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125 lines
2.9 KiB
125 lines
2.9 KiB
/* |
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* Copyright 2014 Con Kolivas |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 3 of the License, or (at your option) |
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* any later version. See COPYING for more details. |
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*/ |
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/* This file should contain all exported functions of libckpool */ |
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#ifndef CKPOOL_H |
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#define CKPOOL_H |
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#include "config.h" |
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#include <stdint.h> |
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#if HAVE_BYTESWAP_H |
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# include <byteswap.h> |
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#endif |
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#if HAVE_ENDIAN_H |
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# include <endian.h> |
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#elif HAVE_SYS_ENDIAN_H |
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# include <sys/endian.h> |
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#endif |
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#ifndef bswap_16 |
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#define bswap_16 __builtin_bswap16 |
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#define bswap_32 __builtin_bswap32 |
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#define bswap_64 __builtin_bswap64 |
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#endif |
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/* This assumes htobe32 is a macro in endian.h, and if it doesn't exist, then |
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* htobe64 also won't exist */ |
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#ifndef htobe32 |
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# if __BYTE_ORDER == __LITTLE_ENDIAN |
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# define htole16(x) (x) |
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# define le16toh(x) (x) |
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# define htole32(x) (x) |
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# define htole64(x) (x) |
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# define le32toh(x) (x) |
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# define le64toh(x) (x) |
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# define be32toh(x) bswap_32(x) |
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# define be64toh(x) bswap_64(x) |
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# define htobe16(x) bswap_16(x) |
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# define htobe32(x) bswap_32(x) |
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# define htobe64(x) bswap_64(x) |
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# elif __BYTE_ORDER == __BIG_ENDIAN |
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# define htole16(x) bswap_16(x) |
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# define le16toh(x) bswap_16(x) |
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# define htole32(x) bswap_32(x) |
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# define le32toh(x) bswap_32(x) |
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# define le64toh(x) bswap_64(x) |
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# define htole64(x) bswap_64(x) |
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# define be32toh(x) (x) |
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# define be64toh(x) (x) |
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# define htobe16(x) (x) |
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# define htobe32(x) (x) |
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# define htobe64(x) (x) |
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# endif |
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#endif |
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#define unlikely(expr) (__builtin_expect(!!(expr), 0)) |
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#define likely(expr) (__builtin_expect(!!(expr), 1)) |
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#define __maybe_unused __attribute__((unused)) |
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#define uninitialised_var(x) x = x |
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/* Typedefs are evil but we use this one so often... */ |
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typedef unsigned char uchar; |
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typedef struct timeval tv_t; |
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typedef struct timespec ts_t; |
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static inline void swap_256(void *dest_p, const void *src_p) |
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{ |
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uint32_t *dest = dest_p; |
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const uint32_t *src = src_p; |
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dest[0] = src[7]; |
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dest[1] = src[6]; |
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dest[2] = src[5]; |
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dest[3] = src[4]; |
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dest[4] = src[3]; |
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dest[5] = src[2]; |
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dest[6] = src[1]; |
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dest[7] = src[0]; |
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} |
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static inline void bswap_256(void *dest_p, const void *src_p) |
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{ |
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uint32_t *dest = dest_p; |
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const uint32_t *src = src_p; |
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dest[0] = bswap_32(src[7]); |
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dest[1] = bswap_32(src[6]); |
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dest[2] = bswap_32(src[5]); |
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dest[3] = bswap_32(src[4]); |
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dest[4] = bswap_32(src[3]); |
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dest[5] = bswap_32(src[2]); |
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dest[6] = bswap_32(src[1]); |
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dest[7] = bswap_32(src[0]); |
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} |
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static inline void flip_32(void *dest_p, const void *src_p) |
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{ |
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uint32_t *dest = dest_p; |
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const uint32_t *src = src_p; |
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int i; |
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for (i = 0; i < 8; i++) |
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dest[i] = bswap_32(src[i]); |
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} |
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static inline void flip_80(void *dest_p, const void *src_p) |
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{ |
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uint32_t *dest = dest_p; |
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const uint32_t *src = src_p; |
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int i; |
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for (i = 0; i < 20; i++) |
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dest[i] = bswap_32(src[i]); |
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} |
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#endif /* CKPOOL_H */
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