45 #define IW_ROUNDUP(x_, v_) (((x_) + (v_) - 1) & ~((v_) - 1))  argument
48 #define IW_ROUNDOWN(x_, v_) ((x_) - ((x_) & ((v_) - 1)))  argument
104 #define IW_WRITEBV(ptr_, v_, m_)  \  argument
105   static_assert(sizeof(v_) == 1, "Mismatch v_ size"); \
106   (v_) = (m_);                          \
107   memcpy(ptr_, &(v_), 1); \
110 #define IW_WRITESV(ptr_, v_, m_)  \  argument
111   static_assert(sizeof(v_) == 2, "Mismatch v_ size"); \
112   (v_) = (m_);                          \
113   (v_) = IW_HTOIS(v_);                \
114   memcpy(ptr_, &(v_), 2); \
117 #define IW_WRITELV(ptr_, v_, m_)  \  argument
118   static_assert(sizeof(v_) == 4, "Mismatch v_ size"); \
119   (v_) = (m_);                          \
120   (v_) = IW_HTOIL(v_);                \
121   memcpy(ptr_, &(v_), 4); \
124 #define IW_WRITELLV(ptr_, v_, m_) \  argument
125   static_assert(sizeof(v_) == 8, "Mismatch v_ size"); \
126   (v_) = (m_);                          \
127   (v_) = IW_HTOILL(v_);               \
128   memcpy((ptr_), &(v_), 8); \