diff options
| -rw-r--r-- | configure.ac | 13 | ||||
| -rw-r--r-- | src/Makefile.am | 2 | ||||
| -rw-r--r-- | src/compat/byteswap.h | 47 | ||||
| -rw-r--r-- | src/compat/endian.h | 194 | ||||
| -rw-r--r-- | src/crypto/common.h | 76 |
5 files changed, 263 insertions, 69 deletions
diff --git a/configure.ac b/configure.ac index f5bc1e3122..2c918218bb 100644 --- a/configure.ac +++ b/configure.ac @@ -350,8 +350,8 @@ if test x$use_lcov = xyes; then [AC_MSG_ERROR("lcov testing requested but --coverage flag does not work")]) fi -dnl Require little endian -AC_C_BIGENDIAN([AC_MSG_ERROR("Big Endian not supported")]) +dnl Check for endianness +AC_C_BIGENDIAN dnl Check for pthread compile/link requirements AX_PTHREAD @@ -438,17 +438,22 @@ if test x$TARGET_OS = xdarwin; then AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"]) fi -AC_CHECK_HEADERS([endian.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h]) +AC_CHECK_HEADERS([endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h]) AC_SEARCH_LIBS([getaddrinfo_a], [anl], [AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define this symbol if you have getaddrinfo_a])]) AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define this symbol if you have inet_pton])]) AC_CHECK_DECLS([strnlen]) -AC_CHECK_DECLS([le32toh, le64toh, htole32, htole64, be32toh, be64toh, htobe32, htobe64],,, +AC_CHECK_DECLS([le16toh, le32toh, le64toh, htole16, htole32, htole64, be16toh, be32toh, be64toh, htobe16, htobe32, htobe64],,, [#if HAVE_ENDIAN_H #include <endian.h> #endif]) +AC_CHECK_DECLS([bswap_16, bswap_32, bswap_64],,, + [#if HAVE_BYTESWAP_H + #include <byteswap.h> + #endif]) + dnl Check for MSG_NOSIGNAL AC_MSG_CHECKING(for MSG_NOSIGNAL) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], diff --git a/src/Makefile.am b/src/Makefile.am index e1d467ff85..da65efa713 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -141,6 +141,8 @@ BITCOIN_CORE_H = \ walletdb.h \ wallet.h \ wallet_ismine.h \ + compat/byteswap.h \ + compat/endian.h \ compat/sanity.h JSON_H = \ diff --git a/src/compat/byteswap.h b/src/compat/byteswap.h new file mode 100644 index 0000000000..899220bdc5 --- /dev/null +++ b/src/compat/byteswap.h @@ -0,0 +1,47 @@ +// Copyright (c) 2014 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_COMPAT_BYTESWAP_H +#define BITCOIN_COMPAT_BYTESWAP_H + +#if defined(HAVE_CONFIG_H) +#include "config/bitcoin-config.h" +#endif + +#include <stdint.h> + +#if defined(HAVE_BYTESWAP_H) +#include <byteswap.h> +#endif + +#if HAVE_DECL_BSWAP_16 == 0 +inline uint16_t bswap_16(uint16_t x) +{ + return (x >> 8) | ((x & 0x00ff) << 8); +} +#endif // HAVE_DECL_BSWAP16 + +#if HAVE_DECL_BSWAP_32 == 0 +inline uint32_t bswap_32(uint32_t x) +{ + return (((x & 0xff000000U) >> 24) | ((x & 0x00ff0000U) >> 8) | + ((x & 0x0000ff00U) << 8) | ((x & 0x000000ffU) << 24)); +} +#endif // HAVE_DECL_BSWAP32 + +#if HAVE_DECL_BSWAP_64 == 0 +inline uint64_t bswap_64(uint64_t x) +{ + return (((x & 0xff00000000000000ull) >> 56) + | ((x & 0x00ff000000000000ull) >> 40) + | ((x & 0x0000ff0000000000ull) >> 24) + | ((x & 0x000000ff00000000ull) >> 8) + | ((x & 0x00000000ff000000ull) << 8) + | ((x & 0x0000000000ff0000ull) << 24) + | ((x & 0x000000000000ff00ull) << 40) + | ((x & 0x00000000000000ffull) << 56)); +} +#endif // HAVE_DECL_BSWAP64 + +#endif // BITCOIN_COMPAT_BYTESWAP_H diff --git a/src/compat/endian.h b/src/compat/endian.h new file mode 100644 index 0000000000..4d041d6554 --- /dev/null +++ b/src/compat/endian.h @@ -0,0 +1,194 @@ +// Copyright (c) 2014 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_COMPAT_ENDIAN_H +#define BITCOIN_COMPAT_ENDIAN_H + +#if defined(HAVE_CONFIG_H) +#include "config/bitcoin-config.h" +#endif + +#include <stdint.h> + +#include "compat/byteswap.h" + +#if defined(HAVE_ENDIAN_H) +#include <endian.h> +#endif + +#if defined(WORDS_BIGENDIAN) + +#if HAVE_DECL_HTOBE16 == 0 +inline uint16_t htobe16(uint16_t host_16bits) +{ + return host_16bits; +} +#endif // HAVE_DECL_HTOBE16 + +#if HAVE_DECL_HTOLE16 == 0 +inline uint16_t htole16(uint16_t host_16bits) +{ + return bswap_16(host_16bits); +} +#endif // HAVE_DECL_HTOLE16 + +#if HAVE_DECL_BE16TOH == 0 +inline uint16_t be16toh(uint16_t big_endian_16bits) +{ + return big_endian_16bits; +} +#endif // HAVE_DECL_BE16TOH + +#if HAVE_DECL_LE16TOH == 0 +inline uint16_t le16toh(uint16_t little_endian_16bits) +{ + return bswap_16(little_endian_16bits); +} +#endif // HAVE_DECL_LE16TOH + +#if HAVE_DECL_HTOBE32 == 0 +inline uint32_t htobe32(uint32_t host_32bits) +{ + return host_32bits; +} +#endif // HAVE_DECL_HTOBE32 + +#if HAVE_DECL_HTOLE32 == 0 +inline uint32_t htole32(uint32_t host_32bits) +{ + return bswap_32(host_32bits); +} +#endif // HAVE_DECL_HTOLE32 + +#if HAVE_DECL_BE32TOH == 0 +inline uint32_t be32toh(uint32_t big_endian_32bits) +{ + return big_endian_32bits; +} +#endif // HAVE_DECL_BE32TOH + +#if HAVE_DECL_LE32TOH == 0 +inline uint32_t le32toh(uint32_t little_endian_32bits) +{ + return bswap_32(little_endian_32bits); +} +#endif // HAVE_DECL_LE32TOH + +#if HAVE_DECL_HTOBE64 == 0 +inline uint64_t htobe64(uint64_t host_64bits) +{ + return host_64bits; +} +#endif // HAVE_DECL_HTOBE64 + +#if HAVE_DECL_HTOLE64 == 0 +inline uint64_t htole64(uint64_t host_64bits) +{ + return bswap_64(host_64bits); +} +#endif // HAVE_DECL_HTOLE64 + +#if HAVE_DECL_BE64TOH == 0 +inline uint64_t be64toh(uint64_t big_endian_64bits) +{ + return big_endian_64bits; +} +#endif // HAVE_DECL_BE64TOH + +#if HAVE_DECL_LE64TOH == 0 +inline uint64_t le64toh(uint64_t little_endian_64bits) +{ + return bswap_64(little_endian_64bits); +} +#endif // HAVE_DECL_LE64TOH + +#else // WORDS_BIGENDIAN + +#if HAVE_DECL_HTOBE16 == 0 +inline uint16_t htobe16(uint16_t host_16bits) +{ + return bswap_16(host_16bits); +} +#endif // HAVE_DECL_HTOBE16 + +#if HAVE_DECL_HTOLE16 == 0 +inline uint16_t htole16(uint16_t host_16bits) +{ + return host_16bits; +} +#endif // HAVE_DECL_HTOLE16 + +#if HAVE_DECL_BE16TOH == 0 +inline uint16_t be16toh(uint16_t big_endian_16bits) +{ + return bswap_16(big_endian_16bits); +} +#endif // HAVE_DECL_BE16TOH + +#if HAVE_DECL_LE16TOH == 0 +inline uint16_t le16toh(uint16_t little_endian_16bits) +{ + return little_endian_16bits; +} +#endif // HAVE_DECL_LE16TOH + +#if HAVE_DECL_HTOBE32 == 0 +inline uint32_t htobe32(uint32_t host_32bits) +{ + return bswap_32(host_32bits); +} +#endif // HAVE_DECL_HTOBE32 + +#if HAVE_DECL_HTOLE32 == 0 +inline uint32_t htole32(uint32_t host_32bits) +{ + return host_32bits; +} +#endif // HAVE_DECL_HTOLE32 + +#if HAVE_DECL_BE32TOH == 0 +inline uint32_t be32toh(uint32_t big_endian_32bits) +{ + return bswap_32(big_endian_32bits); +} +#endif // HAVE_DECL_BE32TOH + +#if HAVE_DECL_LE32TOH == 0 +inline uint32_t le32toh(uint32_t little_endian_32bits) +{ + return little_endian_32bits; +} +#endif // HAVE_DECL_LE32TOH + +#if HAVE_DECL_HTOBE64 == 0 +inline uint64_t htobe64(uint64_t host_64bits) +{ + return bswap_64(host_64bits); +} +#endif // HAVE_DECL_HTOBE64 + +#if HAVE_DECL_HTOLE64 == 0 +inline uint64_t htole64(uint64_t host_64bits) +{ + return host_64bits; +} +#endif // HAVE_DECL_HTOLE64 + +#if HAVE_DECL_BE64TOH == 0 +inline uint64_t be64toh(uint64_t big_endian_64bits) +{ + return bswap_64(big_endian_64bits); +} +#endif // HAVE_DECL_BE64TOH + +#if HAVE_DECL_LE64TOH == 0 +inline uint64_t le64toh(uint64_t little_endian_64bits) +{ + return little_endian_64bits; +} +#endif // HAVE_DECL_LE64TOH + +#endif // WORDS_BIGENDIAN + +#endif // BITCOIN_COMPAT_ENDIAN_H diff --git a/src/crypto/common.h b/src/crypto/common.h index 8b04b1f728..580c72f5a6 100644 --- a/src/crypto/common.h +++ b/src/crypto/common.h @@ -11,110 +11,56 @@ #include <stdint.h> -#if defined(HAVE_ENDIAN_H) -#include <endian.h> -#endif +#include "compat/endian.h" + +uint16_t static inline ReadLE16(const unsigned char* ptr) +{ + return le16toh(*((uint16_t*)ptr)); +} uint32_t static inline ReadLE32(const unsigned char* ptr) { -#if HAVE_DECL_LE32TOH == 1 return le32toh(*((uint32_t*)ptr)); -#elif !defined(WORDS_BIGENDIAN) - return *((uint32_t*)ptr); -#else - return ((uint32_t)ptr[3] << 24 | (uint32_t)ptr[2] << 16 | (uint32_t)ptr[1] << 8 | (uint32_t)ptr[0]); -#endif } uint64_t static inline ReadLE64(const unsigned char* ptr) { -#if HAVE_DECL_LE64TOH == 1 return le64toh(*((uint64_t*)ptr)); -#elif !defined(WORDS_BIGENDIAN) - return *((uint64_t*)ptr); -#else - return ((uint64_t)ptr[7] << 56 | (uint64_t)ptr[6] << 48 | (uint64_t)ptr[5] << 40 | (uint64_t)ptr[4] << 32 | - (uint64_t)ptr[3] << 24 | (uint64_t)ptr[2] << 16 | (uint64_t)ptr[1] << 8 | (uint64_t)ptr[0]); -#endif +} + +void static inline WriteLE16(unsigned char* ptr, uint16_t x) +{ + *((uint16_t*)ptr) = htole16(x); } void static inline WriteLE32(unsigned char* ptr, uint32_t x) { -#if HAVE_DECL_HTOLE32 == 1 *((uint32_t*)ptr) = htole32(x); -#elif !defined(WORDS_BIGENDIAN) - *((uint32_t*)ptr) = x; -#else - ptr[3] = x >> 24; - ptr[2] = x >> 16; - ptr[1] = x >> 8; - ptr[0] = x; -#endif } void static inline WriteLE64(unsigned char* ptr, uint64_t x) { -#if HAVE_DECL_HTOLE64 == 1 *((uint64_t*)ptr) = htole64(x); -#elif !defined(WORDS_BIGENDIAN) - *((uint64_t*)ptr) = x; -#else - ptr[7] = x >> 56; - ptr[6] = x >> 48; - ptr[5] = x >> 40; - ptr[4] = x >> 32; - ptr[3] = x >> 24; - ptr[2] = x >> 16; - ptr[1] = x >> 8; - ptr[0] = x; -#endif } uint32_t static inline ReadBE32(const unsigned char* ptr) { -#if HAVE_DECL_BE32TOH == 1 return be32toh(*((uint32_t*)ptr)); -#else - return ((uint32_t)ptr[0] << 24 | (uint32_t)ptr[1] << 16 | (uint32_t)ptr[2] << 8 | (uint32_t)ptr[3]); -#endif } uint64_t static inline ReadBE64(const unsigned char* ptr) { -#if HAVE_DECL_BE64TOH == 1 return be64toh(*((uint64_t*)ptr)); -#else - return ((uint64_t)ptr[0] << 56 | (uint64_t)ptr[1] << 48 | (uint64_t)ptr[2] << 40 | (uint64_t)ptr[3] << 32 | - (uint64_t)ptr[4] << 24 | (uint64_t)ptr[5] << 16 | (uint64_t)ptr[6] << 8 | (uint64_t)ptr[7]); -#endif } void static inline WriteBE32(unsigned char* ptr, uint32_t x) { -#if HAVE_DECL_HTOBE32 == 1 *((uint32_t*)ptr) = htobe32(x); -#else - ptr[0] = x >> 24; - ptr[1] = x >> 16; - ptr[2] = x >> 8; - ptr[3] = x; -#endif } void static inline WriteBE64(unsigned char* ptr, uint64_t x) { -#if HAVE_DECL_HTOBE64 == 1 *((uint64_t*)ptr) = htobe64(x); -#else - ptr[0] = x >> 56; - ptr[1] = x >> 48; - ptr[2] = x >> 40; - ptr[3] = x >> 32; - ptr[4] = x >> 24; - ptr[5] = x >> 16; - ptr[6] = x >> 8; - ptr[7] = x; -#endif } #endif // BITCOIN_CRYPTO_COMMON_H |