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db5d556f9b
To be precise C90 says "A bit-field may have type int, unsigned int, or signed int". It is clear that char or enum are NG. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61554 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
#ifndef RUBY_TIMEV_H
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#define RUBY_TIMEV_H
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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#define bits8_t uint8_t
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#define bits16_t uint16_t
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#else
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#define bits8_t unsigned int
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#define bits16_t unsigned int
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#endif
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PACKED_STRUCT_UNALIGNED(struct vtm {
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VALUE year; /* 2000 for example. Integer. */
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VALUE subsecx; /* 0 <= subsecx < TIME_SCALE. possibly Rational. */
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VALUE utc_offset; /* -3600 as -01:00 for example. possibly Rational. */
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const char *zone; /* "JST", "EST", "EDT", etc. */
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bits16_t yday:9; /* 1..366 */
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bits8_t mon:4; /* 1..12 */
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bits8_t mday:5; /* 1..31 */
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bits8_t hour:5; /* 0..23 */
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bits8_t min:6; /* 0..59 */
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bits8_t sec:6; /* 0..60 */
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bits8_t wday:3; /* 0:Sunday, 1:Monday, ..., 6:Saturday 7:init */
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bits8_t isdst:2; /* 0:StandardTime 1:DayLightSavingTime 3:init */
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});
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#undef bits8_t
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#undef bits16_t
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#define TIME_SCALE 1000000000
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#ifndef TYPEOF_TIMEVAL_TV_SEC
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# define TYPEOF_TIMEVAL_TV_SEC time_t
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#endif
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#ifndef TYPEOF_TIMEVAL_TV_USEC
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# if INT_MAX >= 1000000
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# define TYPEOF_TIMEVAL_TV_USEC int
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# else
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# define TYPEOF_TIMEVAL_TV_USEC long
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# endif
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#endif
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#if SIZEOF_TIME_T == SIZEOF_LONG
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typedef unsigned long unsigned_time_t;
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#elif SIZEOF_TIME_T == SIZEOF_INT
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typedef unsigned int unsigned_time_t;
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#elif SIZEOF_TIME_T == SIZEOF_LONG_LONG
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typedef unsigned LONG_LONG unsigned_time_t;
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#else
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# error cannot find integer type which size is same as time_t.
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#endif
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#endif
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