axmol/external/chipmunk/src/cpArray.c

125 lines
2.7 KiB
C

/* Copyright (c) 2007 Scott Lembcke
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <string.h>
#include "chipmunk_private.h"
cpArray *
cpArrayNew(int size)
{
cpArray *arr = (cpArray *)cpcalloc(1, sizeof(cpArray));
arr->num = 0;
arr->max = (size ? size : 4);
arr->arr = (void **)cpcalloc(arr->max, sizeof(void**));
return arr;
}
void
cpArrayFree(cpArray *arr)
{
if(arr){
cpfree(arr->arr);
arr->arr = NULL;
cpfree(arr);
}
}
void
cpArrayPush(cpArray *arr, void *object)
{
if(arr->num == arr->max){
arr->max *= 2;
arr->arr = (void **)cprealloc(arr->arr, arr->max*sizeof(void**));
}
arr->arr[arr->num] = object;
arr->num++;
}
void *
cpArrayPop(cpArray *arr)
{
arr->num--;
void *value = arr->arr[arr->num];
arr->arr[arr->num] = NULL;
return value;
}
//static void
//cpArrayDeleteIndex(cpArray *arr, int idx)
//{
// arr->num--;
//
// arr->arr[idx] = arr->arr[arr->num];
// arr->arr[arr->num] = NULL;
//}
void
cpArrayDeleteObj(cpArray *arr, void *obj)
{
for(int i=0; i<arr->num; i++){
if(arr->arr[i] == obj){
arr->num--;
arr->arr[i] = arr->arr[arr->num];
arr->arr[arr->num] = NULL;
return;
}
}
}
//void
//cpArrayAppend(cpArray *arr, cpArray *other)
//{
// void *tail = &arr->arr[arr->num];
//
// arr->num += other->num;
// if(arr->num >= arr->max){
// arr->max = arr->num;
// arr->arr = (void **)cprealloc(arr->arr, arr->max*sizeof(void**));
// }
//
// memcpy(tail, other->arr, other->num*sizeof(void**));
//}
void
cpArrayFreeEach(cpArray *arr, void (freeFunc)(void*))
{
for(int i=0; i<arr->num; i++) freeFunc(arr->arr[i]);
}
cpBool
cpArrayContains(cpArray *arr, void *ptr)
{
for(int i=0; i<arr->num; i++)
if(arr->arr[i] == ptr) return cpTrue;
return cpFalse;
}