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42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
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#ifndef COSMOPOLITAN_LIBC_FMT_WINTIME_H_
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#define COSMOPOLITAN_LIBC_FMT_WINTIME_H_
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#include "libc/calls/struct/timespec.h"
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#include "libc/calls/struct/timeval.h"
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#include "libc/nt/struct/filetime.h"
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#define MODERNITYSECONDS 11644473600ull
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#define HECTONANOSECONDS 10000000ull
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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int64_t DosDateTimeToUnix(uint32_t, uint32_t) pureconst;
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int64_t TimeSpecToWindowsTime(struct timespec) pureconst;
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int64_t TimeValToWindowsTime(struct timeval) pureconst;
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struct timespec WindowsDurationToTimeSpec(int64_t) pureconst;
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struct timespec WindowsTimeToTimeSpec(int64_t) pureconst;
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struct timeval WindowsDurationToTimeVal(int64_t) pureconst;
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struct timeval WindowsTimeToTimeVal(int64_t) pureconst;
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#define MakeFileTime(x) \
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({ \
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int64_t __x = x; \
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(struct NtFileTime){(uint32_t)__x, (uint32_t)(__x >> 32)}; \
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})
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#define ReadFileTime(t) \
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({ \
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struct NtFileTime __t = t; \
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uint64_t x = __t.dwHighDateTime; \
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(int64_t)(x << 32 | __t.dwLowDateTime); \
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})
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#define FileTimeToTimeSpec(x) WindowsTimeToTimeSpec(ReadFileTime(x))
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#define FileTimeToTimeVal(x) WindowsTimeToTimeVal(ReadFileTime(x))
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#define TimeSpecToFileTime(x) MakeFileTime(TimeSpecToWindowsTime(x))
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#define TimeValToFileTime(x) MakeFileTime(TimeValToWindowsTime(x))
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_FMT_WINTIME_H_ */
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