diff options
Diffstat (limited to 'tools/libxl/libxl_utils.c')
-rw-r--r-- | tools/libxl/libxl_utils.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c index 0301bd00a3..1bda3cae6c 100644 --- a/tools/libxl/libxl_utils.c +++ b/tools/libxl/libxl_utils.c @@ -510,6 +510,36 @@ void libxl_bitmap_dispose(libxl_bitmap *map) free(map->map); } +void libxl_bitmap_copy(libxl_ctx *ctx, libxl_bitmap *dptr, + const libxl_bitmap *sptr) +{ + int sz; + + assert(dptr->size == sptr->size); + sz = dptr->size = sptr->size; + memcpy(dptr->map, sptr->map, sz * sizeof(*dptr->map)); +} + +int libxl_bitmap_is_full(const libxl_bitmap *bitmap) +{ + int i; + + for (i = 0; i < bitmap->size; i++) + if (bitmap->map[i] != (uint8_t)-1) + return 0; + return 1; +} + +int libxl_bitmap_is_empty(const libxl_bitmap *bitmap) +{ + int i; + + for (i = 0; i < bitmap->size; i++) + if (bitmap->map[i]) + return 0; + return 1; +} + int libxl_bitmap_test(const libxl_bitmap *bitmap, int bit) { if (bit >= bitmap->size * 8) |