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[common] vector: add new data structure

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This commit is contained in:
Quantum
2021-08-22 03:38:13 -04:00
committed by Geoffrey McRae
parent 0b70aa49d0
commit 24e0343156
3 changed files with 156 additions and 0 deletions
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54
common/include/common/vector.h Normal file
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/**
* Looking Glass
* Copyright © 2017-2021 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
typedef struct Vector
{
size_t itemSize;
size_t size;
size_t capacity;
void * data;
}
Vector;
Vector * vector_create(size_t itemSize, size_t capacity);
void vector_free(Vector * vector);
bool vector_push(Vector * vector, void * item);
void vector_pop(Vector * vector);
size_t vector_size(Vector * vector);
void * vector_data(Vector * vector);
void vector_at(Vector * vector, size_t index, void * data);
void * vector_ptrTo(Vector * vector, size_t index);
#define vector_forEach(name, vector) \
for (char * vecIterCurrent = (vector)->data, \
* vecIterEnd = vecIterCurrent + (vector)->size * (vector)->itemSize; \
vecIterCurrent < vecIterEnd ? name = *(__typeof__(name) *)vecIterCurrent, true : false; \
vecIterCurrent += (vector)->itemSize)
#define vector_forEachRef(name, vector) \
for (char * vecIterCurrent = (vector)->data, \
* vecIterEnd = vecIterCurrent + (vector)->size * (vector)->itemSize; \
vecIterCurrent < vecIterEnd ? name = (void *)vecIterCurrent, true : false; \
vecIterCurrent += (vector)->itemSize)