From eb990a2b9efff853d0c68a9cf902b1df23498540 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut
Date: Thu, 15 Mar 2012 21:17:19 +0200
Subject: Add const qualifier to tzn returned by timestamp2tm()

The tzn value might come from tm->tm_zone, which libc declares as
const, so it's prudent that the upper layers know about this as well.
---
 src/include/utils/timestamp.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/include/utils')

diff --git a/src/include/utils/timestamp.h b/src/include/utils/timestamp.h
index 2eae95efac1..56699247668 100644
--- a/src/include/utils/timestamp.h
+++ b/src/include/utils/timestamp.h
@@ -222,7 +222,7 @@ extern const char *timestamptz_to_str(TimestampTz t);
 
 extern int	tm2timestamp(struct pg_tm * tm, fsec_t fsec, int *tzp, Timestamp *dt);
 extern int timestamp2tm(Timestamp dt, int *tzp, struct pg_tm * tm,
-			 fsec_t *fsec, char **tzn, pg_tz *attimezone);
+			 fsec_t *fsec, const char **tzn, pg_tz *attimezone);
 extern void dt2time(Timestamp dt, int *hour, int *min, int *sec, fsec_t *fsec);
 
 extern int	interval2tm(Interval span, struct pg_tm * tm, fsec_t *fsec);
-- 
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