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author | Bruno Haible <bruno@clisp.org> | 2017-05-13 02:51:05 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2017-05-13 02:51:54 +0200 |
commit | 7d2f35f7f976cc29baf22fd0d4d1d58fc870ce64 (patch) | |
tree | 5dc742225bf9ac0b554ff0dbd64e6ced0ea748ef /doc/windows-stat-timespec.texi | |
parent | 44fe2082cf3e604bf0b4fe7259d1edb7cce334da (diff) | |
download | gnulib-7d2f35f7f976cc29baf22fd0d4d1d58fc870ce64.tar.gz |
windows-stat-timespec: New module.
* modules/windows-stat-timespec: New file.
* m4/windows-stat-timespec.m4: New file.
* m4/sys_stat_h.m4 (gl_HEADER_SYS_STAT_H): Set WINDOWS_STAT_TIMESPEC.
* modules/sys_stat (Makefile.am): Substitute WINDOWS_STAT_TIMESPEC.
* lib/sys_stat.in.h (struct stat) [WINDOWS_STAT_TIMESPEC]: Declare with
fields st_atim, st_mtim, st_ctim.
(st_atime, st_mtime, st_ctime): Define as macros.
(_GL_WINDOWS_STAT_TIMESPEC): New macro.
* lib/stat-w32.h (_gl_convert_FILETIME_to_timespec)
[_GL_WINDOWS_STAT_TIMESPEC]: New declaration.
* lib/stat-w32.c (_gl_convert_FILETIME_to_timespec)
[_GL_WINDOWS_STAT_TIMESPEC]: New function.
(_gl_convert_FILETIME_to_POSIX): Adjust coding style.
(_gl_fstat_by_handle): If _GL_WINDOWS_STAT_TIMESPEC, convert the
FILETIME to 'struct timespec', not 'time_t'.
* lib/stat.c (rpl_stat): If _GL_WINDOWS_STAT_TIMESPEC, convert the
FILETIME to 'struct timespec', not 'time_t'.
* lib/stat-time.h (STAT_TIMESPEC): Define also if
_GL_WINDOWS_STAT_TIMESPEC.
* doc/windows-stat-timespec.texi: New file.
* doc/gnulib.texi: Include it.
Diffstat (limited to 'doc/windows-stat-timespec.texi')
-rw-r--r-- | doc/windows-stat-timespec.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/windows-stat-timespec.texi b/doc/windows-stat-timespec.texi new file mode 100644 index 0000000000..8aebafc222 --- /dev/null +++ b/doc/windows-stat-timespec.texi @@ -0,0 +1,13 @@ +@node Precise file timestamps on Windows +@section Precise file timestamps on Windows + +The module @samp{windows-stat-timespec} ensures that, +on native Windows platforms, @code{struct stat} contains +@code{st_atim}, @code{st_mtim}, @code{st_ctim} fields of type +@code{struct timespec}, providing 100 ns resolution for the timestamps +of files. + +Note: On some types of file systems, the timestamp resolution is limited +by the file system. For example, on FAT file systems, @code{st_mtim} +only has a resolution of 2 seconds. For more details, see +@url{https://msdn.microsoft.com/en-us/library/ms724290.aspx}. |