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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-04 12:26:25 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2018-05-04 12:26:34 -0400 |
| commit | b49f4e69a9bb54c743ea2101bee79d06aa438772 (patch) | |
| tree | a8aba86d95a395a3123a1bfae2815f627aec62e8 /src/timezone/localtime.c | |
| parent | ee492e3dedbdfa6da9303f35b1a85f3b9f1af7a7 (diff) | |
| download | postgresql-b49f4e69a9bb54c743ea2101bee79d06aa438772.tar.gz postgresql-b49f4e69a9bb54c743ea2101bee79d06aa438772.zip | |
Sync our copy of the timezone library with IANA release tzcode2018e.
The non-cosmetic changes involve teaching the "zic" tzdata compiler about
negative DST. While I'm not currently intending that we start using
negative-DST data right away, it seems possible that somebody would try
to use our copy of zic with bleeding-edge IANA data. So we'd better be
out in front of this change code-wise, even though it doesn't matter for
the data file we're shipping.
Discussion: https://postgr.es/m/30996.1525445902@sss.pgh.pa.us
Diffstat (limited to 'src/timezone/localtime.c')
| -rw-r--r-- | src/timezone/localtime.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/timezone/localtime.c b/src/timezone/localtime.c index 2b5b3a924fe..31b06b037f4 100644 --- a/src/timezone/localtime.c +++ b/src/timezone/localtime.c @@ -60,9 +60,8 @@ static int tzdefrules_loaded = 0; /* * The DST rules to use if TZ has no rules and we can't load TZDEFRULES. * Default to US rules as of 2017-05-07. - * POSIX 1003.1 section 8.1.1 says that the default DST rules are - * implementation dependent; for historical reasons, US rules are a - * common default. + * POSIX does not specify the default DST rules; + * for historical reasons, US rules are a common default. */ #define TZDEFRULESTRING ",M3.2.0,M11.1.0" @@ -1158,10 +1157,11 @@ tzparse(const char *name, struct state *sp, bool lastditch) else { /* - * If summer time is in effect, and the transition time - * was not specified as standard time, add the summer time - * offset to the transition time; otherwise, add the - * standard time offset to the transition time. + * If daylight saving time is in effect, and the + * transition time was not specified as standard time, add + * the daylight saving time offset to the transition time; + * otherwise, add the standard time offset to the + * transition time. */ /* |