diff options
Diffstat (limited to 'hicn-light/src/hicn/base/bitmap.h')
-rw-r--r-- | hicn-light/src/hicn/base/bitmap.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/hicn-light/src/hicn/base/bitmap.h b/hicn-light/src/hicn/base/bitmap.h index 1159806c8..908b28d87 100644 --- a/hicn-light/src/hicn/base/bitmap.h +++ b/hicn-light/src/hicn/base/bitmap.h @@ -100,16 +100,27 @@ bitmap_get(const bitmap_t * bitmap, off_t i) * * @return bool */ +#define bitmap_set(bitmap, i) \ + _bitmap_set((bitmap_t**)&bitmap, i) + +/* + * @brief Returns whether the i-th bit is unset (equal to 0) in a bitmap (helper). + * + * @param[in] bitmap The bitmap to access. + * @param[in] i The bit position. + * + * @return bool + */ static inline int -bitmap_set(bitmap_t * bitmap, off_t i) +_bitmap_set(bitmap_t ** bitmap, off_t i) { - if (bitmap_ensure_pos(&bitmap, i) < 0) + if (bitmap_ensure_pos(bitmap, i) < 0) return -1; size_t offset = i / BITMAP_WIDTH(bitmap); size_t pos = i % BITMAP_WIDTH(bitmap); size_t shift = BITMAP_WIDTH(bitmap) - pos - 1; - bitmap[offset] |= 1ul << shift; + (*bitmap)[offset] |= 1ul << shift; return 0; } |