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#ifndef Py_INTERNAL_C_ARRAY_H
#define Py_INTERNAL_C_ARRAY_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
/* Utility for a number of growing arrays */
typedef struct {
void *array; /* pointer to the array */
int allocated_entries; /* pointer to the capacity of the array */
size_t item_size; /* size of each element */
int initial_num_entries; /* initial allocation size */
} _Py_c_array_t;
int _Py_CArray_Init(_Py_c_array_t* array, int item_size, int initial_num_entries);
void _Py_CArray_Fini(_Py_c_array_t* array);
/* If idx is out of bounds:
* If arr->array is NULL, allocate arr->initial_num_entries slots.
* Otherwise, double its size.
*
* Return 0 if successful and -1 (with exception set) otherwise.
*/
int _Py_CArray_EnsureCapacity(_Py_c_array_t *c_array, int idx);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_C_ARRAY_H */
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