 (annotated)

src/cx/collection.h

Sun, 31 Dec 2023 14:29:46 +0100

author: Mike Becker <universe@uap-core.de>
date: Sun, 31 Dec 2023 14:29:46 +0100
changeset 786: b0ebb3d88407
parent 759: 475335643af4
permissions: -rw-r--r--

declare cx_compare_func in compare.h - fixes #344

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2023 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.
  */
 /**
  * \file collection.h
  * \brief Common definitions for various collection implementations.
  * \author Mike Becker
  * \author Olaf Wintermann
  * \copyright 2-Clause BSD License
  */
 #ifndef UCX_COLLECTION_H
 #define UCX_COLLECTION_H
 #include "allocator.h"
 #include "iterator.h"
 #ifdef __cplusplus
 extern "C" {
 #endif
 /**
  * Special constant used for creating collections that are storing pointers.
  */
 #define CX_STORE_POINTERS 0
 #ifndef CX_COMPARE_FUNC_DEFINED
 #define CX_COMPARE_FUNC_DEFINED
 /**
  * A comparator function comparing two collection elements.
  */
 typedef int(*cx_compare_func)(
         void const *left,
         void const *right
 );
 #endif // CX_COMPARE_FUNC_DEFINED
 /**
  * Use this macro to declare common members for a collection structure.
  */
 #define CX_COLLECTION_MEMBERS \
     /** \
      * The allocator to use. \
      */ \
     CxAllocator const *allocator; \
     /** \
      * The comparator function for the elements. \
      */ \
     cx_compare_func cmpfunc; \
     /** \
      * The size of each element. \
      */ \
     size_t item_size; \
     /** \
      * The number of currently stored elements. \
      */ \
     size_t size; \
     /** \
      * An optional simple destructor for the collection's elements. \
      * \
      * @attention Read the documentation of the particular collection implementation \
      * whether this destructor shall only destroy the contents or also free the memory. \
      */ \
     cx_destructor_func simple_destructor; \
     /** \
      * An optional advanced destructor for the collection's elements. \
      * \
      * @attention Read the documentation of the particular collection implementation \
      * whether this destructor shall only destroy the contents or also free the memory. \
      */ \
     cx_destructor_func2 advanced_destructor; \
     /** \
      * The pointer to additional data that is passed to the advanced destructor. \
      */ \
     void *destructor_data; \
     /** \
      * Indicates if this instance of a collection is supposed to store pointers \
      * instead of copies of the actual objects. \
      */ \
     bool store_pointer;
 /**
  * Invokes the simple destructor function for a specific element.
  *
  * Usually only used by collection implementations. There should be no need
  * to invoke this macro manually.
  *
  * @param c the collection
  * @param e the element
  */
 #define cx_invoke_simple_destructor(c, e) \
     (c)->simple_destructor((c)->store_pointer ? (*((void **) (e))) : (e))
 /**
  * Invokes the advanced destructor function for a specific element.
  *
  * Usually only used by collection implementations. There should be no need
  * to invoke this macro manually.
  *
  * @param c the collection
  * @param e the element
  */
 #define cx_invoke_advanced_destructor(c, e) \
     (c)->advanced_destructor((c)->destructor_data, \
     (c)->store_pointer ? (*((void **) (e))) : (e))
 /**
  * Invokes all available destructor functions for a specific element.
  *
  * Usually only used by collection implementations. There should be no need
  * to invoke this macro manually.
  *
  * @param c the collection
  * @param e the element
  */
 #define cx_invoke_destructor(c, e) \
     if ((c)->simple_destructor) cx_invoke_simple_destructor(c,e); \
     if ((c)->advanced_destructor) cx_invoke_advanced_destructor(c,e)
 #ifdef __cplusplus
 } // extern "C"
 #endif
 #endif // UCX_COLLECTION_H

Mercurial > hg > ucx / annotate

src/cx/collection.h@b0ebb3d88407 (annotated)

src/cx/collection.h