| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/xtime.h |
| Source code | Switch to Preprocessed file |
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| 1 | /* xtime -- extended-resolution integer timestamps | - | ||||||
| 2 | - | |||||||
| 3 | Copyright (C) 2005-2006, 2009-2018 Free Software Foundation, Inc. | - | ||||||
| 4 | - | |||||||
| 5 | This program is free software: you can redistribute it and/or modify | - | ||||||
| 6 | it under the terms of the GNU General Public License as published by | - | ||||||
| 7 | the Free Software Foundation; either version 3 of the License, or | - | ||||||
| 8 | (at your option) any later version. | - | ||||||
| 9 | - | |||||||
| 10 | This program is distributed in the hope that it will be useful, | - | ||||||
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | - | ||||||
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | - | ||||||
| 13 | GNU General Public License for more details. | - | ||||||
| 14 | - | |||||||
| 15 | You should have received a copy of the GNU General Public License | - | ||||||
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | - | ||||||
| 17 | - | |||||||
| 18 | /* Written by Paul Eggert. */ | - | ||||||
| 19 | - | |||||||
| 20 | #ifndef XTIME_H_ | - | ||||||
| 21 | #define XTIME_H_ 1 | - | ||||||
| 22 | - | |||||||
| 23 | #ifndef _GL_INLINE_HEADER_BEGIN | - | ||||||
| 24 | #error "Please include config.h first." | - | ||||||
| 25 | #endif | - | ||||||
| 26 | _GL_INLINE_HEADER_BEGIN | - | ||||||
| 27 | #ifndef XTIME_INLINE | - | ||||||
| 28 | # define XTIME_INLINE _GL_INLINE | - | ||||||
| 29 | #endif | - | ||||||
| 30 | - | |||||||
| 31 | /* xtime_t is a signed type used for timestamps. It is an integer | - | ||||||
| 32 | type that is a count of nanoseconds -- except for obsolescent hosts | - | ||||||
| 33 | without sufficiently-wide integers, where it is a count of | - | ||||||
| 34 | seconds. */ | - | ||||||
| 35 | #if HAVE_LONG_LONG_INT | - | ||||||
| 36 | typedef long long int xtime_t; | - | ||||||
| 37 | # define XTIME_PRECISION 1000000000 | - | ||||||
| 38 | #else | - | ||||||
| 39 | # include <limits.h> | - | ||||||
| 40 | typedef long int xtime_t; | - | ||||||
| 41 | # if LONG_MAX >> 31 >> 31 == 0 | - | ||||||
| 42 | # define XTIME_PRECISION 1 | - | ||||||
| 43 | # else | - | ||||||
| 44 | # define XTIME_PRECISION 1000000000 | - | ||||||
| 45 | # endif | - | ||||||
| 46 | #endif | - | ||||||
| 47 | - | |||||||
| 48 | #ifdef __cplusplus | - | ||||||
| 49 | extern "C" { | - | ||||||
| 50 | #endif | - | ||||||
| 51 | - | |||||||
| 52 | /* Return an extended time value that contains S seconds and NS | - | ||||||
| 53 | nanoseconds, without any overflow checking. */ | - | ||||||
| 54 | XTIME_INLINE xtime_t | - | ||||||
| 55 | xtime_make (xtime_t s, long int ns) | - | ||||||
| 56 | { | - | ||||||
| 57 | if (XTIME_PRECISION == 1)
| 0-778 | ||||||
| 58 | return s; never executed: return s; | 0 | ||||||
| 59 | else | - | ||||||
| 60 | return XTIME_PRECISION * s + ns; executed 778 times by 1 test: return 1000000000 * s + ns;Executed by:
| 778 | ||||||
| 61 | } | - | ||||||
| 62 | - | |||||||
| 63 | /* Return the number of seconds in T, which must be nonnegative. */ | - | ||||||
| 64 | XTIME_INLINE xtime_t | - | ||||||
| 65 | xtime_nonnegative_sec (xtime_t t) | - | ||||||
| 66 | { | - | ||||||
| 67 | return t / XTIME_PRECISION; never executed: return t / 1000000000; | 0 | ||||||
| 68 | } | - | ||||||
| 69 | - | |||||||
| 70 | /* Return the number of seconds in T. */ | - | ||||||
| 71 | XTIME_INLINE xtime_t | - | ||||||
| 72 | xtime_sec (xtime_t t) | - | ||||||
| 73 | { | - | ||||||
| 74 | return (XTIME_PRECISION == 1 never executed: return (1000000000 == 1 ? t : t < 0 ? (t + 1000000000 - 1) / 1000000000 - 1 : xtime_nonnegative_sec (t)); | 0 | ||||||
| 75 | ? t never executed: return (1000000000 == 1 ? t : t < 0 ? (t + 1000000000 - 1) / 1000000000 - 1 : xtime_nonnegative_sec (t)); | 0 | ||||||
| 76 | : t < 0 never executed: return (1000000000 == 1 ? t : t < 0 ? (t + 1000000000 - 1) / 1000000000 - 1 : xtime_nonnegative_sec (t)); | 0 | ||||||
| 77 | ? (t + XTIME_PRECISION - 1) / XTIME_PRECISION - 1 never executed: return (1000000000 == 1 ? t : t < 0 ? (t + 1000000000 - 1) / 1000000000 - 1 : xtime_nonnegative_sec (t)); | 0 | ||||||
| 78 | : xtime_nonnegative_sec (t)); never executed: return (1000000000 == 1 ? t : t < 0 ? (t + 1000000000 - 1) / 1000000000 - 1 : xtime_nonnegative_sec (t)); | 0 | ||||||
| 79 | } | - | ||||||
| 80 | - | |||||||
| 81 | /* Return the number of nanoseconds in T, which must be nonnegative. */ | - | ||||||
| 82 | XTIME_INLINE long int | - | ||||||
| 83 | xtime_nonnegative_nsec (xtime_t t) | - | ||||||
| 84 | { | - | ||||||
| 85 | return t % XTIME_PRECISION; never executed: return t % 1000000000; | 0 | ||||||
| 86 | } | - | ||||||
| 87 | - | |||||||
| 88 | /* Return the number of nanoseconds in T. */ | - | ||||||
| 89 | XTIME_INLINE long int | - | ||||||
| 90 | xtime_nsec (xtime_t t) | - | ||||||
| 91 | { | - | ||||||
| 92 | long int ns = t % XTIME_PRECISION; | - | ||||||
| 93 | if (ns < 0)
| 0 | ||||||
| 94 | ns += XTIME_PRECISION; never executed: ns += 1000000000; | 0 | ||||||
| 95 | return ns; never executed: return ns; | 0 | ||||||
| 96 | } | - | ||||||
| 97 | - | |||||||
| 98 | #ifdef __cplusplus | - | ||||||
| 99 | } | - | ||||||
| 100 | #endif | - | ||||||
| 101 | - | |||||||
| 102 | #endif | - | ||||||
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