circuitpython/py/sequence.c

26 lines
623 B
C

#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "map.h"
#include "runtime0.h"
#include "runtime.h"
// Helpers for sequence types
// Implements backend of sequence * integer operation. Assumes elements are
// memory-adjacent in sequence.
void mp_seq_multiply(const void *items, uint item_sz, uint len, uint times, void *dest) {
for (int i = 0; i < times; i++) {
uint copy_sz = item_sz * len;
memcpy(dest, items, copy_sz);
dest = (char*)dest + copy_sz;
}
}