diff options
Diffstat (limited to 'src/crypto')
-rw-r--r-- | src/crypto/common.h | 53 |
1 files changed, 14 insertions, 39 deletions
diff --git a/src/crypto/common.h b/src/crypto/common.h index 6ae5d4cd24..1dc4f3f55c 100644 --- a/src/crypto/common.h +++ b/src/crypto/common.h @@ -5,51 +5,47 @@ #ifndef BITCOIN_CRYPTO_COMMON_H #define BITCOIN_CRYPTO_COMMON_H -#if defined(HAVE_CONFIG_H) -#include <config/bitcoin-config.h> -#endif - -#include <stdint.h> -#include <string.h> - #include <compat/endian.h> +#include <cstdint> +#include <cstring> + uint16_t static inline ReadLE16(const unsigned char* ptr) { uint16_t x; memcpy(&x, ptr, 2); - return le16toh(x); + return le16toh_internal(x); } uint32_t static inline ReadLE32(const unsigned char* ptr) { uint32_t x; memcpy(&x, ptr, 4); - return le32toh(x); + return le32toh_internal(x); } uint64_t static inline ReadLE64(const unsigned char* ptr) { uint64_t x; memcpy(&x, ptr, 8); - return le64toh(x); + return le64toh_internal(x); } void static inline WriteLE16(unsigned char* ptr, uint16_t x) { - uint16_t v = htole16(x); + uint16_t v = htole16_internal(x); memcpy(ptr, &v, 2); } void static inline WriteLE32(unsigned char* ptr, uint32_t x) { - uint32_t v = htole32(x); + uint32_t v = htole32_internal(x); memcpy(ptr, &v, 4); } void static inline WriteLE64(unsigned char* ptr, uint64_t x) { - uint64_t v = htole64(x); + uint64_t v = htole64_internal(x); memcpy(ptr, &v, 8); } @@ -57,54 +53,33 @@ uint16_t static inline ReadBE16(const unsigned char* ptr) { uint16_t x; memcpy(&x, ptr, 2); - return be16toh(x); + return be16toh_internal(x); } uint32_t static inline ReadBE32(const unsigned char* ptr) { uint32_t x; memcpy(&x, ptr, 4); - return be32toh(x); + return be32toh_internal(x); } uint64_t static inline ReadBE64(const unsigned char* ptr) { uint64_t x; memcpy(&x, ptr, 8); - return be64toh(x); + return be64toh_internal(x); } void static inline WriteBE32(unsigned char* ptr, uint32_t x) { - uint32_t v = htobe32(x); + uint32_t v = htobe32_internal(x); memcpy(ptr, &v, 4); } void static inline WriteBE64(unsigned char* ptr, uint64_t x) { - uint64_t v = htobe64(x); + uint64_t v = htobe64_internal(x); memcpy(ptr, &v, 8); } -/** Return the smallest number n such that (x >> n) == 0 (or 64 if the highest bit in x is set. */ -uint64_t static inline CountBits(uint64_t x) -{ -#if HAVE_BUILTIN_CLZL - if (sizeof(unsigned long) >= sizeof(uint64_t)) { - return x ? 8 * sizeof(unsigned long) - __builtin_clzl(x) : 0; - } -#endif -#if HAVE_BUILTIN_CLZLL - if (sizeof(unsigned long long) >= sizeof(uint64_t)) { - return x ? 8 * sizeof(unsigned long long) - __builtin_clzll(x) : 0; - } -#endif - int ret = 0; - while (x) { - x >>= 1; - ++ret; - } - return ret; -} - #endif // BITCOIN_CRYPTO_COMMON_H |