32 lines
953 B
C
32 lines
953 B
C
#include "internal.h"
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#include "hammer.h"
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#include "allocator.h"
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#include <assert.h>
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#include <malloc.h>
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// {{{ counted arrays
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counted_array_t *carray_new_sized(arena_t arena, size_t size) {
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counted_array_t *ret = arena_malloc(arena, sizeof(counted_array_t));
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assert(size > 0);
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ret->used = 0;
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ret->capacity = size;
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ret->arena = arena;
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ret->elements = arena_malloc(arena, sizeof(void*) * size);
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return ret;
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}
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counted_array_t *carray_new(arena_t arena) {
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return carray_new_sized(arena, 4);
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}
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void carray_append(counted_array_t *array, void* item) {
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if (array->used >= array->capacity) {
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void **elements = arena_malloc(array->arena, (array->capacity *= 2) * sizeof(counted_array_t*));
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for (size_t i = 0; i < array->used; i++)
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elements[i] = array->elements[i];
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for (size_t i = array->used; i < array->capacity; i++)
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elements[i] = 0;
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array->elements = elements;
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}
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array->elements[array->used++] = item;
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}
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