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Sync our copy of the timezone library with IANA release tzcode2016j.

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This is a trivial update (consisting in fact only in the addition of
a comment).  The point is just to get back to being synced with an
official release of tzcode, rather than some ad-hoc point in their
commit history, which is where commit 1f87181e1 left it.
This commit is contained in:
Tom Lane
2016-12-15 14:32:42 -05:00
parent 5d80171ada
commit ccf24539b6
2 changed files with 6 additions and 1 deletions
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2
src/timezone/README
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@@ -50,7 +50,7 @@ match properly on the old version.
Time Zone code Time Zone code
============== ==============
The code in this directory is currently synced with tzcode release 2016c. The code in this directory is currently synced with tzcode release 2016j.
There are many cosmetic (and not so cosmetic) differences from the There are many cosmetic (and not so cosmetic) differences from the
original tzcode library, but diffs in the upstream version should usually original tzcode library, but diffs in the upstream version should usually
be propagated to our version. Here are some notes about that. be propagated to our version. Here are some notes about that.

5
src/timezone/zic.c
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@@ -3646,6 +3646,11 @@ mkdirs(char const * argname, bool ancestors)
*/ */
if (mkdir(name, MKDIR_UMASK) != 0) if (mkdir(name, MKDIR_UMASK) != 0)
{ {
/*
* For speed, skip itsdir if errno == EEXIST. Since mkdirs is
* called only after open fails with ENOENT on a subfile, EEXIST
* implies itsdir here.
*/
int err = errno; int err = errno;
if (err != EEXIST && !itsdir(name)) if (err != EEXIST && !itsdir(name))