47 lines
901 B
C
47 lines
901 B
C
#include "vector.h"
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#include <stdlib.h>
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#include <string.h>
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bool CreateVector(struct Vector *vec, usize value_size)
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{
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void *array = malloc(16 * value_size);
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if (array == nullptr)
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return false;
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vec->value_size = value_size;
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vec->len = 0;
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vec->capacity = 16;
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vec->array = array;
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return true;
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}
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void FreeVector(struct Vector *vec)
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{
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free(vec->array);
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}
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void *VectorGet(struct Vector *vec, usize i)
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{
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return (u8 *)vec->array + i * vec->value_size;
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}
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bool VectorAdd(struct Vector *vec, void *item)
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{
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if (vec->len == vec->capacity) {
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usize new_capacity = vec->capacity * 2;
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void *new_array = realloc(vec->array, new_capacity * vec->value_size);
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if (new_array == nullptr)
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return false;
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vec->capacity = new_capacity;
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}
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memcpy(VectorGet(vec, vec->len++), item, vec->value_size);
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return true;
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} |