mirror of
https://github.com/fumiama/fumidb.git
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106 lines
3.8 KiB
C
106 lines
3.8 KiB
C
#ifndef _BINARY_H_
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#define _BINARY_H_
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#ifdef __linux__
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# include <endian.h>
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#endif
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#ifdef __FreeBSD__
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# include <sys/endian.h>
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#endif
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#ifdef __NetBSD__
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# include <sys/endian.h>
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#endif
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#ifdef __OpenBSD__
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# include <sys/types.h>
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# define be16toh(x) betoh16(x)
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# define be32toh(x) betoh32(x)
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# define be64toh(x) betoh64(x)
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#endif
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#ifdef __MAC_10_0
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# define be16toh(x) ntohs(x)
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# define be32toh(x) ntohl(x)
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# define be64toh(x) ntohll(x)
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# define htobe16(x) ntohs(x)
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# define htobe32(x) htonl(x)
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# define htobe64(x) htonll(x)
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#endif
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#ifdef _WIN64
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#ifdef WORDS_BIGENDIAN
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# define be16toh(x) (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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#else
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# define be16toh(x) _byteswap_ushort(x)
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# define be32toh(x) _byteswap_ulong(x)
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# define be64toh(x) _byteswap_uint64(x)
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# define htobe16(x) _byteswap_ushort(x)
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# define htobe32(x) _byteswap_ulong(x)
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# define htobe64(x) _byteswap_uint64(x)
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#endif
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#endif
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#ifdef _WIN64
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#ifdef WORDS_BIGENDIAN
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#define putle16(buf, x) (*(uint16_t*)(buf) = _byteswap_ushort((uint16_t)(x)))
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#define putle32(buf, x) (*(uint32_t*)(buf) = _byteswap_ulong((uint32_t)(x)))
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#define putle64(buf, x) (*(uint64_t*)(buf) = _byteswap_uint64((uint64_t)(x)))
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#define readle16(fd, num) ((~read((fd), &(num), 2))?((num)=_byteswap_ushort((uint16_t)(num))):EOF)
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#define readle32(fd, num) ((~read((fd), &(num), 4))?((num)=_byteswap_ulong((uint32_t)(num))):EOF)
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#define readle64(fd, num) ((~read((fd), &(num), 8))?((num)=_byteswap_uint64((uint64_t)(num))):EOF)
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#define le16(buf) _byteswap_ushort(*(uint16_t*)(buf))
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#define le32(buf) _byteswap_ulong(*(uint32_t*)(buf))
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#define le64(buf) _byteswap_uint64(*(uint64_t*)(buf))
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#else
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#define putle16(buf, x) (*(uint16_t*)(buf) = (uint16_t)(x))
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#define putle32(buf, x) (*(uint32_t*)(buf) = (uint32_t)(x))
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#define putle64(buf, x) (*(uint64_t*)(buf) = (uint64_t)(x))
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#define readle16(fd, num) read((fd), &(num), 2)
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#define readle32(fd, num) read((fd), &(num), 4)
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#define readle64(fd, num) read((fd), &(num), 8)
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#define le16(buf) (*(uint16_t*)(buf))
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#define le32(buf) (*(uint32_t*)(buf))
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#define le64(buf) (*(uint64_t*)(buf))
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#endif
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#else
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#ifdef WORDS_BIGENDIAN
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#define putle16(buf, x) (*(uint16_t*)(buf) = __builtin_bswap16((uint16_t)(x)))
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#define putle32(buf, x) (*(uint32_t*)(buf) = __builtin_bswap32((uint32_t)(x)))
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#define putle64(buf, x) (*(uint64_t*)(buf) = __builtin_bswap64((uint64_t)(x)))
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#define readle16(fd, num) ((~read((fd), &(num), 2))?((num)=__builtin_bswap16((uint16_t)(num))):EOF)
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#define readle32(fd, num) ((~read((fd), &(num), 4))?((num)=__builtin_bswap32((uint32_t)(num))):EOF)
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#define readle64(fd, num) ((~read((fd), &(num), 8))?((num)=__builtin_bswap64((uint64_t)(num))):EOF)
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#define le16(buf) __builtin_bswap16(*(uint16_t*)(buf))
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#define le32(buf) __builtin_bswap32(*(uint32_t*)(buf))
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#define le64(buf) __builtin_bswap64(*(uint64_t*)(buf))
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#else
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#define putle16(buf, x) (*(uint16_t*)(buf) = (uint16_t)(x))
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#define putle32(buf, x) (*(uint32_t*)(buf) = (uint32_t)(x))
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#define putle64(buf, x) (*(uint64_t*)(buf) = (uint64_t)(x))
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#define readle16(fd, num) read((fd), &(num), 2)
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#define readle32(fd, num) read((fd), &(num), 4)
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#define readle64(fd, num) read((fd), &(num), 8)
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#define le16(buf) (*(uint16_t*)(buf))
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#define le32(buf) (*(uint32_t*)(buf))
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#define le64(buf) (*(uint64_t*)(buf))
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#endif
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#endif
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# define likely(x) __builtin_expect(!!(x), 1)
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# define unlikely(x) __builtin_expect(!!(x), 0)
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#endif |