diff options
Diffstat (limited to 'py')
| -rw-r--r-- | py/obj.h | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -992,17 +992,17 @@ bool mp_seq_cmp_objs(mp_uint_t op, const mp_obj_t *items1, size_t len1, const mp mp_obj_t mp_seq_index_obj(const mp_obj_t *items, size_t len, size_t n_args, const mp_obj_t *args); mp_obj_t mp_seq_count_obj(const mp_obj_t *items, size_t len, mp_obj_t value); mp_obj_t mp_seq_extract_slice(size_t len, const mp_obj_t *seq, mp_bound_slice_t *indexes); + // Helper to clear stale pointers from allocated, but unused memory, to preclude GC problems #define mp_seq_clear(start, len, alloc_len, item_sz) memset((byte *)(start) + (len) * (item_sz), 0, ((alloc_len) - (len)) * (item_sz)) + +// Note: dest and slice regions may overlap #define mp_seq_replace_slice_no_grow(dest, dest_len, beg, end, slice, slice_len, item_sz) \ - /*printf("memcpy(%p, %p, %d)\n", dest + beg, slice, slice_len * (item_sz));*/ \ - memcpy(((char *)dest) + (beg) * (item_sz), slice, slice_len * (item_sz)); \ - /*printf("memmove(%p, %p, %d)\n", dest + (beg + slice_len), dest + end, (dest_len - end) * (item_sz));*/ \ + memmove(((char *)dest) + (beg) * (item_sz), slice, slice_len * (item_sz)); \ memmove(((char *)dest) + (beg + slice_len) * (item_sz), ((char *)dest) + (end) * (item_sz), (dest_len - end) * (item_sz)); // Note: dest and slice regions may overlap #define mp_seq_replace_slice_grow_inplace(dest, dest_len, beg, end, slice, slice_len, len_adj, item_sz) \ - /*printf("memmove(%p, %p, %d)\n", dest + beg + len_adj, dest + beg, (dest_len - beg) * (item_sz));*/ \ memmove(((char *)dest) + (beg + slice_len) * (item_sz), ((char *)dest) + (end) * (item_sz), ((dest_len) + (len_adj) - ((beg) + (slice_len))) * (item_sz)); \ memmove(((char *)dest) + (beg) * (item_sz), slice, slice_len * (item_sz)); |