mirror of
https://github.com/facebook/sapling.git
synced 2024-10-06 23:07:18 +03:00
9fa292b9ed
Reviewed By: genevievehelsel Differential Revision: D36429182 fbshipit-source-id: 7d355917abf463493c37139856810de13e1090ff
103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <folly/chrono/Conv.h>
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#include <stdint.h>
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#include <time.h>
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#include <chrono>
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namespace facebook::eden {
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/** Helper for accessing the `atime` field of a `struct stat` as a timespec.
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* Linux and macOS have different names for this field. */
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inline struct timespec stAtime(const struct stat& st) {
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#ifdef __APPLE__
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return st.st_atimespec;
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#elif defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
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_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
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return st.st_atim;
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#else
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struct timespec ts;
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ts.tv_sec = st.st_atime;
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ts.tv_nsec = 0;
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return ts;
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#endif
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}
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/** Helper for accessing the `mtime` field of a `struct stat` as a timespec.
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* Linux and macOS have different names for this field. */
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inline struct timespec stMtime(const struct stat& st) {
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#ifdef __APPLE__
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return st.st_mtimespec;
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#elif defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
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_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
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return st.st_mtim;
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#else
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struct timespec ts;
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ts.tv_sec = st.st_mtime;
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ts.tv_nsec = 0;
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return ts;
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#endif
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}
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/** Helper for setting the `mtime` field of a `struct stat` as a timespec.
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* Linux and macOS have different names for this field. */
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inline void stMtime(struct stat& st, struct timespec ts) {
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#ifdef __APPLE__
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st.st_mtimespec = ts;
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#elif defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
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_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
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st.st_mtim = ts;
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#else
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st.st_mtime = ts.tv_sec;
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#endif
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}
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/** Helper for accessing the `ctime` field of a `struct stat` as a timespec.
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* Linux and macOS have different names for this field. */
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inline struct timespec stCtime(const struct stat& st) {
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#ifdef __APPLE__
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return st.st_ctimespec;
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#elif defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
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_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
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return st.st_ctim;
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#else
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struct timespec ts;
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ts.tv_sec = st.st_ctime;
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ts.tv_nsec = 0;
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return ts;
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#endif
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}
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/**
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* Access stat atime as a system_clock::time_point.
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*/
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inline std::chrono::system_clock::time_point stAtimepoint(
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const struct stat& st) {
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return folly::to<std::chrono::system_clock::time_point>(stAtime(st));
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}
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/**
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* Access stat mtime as a system_clock::time_point.
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*/
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inline std::chrono::system_clock::time_point stCtimepoint(
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const struct stat& st) {
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return folly::to<std::chrono::system_clock::time_point>(stCtime(st));
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}
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/**
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* Access stat ctime as a system_clock::time_point.
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*/
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inline std::chrono::system_clock::time_point stMtimepoint(
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const struct stat& st) {
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return folly::to<std::chrono::system_clock::time_point>(stMtime(st));
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}
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} // namespace facebook::eden
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