| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/bash/src/include/stat-time.h |
| Source code | Switch to Preprocessed file |
| Line | Source | Count |
|---|---|---|
| 1 | /* stat-related time functions. | - |
| 2 | - | |
| 3 | Copyright (C) 2005, 2007, 2009-2012 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 <http://www.gnu.org/licenses/>. */ | - |
| 17 | - | |
| 18 | /* Written by Paul Eggert. */ | - |
| 19 | - | |
| 20 | #ifndef STAT_TIME_H | - |
| 21 | #define STAT_TIME_H 1 | - |
| 22 | - | |
| 23 | #include <sys/stat.h> | - |
| 24 | - | |
| 25 | #if defined (TIME_H_DEFINES_STRUCT_TIMESPEC) | - |
| 26 | # include <time.h> | - |
| 27 | #elif defined (SYS_TIME_H_DEFINES_STRUCT_TIMESPEC) | - |
| 28 | # include <sys/time.h> | - |
| 29 | #elif defined (PTHREAD_H_DEFINES_STRUCT_TIMESPEC) | - |
| 30 | # include <pthread.h> | - |
| 31 | #endif | - |
| 32 | - | |
| 33 | #ifndef HAVE_STRUCT_TIMESPEC | - |
| 34 | struct timespec | - |
| 35 | { | - |
| 36 | time_t tv_sec; | - |
| 37 | long int tv_nsec; | - |
| 38 | }; | - |
| 39 | #endif | - |
| 40 | - | |
| 41 | /* STAT_TIMESPEC (ST, ST_XTIM) is the ST_XTIM member for *ST of type | - |
| 42 | struct timespec, if available. If not, then STAT_TIMESPEC_NS (ST, | - |
| 43 | ST_XTIM) is the nanosecond component of the ST_XTIM member for *ST, | - |
| 44 | if available. ST_XTIM can be st_atim, st_ctim, st_mtim, or st_birthtim | - |
| 45 | for access, status change, data modification, or birth (creation) | - |
| 46 | time respectively. | - |
| 47 | - | |
| 48 | These macros are private to stat-time.h. */ | - |
| 49 | #if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC | - |
| 50 | # ifdef TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC | - |
| 51 | # define STAT_TIMESPEC(st, st_xtim) ((st)->st_xtim) | - |
| 52 | # else | - |
| 53 | # define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim.tv_nsec) | - |
| 54 | # endif | - |
| 55 | #elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC | - |
| 56 | # define STAT_TIMESPEC(st, st_xtim) ((st)->st_xtim##espec) | - |
| 57 | #elif defined HAVE_STRUCT_STAT_ST_ATIMENSEC | - |
| 58 | # define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim##ensec) | - |
| 59 | #elif defined HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC | - |
| 60 | # define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim.st__tim.tv_nsec) | - |
| 61 | #endif | - |
| 62 | - | |
| 63 | /* Return the nanosecond component of *ST's access time. */ | - |
| 64 | static inline long int | - |
| 65 | get_stat_atime_ns (struct stat const *st) | - |
| 66 | { | - |
| 67 | # if defined STAT_TIMESPEC | - |
| 68 | return STAT_TIMESPEC (st, st_atim).tv_nsec; never executed: return ((st)->st_atim).tv_nsec; | 0 |
| 69 | # elif defined STAT_TIMESPEC_NS | - |
| 70 | return STAT_TIMESPEC_NS (st, st_atim); | - |
| 71 | # else | - |
| 72 | return 0; | - |
| 73 | # endif | - |
| 74 | } | - |
| 75 | - | |
| 76 | /* Return the nanosecond component of *ST's status change time. */ | - |
| 77 | static inline long int | - |
| 78 | get_stat_ctime_ns (struct stat const *st) | - |
| 79 | { | - |
| 80 | # if defined STAT_TIMESPEC | - |
| 81 | return STAT_TIMESPEC (st, st_ctim).tv_nsec; never executed: return ((st)->st_ctim).tv_nsec; | 0 |
| 82 | # elif defined STAT_TIMESPEC_NS | - |
| 83 | return STAT_TIMESPEC_NS (st, st_ctim); | - |
| 84 | # else | - |
| 85 | return 0; | - |
| 86 | # endif | - |
| 87 | } | - |
| 88 | - | |
| 89 | /* Return the nanosecond component of *ST's data modification time. */ | - |
| 90 | static inline long int | - |
| 91 | get_stat_mtime_ns (struct stat const *st) | - |
| 92 | { | - |
| 93 | # if defined STAT_TIMESPEC | - |
| 94 | return STAT_TIMESPEC (st, st_mtim).tv_nsec; never executed: return ((st)->st_mtim).tv_nsec; | 0 |
| 95 | # elif defined STAT_TIMESPEC_NS | - |
| 96 | return STAT_TIMESPEC_NS (st, st_mtim); | - |
| 97 | # else | - |
| 98 | return 0; | - |
| 99 | # endif | - |
| 100 | } | - |
| 101 | - | |
| 102 | /* Return the nanosecond component of *ST's birth time. */ | - |
| 103 | static inline long int | - |
| 104 | get_stat_birthtime_ns (struct stat const *st) | - |
| 105 | { | - |
| 106 | # if defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC | - |
| 107 | return STAT_TIMESPEC (st, st_birthtim).tv_nsec; | - |
| 108 | # elif defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC | - |
| 109 | return STAT_TIMESPEC_NS (st, st_birthtim); | - |
| 110 | # else | - |
| 111 | /* Avoid a "parameter unused" warning. */ | - |
| 112 | (void) st; | - |
| 113 | return 0; never executed: return 0; | 0 |
| 114 | # endif | - |
| 115 | } | - |
| 116 | - | |
| 117 | /* Return *ST's access time. */ | - |
| 118 | static inline struct timespec | - |
| 119 | get_stat_atime (struct stat const *st) | - |
| 120 | { | - |
| 121 | #ifdef STAT_TIMESPEC | - |
| 122 | return STAT_TIMESPEC (st, st_atim); never executed: return ((st)->st_atim); | 0 |
| 123 | #else | - |
| 124 | struct timespec t; | - |
| 125 | t.tv_sec = st->st_atime; | - |
| 126 | t.tv_nsec = get_stat_atime_ns (st); | - |
| 127 | return t; | - |
| 128 | #endif | - |
| 129 | } | - |
| 130 | - | |
| 131 | /* Return *ST's status change time. */ | - |
| 132 | static inline struct timespec | - |
| 133 | get_stat_ctime (struct stat const *st) | - |
| 134 | { | - |
| 135 | #ifdef STAT_TIMESPEC | - |
| 136 | return STAT_TIMESPEC (st, st_ctim); never executed: return ((st)->st_ctim); | 0 |
| 137 | #else | - |
| 138 | struct timespec t; | - |
| 139 | t.tv_sec = st->st_ctime; | - |
| 140 | t.tv_nsec = get_stat_ctime_ns (st); | - |
| 141 | return t; | - |
| 142 | #endif | - |
| 143 | } | - |
| 144 | - | |
| 145 | /* Return *ST's data modification time. */ | - |
| 146 | static inline struct timespec | - |
| 147 | get_stat_mtime (struct stat const *st) | - |
| 148 | { | - |
| 149 | #ifdef STAT_TIMESPEC | - |
| 150 | return STAT_TIMESPEC (st, st_mtim); executed 15 times by 1 test: return ((st)->st_mtim);Executed by:
| 15 |
| 151 | #else | - |
| 152 | struct timespec t; | - |
| 153 | t.tv_sec = st->st_mtime; | - |
| 154 | t.tv_nsec = get_stat_mtime_ns (st); | - |
| 155 | return t; | - |
| 156 | #endif | - |
| 157 | } | - |
| 158 | - | |
| 159 | static inline int | - |
| 160 | timespec_cmp (struct timespec a, struct timespec b) | - |
| 161 | { | - |
| 162 | return (a.tv_sec < b.tv_sec executed 4 times by 1 test: return (a.tv_sec < b.tv_sec ? -1 : (a.tv_sec > b.tv_sec ? 1 : (int) (a.tv_nsec - b.tv_nsec)));Executed by:
| 4 |
| 163 | ? -1 executed 4 times by 1 test: return (a.tv_sec < b.tv_sec ? -1 : (a.tv_sec > b.tv_sec ? 1 : (int) (a.tv_nsec - b.tv_nsec)));Executed by:
| 4 |
| 164 | : (a.tv_sec > b.tv_sec executed 4 times by 1 test: return (a.tv_sec < b.tv_sec ? -1 : (a.tv_sec > b.tv_sec ? 1 : (int) (a.tv_nsec - b.tv_nsec)));Executed by:
| 4 |
| 165 | ? 1 executed 4 times by 1 test: return (a.tv_sec < b.tv_sec ? -1 : (a.tv_sec > b.tv_sec ? 1 : (int) (a.tv_nsec - b.tv_nsec)));Executed by:
| 4 |
| 166 | : (int) (a.tv_nsec - b.tv_nsec))); executed 4 times by 1 test: return (a.tv_sec < b.tv_sec ? -1 : (a.tv_sec > b.tv_sec ? 1 : (int) (a.tv_nsec - b.tv_nsec)));Executed by:
| 4 |
| 167 | } | - |
| 168 | - | |
| 169 | /* Return *ST's birth time, if available; otherwise return a value | - |
| 170 | with tv_sec and tv_nsec both equal to -1. */ | - |
| 171 | static inline struct timespec | - |
| 172 | get_stat_birthtime (struct stat const *st) | - |
| 173 | { | - |
| 174 | struct timespec t; | - |
| 175 | - | |
| 176 | #if (defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC \ | - |
| 177 | || defined HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC) | - |
| 178 | t = STAT_TIMESPEC (st, st_birthtim); | - |
| 179 | #elif defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC | - |
| 180 | t.tv_sec = st->st_birthtime; | - |
| 181 | t.tv_nsec = st->st_birthtimensec; | - |
| 182 | #elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ | - |
| 183 | /* Native Windows platforms (but not Cygwin) put the "file creation | - |
| 184 | time" in st_ctime (!). See | - |
| 185 | <http://msdn2.microsoft.com/de-de/library/14h5k7ff(VS.80).aspx>. */ | - |
| 186 | t.tv_sec = st->st_ctime; | - |
| 187 | t.tv_nsec = 0; | - |
| 188 | #else | - |
| 189 | /* Birth time is not supported. */ | - |
| 190 | t.tv_sec = -1; | - |
| 191 | t.tv_nsec = -1; | - |
| 192 | /* Avoid a "parameter unused" warning. */ | - |
| 193 | (void) st; | - |
| 194 | #endif | - |
| 195 | - | |
| 196 | #if (defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC \ | - |
| 197 | || defined HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC \ | - |
| 198 | || defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC) | - |
| 199 | /* FreeBSD and NetBSD sometimes signal the absence of knowledge by | - |
| 200 | using zero. Attempt to work around this problem. Alas, this can | - |
| 201 | report failure even for valid time stamps. Also, NetBSD | - |
| 202 | sometimes returns junk in the birth time fields; work around this | - |
| 203 | bug if it is detected. */ | - |
| 204 | if (! (t.tv_sec && 0 <= t.tv_nsec && t.tv_nsec < 1000000000)) | - |
| 205 | { | - |
| 206 | t.tv_sec = -1; | - |
| 207 | t.tv_nsec = -1; | - |
| 208 | } | - |
| 209 | #endif | - |
| 210 | - | |
| 211 | return t; never executed: return t; | 0 |
| 212 | } | - |
| 213 | - | |
| 214 | #endif | - |
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