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#include "array_ref.h"
#include <string.h>
_Bool ar_equal_bytes(ptrdiff_t left_element_size, ptrdiff_t left_size,
void const *left_data,
ptrdiff_t right_element_size,
ptrdiff_t right_size, void const *right_data) {
if (left_element_size != right_element_size)
return 0;
if (left_size != right_size)
return 0;
for (ptrdiff_t i = 0; i < left_size; i++)
if (memcmp((char const *) left_data + i * left_element_size,
(char const *) right_data + i * left_element_size,
left_element_size) != 0)
return 0;
return 1;
}
int ar_compare(ptrdiff_t left_element_size, ptrdiff_t left_size,
void const *left_data, ptrdiff_t right_element_size,
ptrdiff_t right_size, void const *right_data,
ar_compare_fn compare) {
if (left_element_size < right_element_size)
return -1;
if (left_element_size > right_element_size)
return 1;
for (ptrdiff_t i = 0; i < left_size && i < right_size; i++) {
int const c = compare(
(char const *) left_data + i * left_element_size,
(char const *) right_data + i * left_element_size);
if (c != 0)
return c;
}
if (left_size < right_size)
return -1;
if (left_size > right_size)
return 1;
return 0;
}
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