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pg_upgrade: fix off-by-one mistake in snprintf

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snprintf counts trailing NUL towards the char limit.  Failing to account
for that was causing an invalid value to be passed to pg_resetxlog -l,
aborting the upgrade process.
This commit is contained in:
Alvaro Herrera 2012-06-28 23:37:27 -04:00
parent c1494b7330
commit 9e26326ad6
1 changed files with 1 additions and 1 deletions
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2
contrib/pg_upgrade/controldata.c
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@ -425,7 +425,7 @@ get_control_data(ClusterInfo *cluster, bool live_check)
{
if (got_log_id && got_log_seg)
{
snprintf(cluster->controldata.nextxlogfile, 24, "%08X%08X%08X",
snprintf(cluster->controldata.nextxlogfile, 25, "%08X%08X%08X",
tli, logid, segno);
got_nextxlogfile = true;
}