[6ecc079] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // calendar -- |
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| 8 | // |
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| 9 | // Author : Peter A. Buhr |
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| 10 | // Created On : Wed Mar 14 23:18:57 2018 |
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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Thu Mar 22 17:11:19 2018 |
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| 13 | // Update Count : 495 |
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| 14 | // |
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| 15 | |
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| 16 | #pragma once |
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| 17 | |
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| 18 | // http://en.cppreference.com/w/cpp/header/chrono |
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| 19 | // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0355r5.html#refcc |
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| 20 | |
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| 21 | #include <time.h> |
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| 22 | extern "C" { |
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| 23 | #include <sys/time.h> |
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| 24 | int snprintf( char * buf, size_t size, const char * fmt, ... ); |
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| 25 | } |
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| 26 | #include <fstream> |
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| 27 | |
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| 28 | enum { |
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| 29 | CLOCKGRAN = 15_000_000L, // ALWAYS in nanoseconds, MUST BE less than 1 second |
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| 30 | TIMEGRAN = 1_000_000_000L // nanosecond granularity, except for timeval |
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| 31 | }; |
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| 32 | |
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| 33 | |
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| 34 | #if defined( REALTIME_POSIX ) |
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| 35 | #define tv_XSEC tv_nsec |
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| 36 | #else |
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| 37 | #define tv_XSEC tv_usec |
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| 38 | #endif |
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| 39 | |
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| 40 | |
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| 41 | #if defined( __linux__ ) |
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| 42 | // fake a few things |
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| 43 | #define CLOCK_REALTIME 0 // real (clock on the wall) time |
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| 44 | #endif |
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| 45 | |
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| 46 | // conversions for existing time types |
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| 47 | static inline void ?{}( timeval & t ) {} |
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| 48 | static inline void ?{}( timeval & t, time_t sec ) { t.tv_sec = sec; t.tv_usec = 0; } |
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| 49 | static inline void ?{}( timeval & t, time_t sec, suseconds_t usec ) { t.tv_sec = sec; t.tv_usec = usec; } |
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| 50 | |
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| 51 | static inline void ?{}( timespec & t ) {} |
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| 52 | static inline void ?{}( timespec & t, time_t sec ) { t.tv_sec = sec; t.tv_nsec = 0; } |
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| 53 | static inline void ?{}( timespec & t, time_t sec, __syscall_slong_t nsec ) { t.tv_sec = sec; t.tv_nsec = nsec; } |
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| 54 | |
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| 55 | static inline char * ctime( time_t tp ) { char * buf = ctime( &tp ); buf[24] = '\0'; return buf; } |
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| 56 | static inline char * ctime_r( time_t tp, char * buf ) { ctime_r( &tp, buf ); buf[24] = '\0'; return buf; } |
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| 57 | static inline tm * gmtime( time_t tp ) { return gmtime( &tp ); } |
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| 58 | static inline tm * gmtime_r( time_t tp, tm * result ) { return gmtime_r( &tp, result ); } |
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| 59 | static inline tm * localtime( time_t tp ) { return localtime( &tp ); } |
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| 60 | static inline tm * localtime_r( time_t tp, tm * result ) { return localtime_r( &tp, result ); } |
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| 61 | |
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| 62 | |
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| 63 | //######################### Duration ######################### |
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| 64 | |
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| 65 | struct Duration { |
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| 66 | int64_t tv; |
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| 67 | }; |
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| 68 | |
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| 69 | static inline void ?{}( Duration & dur ) with( dur ) { tv = 0; } |
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| 70 | static inline void ?{}( Duration & dur, Duration d ) with( dur ) { tv = d.tv; } |
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| 71 | |
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| 72 | static inline void ?{}( Duration & dur, timeval t ) with( dur ) { |
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| 73 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * 1000; |
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| 74 | } // Duration |
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| 75 | |
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| 76 | static inline void ?{}( Duration & dur, timespec t ) with( dur ) { |
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| 77 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec; |
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| 78 | } // Duration |
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| 79 | |
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| 80 | static inline Duration ?=?( Duration & dur, timeval t ) with( dur ) { |
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| 81 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * 1000; |
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| 82 | return dur; |
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| 83 | } // ?=? |
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| 84 | |
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| 85 | static inline Duration ?=?( Duration & dur, timespec t ) with( dur ) { |
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| 86 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec; |
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| 87 | return dur; |
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| 88 | } // ?=? timespec |
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| 89 | |
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| 90 | static inline void ?{}( timeval & t, Duration dur ) with( dur ) { |
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| 91 | t.tv_sec = tv / TIMEGRAN; // seconds |
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| 92 | t.tv_usec = tv % TIMEGRAN / ( TIMEGRAN / 1000000L ); // microseconds |
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| 93 | } // ?{} |
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| 94 | |
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| 95 | static inline void ?{}( timespec & t, Duration dur ) with( dur ) { |
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| 96 | t.tv_sec = tv / TIMEGRAN; // seconds |
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| 97 | t.tv_nsec = tv % TIMEGRAN; // nanoseconds |
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| 98 | } // Timespec |
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| 99 | |
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| 100 | static inline int64_t nsecs( Duration dur ) with( dur ) { return tv; } |
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| 101 | |
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| 102 | static inline Duration +?( Duration rhs ) with( rhs ) { return (Duration)@{ +tv }; } |
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| 103 | static inline Duration ?+?( Duration & lhs, Duration rhs ) { return (Duration)@{ lhs.tv + rhs.tv }; } |
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| 104 | static inline Duration ?+=?( Duration & lhs, Duration rhs ) { lhs = lhs + rhs; return lhs; } |
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| 105 | |
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| 106 | static inline Duration -?( Duration rhs ) with( rhs ) { return (Duration)@{ -tv }; } |
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| 107 | static inline Duration ?-?( Duration & lhs, Duration rhs ) { return (Duration)@{ lhs.tv - rhs.tv }; } |
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| 108 | static inline Duration ?-=?( Duration & lhs, Duration rhs ) { lhs = lhs - rhs; return lhs; } |
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| 109 | |
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| 110 | static inline Duration ?*?( Duration lhs, int64_t rhs ) { return (Duration)@{ lhs.tv * rhs }; } |
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| 111 | static inline Duration ?*?( int64_t lhs, Duration rhs ) { return (Duration)@{ lhs * rhs.tv }; } |
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| 112 | static inline Duration ?*=?( Duration & lhs, int64_t rhs ) { lhs = lhs * rhs; return lhs; } |
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| 113 | |
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| 114 | static inline Duration ?/?( Duration lhs, int64_t rhs ) { return (Duration)@{ lhs.tv / rhs }; } |
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| 115 | static inline int64_t ?/?( Duration lhs, Duration rhs ) { return lhs.tv / rhs.tv; } |
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| 116 | static inline Duration ?/=?( Duration & lhs, int64_t rhs ) { lhs = lhs / rhs; return lhs; } |
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| 117 | |
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| 118 | static inline Duration ?%?( Duration lhs, int64_t rhs ) { return (Duration)@{ lhs.tv % rhs }; } |
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| 119 | static inline int64_t ?%?( int64_t lhs, Duration rhs ) { return lhs % (rhs.tv / TIMEGRAN); } |
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| 120 | static inline int64_t ?%?( Duration lhs, Duration rhs ) { return lhs.tv % rhs.tv; } |
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| 121 | |
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| 122 | static inline _Bool ?==?( Duration lhs, Duration rhs ) { return lhs.tv == rhs.tv; } |
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| 123 | static inline _Bool ?!=?( Duration lhs, Duration rhs ) { return lhs.tv != rhs.tv; } |
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| 124 | static inline _Bool ?<?( Duration lhs, Duration rhs ) { return lhs.tv < rhs.tv; } |
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| 125 | static inline _Bool ?<=?( Duration lhs, Duration rhs ) { return lhs.tv <= rhs.tv; } |
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| 126 | static inline _Bool ?>?( Duration lhs, Duration rhs ) { return lhs.tv > rhs.tv; } |
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| 127 | static inline _Bool ?>=?( Duration lhs, Duration rhs ) { return lhs.tv >= rhs.tv; } |
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| 128 | |
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| 129 | static inline Duration abs( Duration lhs ) { |
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| 130 | return lhs.tv >= 0 ? lhs : -lhs; |
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| 131 | } // abs |
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| 132 | |
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| 133 | static inline forall( dtype ostype | ostream( ostype ) ) |
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| 134 | ostype & ?|?( ostype & os, Duration dur ) with( dur ) { |
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| 135 | os | tv / TIMEGRAN; |
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| 136 | char buf[16]; |
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| 137 | snprintf( buf, 16, "%09ld", ((tv < 0 ? -tv : tv) % TIMEGRAN) ); |
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| 138 | int i; |
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| 139 | for ( i = 8; i >= 0 && buf[i] == '0' ; i -= 1 ); // find least significant digit |
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| 140 | if ( i != -1 ) { buf[i + 1] = '\0'; os | '.' | buf; } |
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| 141 | return os; |
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| 142 | } |
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| 143 | |
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| 144 | static inline Duration ?`ns( int64_t nsec ) { return (Duration)@{ nsec }; } |
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| 145 | static inline Duration ?`us( int64_t usec ) { return (Duration)@{ usec * (TIMEGRAN / 1_000l) }; } |
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| 146 | static inline Duration ?`ms( int64_t msec ) { return (Duration)@{ msec * (TIMEGRAN / 1_000_000l) }; } |
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| 147 | static inline Duration ?`s ( int64_t sec ) { return (Duration)@{ sec * TIMEGRAN }; } |
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| 148 | static inline Duration ?`s ( double sec ) { return (Duration)@{ sec * TIMEGRAN }; } |
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| 149 | static inline Duration ?`m ( int64_t min ) { return (Duration)@{ min * (60L * TIMEGRAN) }; } |
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| 150 | static inline Duration ?`m ( double min ) { return (Duration)@{ min * (60L * TIMEGRAN) }; } |
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| 151 | static inline Duration ?`h ( int64_t hours ) { return (Duration)@{ hours * (3600L * TIMEGRAN) }; } |
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| 152 | static inline Duration ?`h ( double hours ) { return (Duration)@{ hours * (3600L * TIMEGRAN) }; } |
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| 153 | static inline Duration ?`d ( int64_t days ) { return (Duration)@{ days * (24L * 3600L * TIMEGRAN) }; } |
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| 154 | static inline Duration ?`d ( double days ) { return (Duration)@{ days * (24L * 3600L * TIMEGRAN) }; } |
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| 155 | static inline Duration ?`w ( int64_t weeks ) { return (Duration)@{ weeks * (7L * 24L * 3600L * TIMEGRAN) }; } |
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| 156 | static inline Duration ?`f ( int64_t fortnight ) { return (Duration)@{ fortnight * (14L * 24L * 3600L * TIMEGRAN) }; } |
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| 157 | |
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| 158 | static inline int64_t ?`s ( Duration dur ) { return dur.tv / TIMEGRAN; } |
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| 159 | static inline int64_t ?`m ( Duration dur ) { return dur.tv / (60L * TIMEGRAN); } |
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| 160 | static inline int64_t ?`h ( Duration dur ) { return dur.tv / (3600L * TIMEGRAN); } |
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| 161 | static inline int64_t ?`d ( Duration dur ) { return dur.tv / (24L * 3600L * TIMEGRAN); } |
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| 162 | static inline int64_t ?`w ( Duration dur ) { return dur.tv / (7L * 24L * 3600L * TIMEGRAN); } |
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| 163 | static inline int64_t ?`f ( Duration dur ) { return dur.tv / (14L * 24L * 3600L * TIMEGRAN); } |
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| 164 | |
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| 165 | |
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| 166 | //######################### Time ######################### |
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| 167 | |
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| 168 | |
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| 169 | struct Time { |
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| 170 | uint64_t tv; |
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| 171 | }; |
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| 172 | |
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| 173 | #ifdef __CFA_DEBUG__ |
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| 174 | #define CreateFmt "Attempt to create Time( year=%d, month=%d, day=%d, hour=%d, min=%d, sec=%d, nsec=%d ), " \ |
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| 175 | "which exceeds range 00:00:00 UTC, January 1, 1970 to 03:14:07 UTC, January 19, 2038." |
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| 176 | #endif // __CFA_DEBUG__ |
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| 177 | |
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| 178 | void mktime( Time & time, int year, int month, int day, int hour, int min, int sec, int nsec ) with( time ) { |
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| 179 | tm tm; |
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| 180 | |
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| 181 | // tzset(); // initialize time global variables |
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| 182 | tm.tm_isdst = -1; // let mktime determine if alternate timezone is in effect |
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| 183 | tm.tm_year = year - 1900; // mktime uses 1900 as its starting point |
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| 184 | tm.tm_mon = month - 1; |
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| 185 | tm.tm_mday = day; // mktime uses range 1-31 |
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| 186 | tm.tm_hour = hour; |
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| 187 | tm.tm_min = min; |
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| 188 | tm.tm_sec = sec; |
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| 189 | time_t epochsec = mktime( &tm ); |
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| 190 | #ifdef __CFA_DEBUG__ |
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| 191 | if ( epochsec == (time_t)-1 ) { |
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| 192 | abort( CreateFmt, year, month, day, hour, min, sec, nsec ); |
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| 193 | } // if |
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| 194 | #endif // __CFA_DEBUG__ |
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| 195 | tv = (int64_t)(epochsec) * TIMEGRAN + nsec; // convert to nanoseconds |
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| 196 | #ifdef __CFA_DEBUG__ |
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| 197 | if ( tv > 2147483647LL * TIMEGRAN ) { // between 00:00:00 UTC, January 1, 1970 and 03:14:07 UTC, January 19, 2038. |
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| 198 | abort( CreateFmt, year, month, day, hour, min, sec, nsec ); |
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| 199 | } // if |
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| 200 | #endif // __CFA_DEBUG__ |
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| 201 | } // mktime |
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| 202 | |
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| 203 | static inline void ?{}( Time & t ) with( t ) { |
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| 204 | tv = 0; |
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| 205 | } // Time |
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| 206 | |
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| 207 | // These two constructors must not call mktime because it calls malloc. The malloc calls lead to recursion problems |
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| 208 | // because Time values are created from the sigalrm handler in composing the next context switch event. |
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| 209 | |
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| 210 | static inline void ?{}( Time & t, int sec ) with( t ) { |
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| 211 | #ifdef __CFA_DEBUG__ |
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| 212 | if ( tv < 0 || tv > 2147483647LL ) { // between 00:00:00 UTC, January 1, 1970 and 03:14:07 UTC, January 19, 2038. |
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| 213 | abort( CreateFmt, 1970, 0, 0, 0, 0, sec, 0 ); |
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| 214 | } // if |
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| 215 | #endif // __CFA_DEBUG__ |
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| 216 | tv = (int64_t)sec * TIMEGRAN; |
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| 217 | } // Time |
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| 218 | |
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| 219 | static inline void ?{}( Time & t, int sec, int nsec ) with( t ) { |
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| 220 | #ifdef __U_DEBUG__ |
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| 221 | if ( tv < 0 || tv > 2147483647LL || nsec < 0 ) { // between 00:00:00 UTC, January 1, 1970 and 03:14:07 UTC, January 19, 2038. |
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| 222 | abort( CreateFmt, 1970, 0, 0, 0, 0, sec, nsec ); |
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| 223 | } // if |
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| 224 | #endif // __U_DEBUG__ |
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| 225 | tv = (int64_t)sec * TIMEGRAN + nsec; |
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| 226 | } // Time |
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| 227 | |
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| 228 | static inline void ?{}( Time & time, int min, int sec, long int nsec ) { |
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| 229 | mktime( time, 1970, 1, 1, 0, min, sec, nsec ); |
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| 230 | } // Time |
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| 231 | |
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| 232 | static inline void ?{}( Time & time, int hour, int min, int sec, long int nsec ) { |
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| 233 | mktime( time, 1970, 1, 1, hour, min, sec, nsec ); |
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| 234 | } // Time |
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| 235 | |
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| 236 | static inline void ?{}( Time & time, int day, int hour, int min, int sec, long int nsec ) { |
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| 237 | mktime( time, 1970, 1, day, hour, min, sec, nsec ); |
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| 238 | } // Time |
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| 239 | |
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| 240 | static inline void ?{}( Time & time, int month, int day, int hour, int min, int sec, long int nsec ) { |
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| 241 | mktime( time, 1970, month, day, hour, min, sec, nsec ); |
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| 242 | } // Time |
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| 243 | |
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| 244 | static inline void ?{}( Time & time, int year, int month, int day, int hour, int min, int sec, long int nsec ) { |
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| 245 | mktime( time, year, month, day, hour, min, sec, nsec ); |
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| 246 | } // Time |
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| 247 | |
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| 248 | static inline void ?{}( Time & time, timeval t ) with( time ) { |
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| 249 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * 1000; |
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| 250 | } // Time |
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| 251 | |
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| 252 | static inline void ?{}( Time & time, timespec t ) with( time ) { |
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| 253 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec; |
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| 254 | } // Time |
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| 255 | |
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| 256 | static inline Time ?=?( Time & time, timeval t ) with( time ) { |
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| 257 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * 1000; |
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| 258 | return time; |
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| 259 | } // ?=? |
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| 260 | |
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| 261 | static inline Time ?=?( Time & time, timespec t ) with( time ) { |
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| 262 | tv = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec; |
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| 263 | return time; |
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| 264 | } // ?=? |
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| 265 | |
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| 266 | static inline void ?{}( timeval & t, Time time ) with( time ) { |
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| 267 | t.tv_sec = tv / TIMEGRAN; // seconds |
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| 268 | t.tv_usec = tv % TIMEGRAN / ( TIMEGRAN / 1_000_000L ); // microseconds |
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| 269 | } // ?{} |
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| 270 | |
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| 271 | static inline void ?{}( timespec & t, Time time ) with( time ) { |
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| 272 | t.tv_sec = tv / TIMEGRAN; // seconds |
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| 273 | t.tv_nsec = tv % TIMEGRAN; // nanoseconds |
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| 274 | } // ?{} |
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| 275 | |
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| 276 | static inline int64_t nsec( Time time ) with( time ) { return tv; } |
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| 277 | |
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| 278 | static inline Time ?+?( Time & lhs, Duration rhs ) { return (Time)@{ lhs.tv + rhs.tv }; } |
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| 279 | static inline Time ?+?( Duration lhs, Time rhs ) { return rhs + lhs; } |
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| 280 | static inline Time ?+=?( Time & lhs, Duration rhs ) { lhs = lhs + rhs; return lhs; } |
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| 281 | |
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| 282 | static inline Duration ?-?( Time lhs, Time rhs ) { return (Duration)@{ lhs.tv - rhs.tv }; } |
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| 283 | static inline Time ?-?( Time lhs, Duration rhs ) { return (Time)@{ lhs.tv - rhs.tv }; } |
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| 284 | static inline Time ?-=?( Time & lhs, Duration rhs ) { lhs = lhs - rhs; return lhs; } |
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| 285 | static inline _Bool ?==?( Time lhs, Time rhs ) { return lhs.tv == rhs.tv; } |
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| 286 | static inline _Bool ?!=?( Time lhs, Time rhs ) { return lhs.tv != rhs.tv; } |
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| 287 | static inline _Bool ?<?( Time lhs, Time rhs ) { return lhs.tv < rhs.tv; } |
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| 288 | static inline _Bool ?<=?( Time lhs, Time rhs ) { return lhs.tv <= rhs.tv; } |
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| 289 | static inline _Bool ?>?( Time lhs, Time rhs ) { return lhs.tv > rhs.tv; } |
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| 290 | static inline _Bool ?>=?( Time lhs, Time rhs ) { return lhs.tv >= rhs.tv; } |
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| 291 | |
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| 292 | static inline char * yymmd( Time time, char * buf ) with( time ) { |
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| 293 | tm tm; |
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| 294 | time_t s = tv / TIMEGRAN; |
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| 295 | gmtime_r( &s, &tm ); |
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| 296 | snprintf( buf, 9, "%02d/%02d/%02d", tm.tm_year % 99, tm.tm_mon, tm.tm_mday ); |
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| 297 | return buf; |
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| 298 | } // yymmd |
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| 299 | |
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| 300 | static inline char * mmyyd( Time time, char * buf ) with( time ) { |
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| 301 | tm tm; |
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| 302 | time_t s = tv / TIMEGRAN; |
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| 303 | gmtime_r( &s, &tm ); |
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| 304 | snprintf( buf, 9, "%02d/%02d/%02d", tm.tm_mon, tm.tm_year % 99, tm.tm_mday ); |
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| 305 | return buf; |
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| 306 | } // yymmd |
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| 307 | |
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| 308 | static inline char * dmmyy( Time time, char * buf ) with( time ) { |
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| 309 | tm tm; |
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| 310 | time_t s = tv / TIMEGRAN; |
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| 311 | gmtime_r( &s, &tm ); |
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| 312 | snprintf( buf, 9, "%02d/%02d/%02d", tm.tm_mday, tm.tm_mon, tm.tm_year % 99 ); |
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| 313 | return buf; |
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| 314 | } // yymmd |
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| 315 | |
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| 316 | static inline forall( dtype ostype | ostream( ostype ) ) |
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| 317 | ostype & ?|?( ostype & os, Time time ) with( time ) { |
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| 318 | char buf[32]; // at least 26 |
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| 319 | time_t s = tv / TIMEGRAN; |
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| 320 | tm tm; |
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| 321 | gmtime_r( &s, &tm ); // ctime_r adjusts for timezone |
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| 322 | asctime_r( &tm, (char *)&buf ); |
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| 323 | buf[24] = '\0'; // remove trailing '\n' |
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| 324 | long int ns = (tv < 0 ? -tv : tv) % TIMEGRAN; |
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| 325 | if ( ns == 0 ) { |
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| 326 | os | buf; |
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| 327 | } else { |
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| 328 | buf[19] = '\0'; |
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| 329 | os | buf; |
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| 330 | char buf2[16]; |
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| 331 | snprintf( buf2, 16, "%09ld", ns ); |
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| 332 | int i; |
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| 333 | for ( i = 8; i >= 0 && buf2[i] == '0' ; i -= 1 ); // find least significant digit |
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| 334 | if ( i != -1 ) { buf2[i + 1] = '\0'; os | '.' | buf2; } |
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| 335 | os | ' ' | &buf[20]; |
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| 336 | } // if |
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| 337 | return os; |
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| 338 | } // ?|? |
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| 339 | |
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| 340 | //######################### Clock ######################### |
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| 341 | |
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| 342 | |
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| 343 | struct Clock { |
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| 344 | Duration offset; // for virtual clock: contains offset from real-time |
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| 345 | int clocktype; // implementation only -1 (virtual), CLOCK_REALTIME |
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| 346 | }; |
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| 347 | |
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| 348 | void resetClock( Clock & clk ) with( clk ) { |
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| 349 | clocktype = CLOCK_REALTIME; |
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| 350 | } // Clock::resetClock |
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| 351 | |
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| 352 | void resetClock( Clock & clk, Duration adj ) with( clk ) { |
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| 353 | clocktype = -1; |
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| 354 | Duration tz = (timeval){ timezone, 0 }; |
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| 355 | offset = adj + tz; |
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| 356 | } // resetClock |
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| 357 | |
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| 358 | void ?{}( Clock & clk ) { |
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| 359 | resetClock( clk ); |
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| 360 | } // Clock |
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| 361 | |
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| 362 | void ?{}( Clock & clk, Duration adj ) { |
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| 363 | resetClock( clk, adj ); |
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| 364 | } // Clock |
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| 365 | |
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| 366 | Duration getRes() { |
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| 367 | struct timespec res; |
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| 368 | clock_getres( CLOCK_REALTIME, &res ); |
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| 369 | return (Duration){ res }; |
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| 370 | } // getRes |
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| 371 | |
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| 372 | Time getTime() { |
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| 373 | timespec curr; |
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| 374 | clock_gettime( CLOCK_REALTIME_COARSE, &curr ); |
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| 375 | return (Time){ curr }; |
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| 376 | } // getTime |
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| 377 | |
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| 378 | Time getTime( Clock & clk ) with( clk ) { |
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| 379 | return getTime() + offset; |
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| 380 | } // getTime |
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| 381 | |
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| 382 | Time ?()( Clock & clk ) with( clk ) { // alternative syntax |
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| 383 | return getTime() + offset; |
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| 384 | } // getTime |
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| 385 | |
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| 386 | timeval getTime( Clock & clk ) { |
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| 387 | return (timeval){ clk() }; |
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| 388 | } // getTime |
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| 389 | |
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| 390 | tm getTime( Clock & clk ) with( clk ) { |
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| 391 | tm ret; |
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| 392 | localtime_r( getTime( clk ).tv_sec, &ret ); |
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| 393 | return ret; |
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| 394 | } // getTime |
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| 395 | |
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| 396 | // Local Variables: // |
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| 397 | // mode: c // |
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| 398 | // tab-width: 4 // |
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| 399 | // End: // |
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| 400 | |
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