51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
#pragma once
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/*
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* Keep all the ugly #ifdef for system stuff here
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*/
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#ifndef __COMPILER_H__
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#define __COMPILER_H__
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#ifndef NULL
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#define NULL 0
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#endif
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#define uswap_16(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define uswap_32(x) \
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((((x) & 0xff000000) >> 24) | \
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(((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | \
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(((x) & 0x000000ff) << 24))
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#define _uswap_64(x, sfx) \
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((((x) & 0xff00000000000000##sfx) >> 56) | \
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(((x) & 0x00ff000000000000##sfx) >> 40) | \
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(((x) & 0x0000ff0000000000##sfx) >> 24) | \
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(((x) & 0x000000ff00000000##sfx) >> 8) | \
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(((x) & 0x00000000ff000000##sfx) << 8) | \
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(((x) & 0x0000000000ff0000##sfx) << 24) | \
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(((x) & 0x000000000000ff00##sfx) << 40) | \
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(((x) & 0x00000000000000ff##sfx) << 56))
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#if defined(__GNUC__)
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#define uswap_64(x) _uswap_64(x, ull)
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#else
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#define uswap_64(x) _uswap_64(x, )
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#endif
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#define cpu_to_le16(x) (x)
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#define cpu_to_le32(x) (x)
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#define cpu_to_le64(x) (x)
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#define le16_to_cpu(x) (x)
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#define le32_to_cpu(x) (x)
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#define le64_to_cpu(x) (x)
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#define cpu_to_be16(x) uswap_16(x)
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#define cpu_to_be32(x) uswap_32(x)
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#define cpu_to_be64(x) uswap_64(x)
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#define be16_to_cpu(x) uswap_16(x)
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#define be32_to_cpu(x) uswap_32(x)
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#define be64_to_cpu(x) uswap_64(x)
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/* Type for `void *' pointers. */
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//typedef unsigned long int uintptr_t;
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#endif
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