--- a/include/linux/netfilter/xt_sctp.h +++ b/include/linux/netfilter/xt_sctp.h @@ -37,54 +37,68 @@ #define SCTP_CHUNKMAP_SET(chunkmap, type) \ do { \ - (chunkmap)[type / bytes(u_int32_t)] |= \ + chunkmap[type / bytes(u_int32_t)] |= \ 1 << (type % bytes(u_int32_t)); \ } while (0) #define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \ do { \ - (chunkmap)[type / bytes(u_int32_t)] &= \ + chunkmap[type / bytes(u_int32_t)] &= \ ~(1 << (type % bytes(u_int32_t))); \ } while (0) #define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \ ({ \ - ((chunkmap)[type / bytes (u_int32_t)] & \ + (chunkmap[type / bytes (u_int32_t)] & \ (1 << (type % bytes (u_int32_t)))) ? 1: 0; \ }) -#define SCTP_CHUNKMAP_RESET(chunkmap) \ - memset((chunkmap), 0, sizeof(chunkmap)) +#define SCTP_CHUNKMAP_RESET(chunkmap) \ + do { \ + int i; \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \ + chunkmap[i] = 0; \ + } while (0) -#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \ - memset((chunkmap), ~0U, sizeof(chunkmap)) +#define SCTP_CHUNKMAP_SET_ALL(chunkmap) \ + do { \ + int i; \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \ + chunkmap[i] = ~0; \ + } while (0) -#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \ - memcpy((destmap), (srcmap), sizeof(srcmap)) +#define SCTP_CHUNKMAP_COPY(destmap, srcmap) \ + do { \ + int i; \ + for (i = 0; i < ARRAY_SIZE(srcmap); i++) \ + destmap[i] = srcmap[i]; \ + } while (0) + +#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \ +({ \ + int i; \ + int flag = 1; \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \ + if (chunkmap[i]) { \ + flag = 0; \ + break; \ + } \ + } \ + flag; \ +}) -#define SCTP_CHUNKMAP_IS_CLEAR(chunkmap) \ - __sctp_chunkmap_is_clear((chunkmap), ARRAY_SIZE(chunkmap)) -static inline bool -__sctp_chunkmap_is_clear(const u_int32_t *chunkmap, unsigned int n) -{ - unsigned int i; - for (i = 0; i < n; ++i) - if (chunkmap[i]) - return false; - return true; -} - -#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \ - __sctp_chunkmap_is_all_set((chunkmap), ARRAY_SIZE(chunkmap)) -static inline bool -__sctp_chunkmap_is_all_set(const u_int32_t *chunkmap, unsigned int n) -{ - unsigned int i; - for (i = 0; i < n; ++i) - if (chunkmap[i] != ~0U) - return false; - return true; -} +#define SCTP_CHUNKMAP_IS_ALL_SET(chunkmap) \ +({ \ + int i; \ + int flag = 1; \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \ + if (chunkmap[i] != ~0) { \ + flag = 0; \ + break; \ + } \ + } \ + flag; \ +}) #endif /* _XT_SCTP_H_ */