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Simplify printing of LSNs

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Add a macro LSN_FORMAT_ARGS for use in printf-style printing of LSNs.
Convert all applicable code to use it.

Reviewed-by: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://www.postgresql.org/message-id/flat/CAExHW5ub5NaTELZ3hJUCE6amuvqAtsSxc7O+uK7y4t9Rrk23cw@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2021-02-23 10:14:38 +01:00
parent ade89ba5f4
commit 6f6f284c7e
36 changed files with 212 additions and 308 deletions
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8
src/backend/utils/adt/pg_lsn.c
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@@ -83,14 +83,8 @@ pg_lsn_out(PG_FUNCTION_ARGS)
XLogRecPtr lsn = PG_GETARG_LSN(0);
char buf[MAXPG_LSNLEN + 1];
char *result;
uint32 id,
off;
/* Decode ID and offset */
id = (uint32) (lsn >> 32);
off = (uint32) lsn;
snprintf(buf, sizeof buf, "%X/%X", id, off);
snprintf(buf, sizeof buf, "%X/%X", LSN_FORMAT_ARGS(lsn));
result = pstrdup(buf);
PG_RETURN_CSTRING(result);
}