ucx: src/list.c@79d14e821b3a

     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 #include "cx/list.h"

    31 CxList *cxListDestroy(CxList *list) {

    32     if (list->content_destructor == NULL) {

    33         if (list->autofree_contents) {

    34             CxIterator iter = cxListBegin(list);

    35             cx_foreach(void*, elem, iter) {

    36                 cxFree(list->allocator, elem);

    37             }

    38         }

    39     } else {

    40         // avoid checking this condition every loop iteration

    41         if (list->autofree_contents) {

    42             CxIterator iter = cxListBegin(list);

    43             cx_foreach(void*, elem, iter) {

    44                 cxFree(list->allocator, list->content_destructor(elem));

    45             }

    46         } else {

    47             CxIterator iter = cxListBegin(list);

    48             cx_foreach(void*, elem, iter) {

    49                 elem = list->content_destructor(elem);

    50             }

    51         }

    52     }

    53     if (list->autofree) {

    54         cxFree(list->allocator, list->list_destructor(list));

    55         return NULL;

    56     } else {

    57         return list->list_destructor(list);

    58     }

    59 }

    61 void cxListMemoryMgmt(

    62         CxList *list,

    63         cx_destructor_func list_destructor,

    64         cx_destructor_func content_destructor,

    65         bool list_autofree,

    66         bool content_autofree

    67 ) {

    68     if (list_destructor != NULL) list->list_destructor = list_destructor;

    69     list->content_destructor = content_destructor;

    70     list->autofree = list_autofree;

    71     list->autofree_contents = content_autofree;

    72 }

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