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* NEWS: Coalesce discussions of zdump, localtime_rz, and localtime_r.

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Paul Eggert
2014-08-26 01:33:06 -07:00
parent bdad90f18f
commit c0e8e15430
1 changed files with 5 additions and 5 deletions
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10
NEWS
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@@ -52,10 +52,6 @@ Unreleased, experimental changes
Although not needed for tz's own applications, which are single-threaded, Although not needed for tz's own applications, which are single-threaded,
this supports POSIX better if the tz library is used in multithreaded apps. this supports POSIX better if the tz library is used in multithreaded apps.
zdump now uses localtime_r and tzset if available, as this is a
bit cleaner and faster than plain localtime. Compile with
-DHAVE_LOCALTIME_R=0 and/or -DHAVE_TZSET=0 if your system lacks them.
Unless NETBSD_INSPIRED is defined to 0, the tz library now supplies Unless NETBSD_INSPIRED is defined to 0, the tz library now supplies
functions that let callers create and use objects representing time zones. functions that let callers create and use objects representing time zones.
This is intended for applications that need to deal with many time This is intended for applications that need to deal with many time
@@ -89,7 +85,11 @@ Unreleased, experimental changes
zdump now uses localtime_rz if available, as it's significantly faster. zdump now uses localtime_rz if available, as it's significantly faster.
Define HAVE_LOCALTIME_RZ to 0 to suppress this. HAVE_LOCALTIME_TZ Define HAVE_LOCALTIME_RZ to 0 to suppress this. HAVE_LOCALTIME_TZ
defaults to 1 if NETBSD_INSPIRED && USE_LTZ. defaults to 1 if NETBSD_INSPIRED && USE_LTZ. When localtime_rz is
not available, zdump now uses localtime_r and tzset if available,
as this is a bit cleaner and faster than plain localtime. Compile
with -DHAVE_LOCALTIME_R=0 and/or -DHAVE_TZSET=0 if your system
lacks these two functions.
tzselect -c now uses a hybrid distance measure that works better tzselect -c now uses a hybrid distance measure that works better
in Africa. (Thanks to Alan Barrett for noting the problem.) in Africa. (Thanks to Alan Barrett for noting the problem.)