Re: [Libguestfs] [PATCH nbdkit] common: Move shared bitmap code to a common library.

+int +bitmap_resize (struct bitmap *bm, uint64_t new_size) +{ + uint8_t *new_bitmap; + const size_t old_bm_size = bm->size; + uint64_t new_bm_size_u64; + size_t new_bm_size; + + new_bm_size_u64 = DIV_ROUND_UP (new_size, bm->blksize * 8 / bm->bpb); + if (new_bm_size_u64 > SIZE_MAX) { + nbdkit_error ("bitmap too large for this architecture"); + return -1; + } + new_bm_size = (size_t) new_bm_size_u64; + + new_bitmap = realloc (bm->bitmap, new_bm_size);