66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Vector is an automatic-resizing array.
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typedef struct {
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void * data; // actual data buffer
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uintptr_t size, cap; // size of the data and buffer, in bytes
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uintptr_t objectSize; // size of the object
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} vector_Vector;
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// Create allocates a new vector.
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vector_Vector *vector_Create(uintptr_t objectSize);
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// Destroy properly frees all data related to the structure, and itself.
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void vector_Destroy(vector_Vector *vec);
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// Push pushes an object at the back of the vector.
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//
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// If data is NULL, the data is zeroed.
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//
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// Returns a pointer to data.
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void *vector_Push(vector_Vector *vec, const void *data);
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// Append pushes multiple objects at the back of the buffer.
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//
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// If data is NULL, the data is zeroed.
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void vector_Append(vector_Vector *vec, const void *data, uintptr_t n);
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// Resize resizes the vector to a new number of elements.
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void vector_Resize(vector_Vector *vec, uintptr_t size);
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// Size returns the number of objects in a vector.
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uintptr_t vector_Size(vector_Vector *vec);
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// Clear clears a vector, without resizing the buffer.
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void vector_Clear(vector_Vector *vec);
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// ShrinkBuffer shrinks the internal buffer to exactly the size of the elements.
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void vector_ShrinkBuffer(vector_Vector *vec);
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// Capacity returns the size of the internal buffer.
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uintptr_t vector_Capacity(vector_Vector *vec);
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// Reserve reallocates the size of the buffer to CAP objects,
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// if the current buffer is smaller.
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void vector_Reserve(vector_Vector *vec, uintptr_t cap);
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// At returns the i-th object of the vector.
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//
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// No boundary test is performed.
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void *vector_At(vector_Vector *vec, uintptr_t i);
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// Data returns the data buffer.
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void *vector_Data(vector_Vector *vec);
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#ifdef __cplusplus
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}
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#endif
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