40 lines
1.9 KiB
Diff
40 lines
1.9 KiB
Diff
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2ff54ad7478a90bd75c91e434236a Mon Sep 17 00:00:00 2001
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From: makepost <makepost@firemail.cc>
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Date: Mon, 24 Dec 2018 03:13:16 +0200
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Subject: [PATCH] Use st_mtim if st_mtime is macro, fix #1510
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In POSIX.1-2008, sys_stat has a st_mtim member and a st_mtime backward
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compatibility macro. Should help avoid hardcoding platform detection.
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---
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src/disk_interface.cc | 14 ++++----------
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1 file changed, 4 insertions(+), 10 deletions(-)
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diff --git a/src/disk_interface.cc b/src/disk_interface.cc
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index d4c2fb087..dc297c449 100644
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--- src/disk_interface.cc
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+++ /src/disk_interface.cc
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@@ -202,19 +202,13 @@ TimeStamp RealDiskInterface::Stat(const string& path, string* err) const {
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// that it doesn't exist.
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if (st.st_mtime == 0)
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return 1;
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-#if defined(__APPLE__) && !defined(_POSIX_C_SOURCE)
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+#if defined(_AIX)
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+ return (int64_t)st.st_mtime * 1000000000LL + st.st_mtime_n;
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+#elif defined(__APPLE__)
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return ((int64_t)st.st_mtimespec.tv_sec * 1000000000LL +
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st.st_mtimespec.tv_nsec);
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-#elif (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 || defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
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- defined(__BIONIC__) || (defined (__SVR4) && defined (__sun)) || defined(__FreeBSD__))
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- // For glibc, see "Timestamp files" in the Notes of http://www.kernel.org/doc/man-pages/online/pages/man2/stat.2.html
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- // newlib, uClibc and musl follow the kernel (or Cygwin) headers and define the right macro values above.
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- // For bsd, see https://github.com/freebsd/freebsd/blob/master/sys/sys/stat.h and similar
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- // For bionic, C and POSIX API is always enabled.
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- // For solaris, see https://docs.oracle.com/cd/E88353_01/html/E37841/stat-2.html.
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+#elif defined(st_mtime) // A macro, so we're likely on modern POSIX.
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return (int64_t)st.st_mtim.tv_sec * 1000000000LL + st.st_mtim.tv_nsec;
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-#elif defined(_AIX)
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- return (int64_t)st.st_mtime * 1000000000LL + st.st_mtime_n;
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#else
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return (int64_t)st.st_mtime * 1000000000LL + st.st_mtimensec;
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#endif
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