102 lines
2.3 KiB
C
Executable file
102 lines
2.3 KiB
C
Executable file
/* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <string.h>
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#include "chipmunk/chipmunk_private.h"
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cpArray *
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cpArrayNew(int size)
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{
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cpArray *arr = (cpArray *)cpcalloc(1, sizeof(cpArray));
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arr->num = 0;
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arr->max = (size ? size : 4);
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arr->arr = (void **)cpcalloc(arr->max, sizeof(void*));
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return arr;
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}
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void
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cpArrayFree(cpArray *arr)
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{
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if(arr){
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cpfree(arr->arr);
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arr->arr = NULL;
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cpfree(arr);
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}
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}
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void
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cpArrayPush(cpArray *arr, void *object)
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{
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if(arr->num == arr->max){
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arr->max = 3*(arr->max + 1)/2;
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arr->arr = (void **)cprealloc(arr->arr, arr->max*sizeof(void*));
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}
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arr->arr[arr->num] = object;
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arr->num++;
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}
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void *
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cpArrayPop(cpArray *arr)
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{
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arr->num--;
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void *value = arr->arr[arr->num];
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arr->arr[arr->num] = NULL;
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return value;
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}
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void
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cpArrayDeleteObj(cpArray *arr, void *obj)
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{
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for(int i=0; i<arr->num; i++){
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if(arr->arr[i] == obj){
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arr->num--;
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arr->arr[i] = arr->arr[arr->num];
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arr->arr[arr->num] = NULL;
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return;
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}
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}
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}
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void
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cpArrayFreeEach(cpArray *arr, void (freeFunc)(void*))
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{
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for(int i=0; i<arr->num; i++) freeFunc(arr->arr[i]);
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}
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cpBool
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cpArrayContains(cpArray *arr, void *ptr)
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{
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for(int i=0; i<arr->num; i++)
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if(arr->arr[i] == ptr) return cpTrue;
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return cpFalse;
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}
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