diff options
author | Brad King <brad.king@kitware.com> | 2015-10-08 13:37:37 -0400 |
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committer | Brad King <brad.king@kitware.com> | 2015-10-08 13:37:37 -0400 |
commit | 8d27b407787549a90d47d273a753bb0000e5e73e (patch) | |
tree | ca451d334cd4f68290fd3bfca449c4c38fecf7f0 /Source/cmFileTimeComparison.cxx | |
parent | 0faccb839a75ab94f1ab39681a1ebe567647be6b (diff) | |
download | cmake-8d27b407787549a90d47d273a753bb0000e5e73e.tar.gz |
cmFileTimeComparison: Port to OS X nanosecond times (#15769)
Diffstat (limited to 'Source/cmFileTimeComparison.cxx')
-rw-r--r-- | Source/cmFileTimeComparison.cxx | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Source/cmFileTimeComparison.cxx b/Source/cmFileTimeComparison.cxx index 8d5e08daa7..279b61da9f 100644 --- a/Source/cmFileTimeComparison.cxx +++ b/Source/cmFileTimeComparison.cxx @@ -166,6 +166,24 @@ int cmFileTimeComparisonInternal::Compare(cmFileTimeComparison_Type* s1, { return 1; } +# elif CMake_STAT_HAS_ST_MTIMESPEC + // Compare using nanosecond resolution. + if(s1->st_mtimespec.tv_sec < s2->st_mtimespec.tv_sec) + { + return -1; + } + else if(s1->st_mtimespec.tv_sec > s2->st_mtimespec.tv_sec) + { + return 1; + } + else if(s1->st_mtimespec.tv_nsec < s2->st_mtimespec.tv_nsec) + { + return -1; + } + else if(s1->st_mtimespec.tv_nsec > s2->st_mtimespec.tv_nsec) + { + return 1; + } # else // Compare using 1 second resolution. if(s1->st_mtime < s2->st_mtime) @@ -207,6 +225,23 @@ bool cmFileTimeComparisonInternal::TimesDiffer(cmFileTimeComparison_Type* s1, { return false; } +# elif CMake_STAT_HAS_ST_MTIMESPEC + // Times are integers in units of 1ns. + long long bil = 1000000000; + long long t1 = s1->st_mtimespec.tv_sec * bil + s1->st_mtimespec.tv_nsec; + long long t2 = s2->st_mtimespec.tv_sec * bil + s2->st_mtimespec.tv_nsec; + if(t1 < t2) + { + return (t2 - t1) >= bil; + } + else if(t2 < t1) + { + return (t1 - t2) >= bil; + } + else + { + return false; + } # else // Times are integers in units of 1s. if(s1->st_mtime < s2->st_mtime) |