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Remove redundant null pointer checks before PQclear and PQconninfoFree

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These functions already had the free()-like behavior of handling null
pointers as a no-op.  But it wasn't documented, so add it explicitly
to the documentation, too.

Discussion: https://www.postgresql.org/message-id/flat/dac5d2d0-98f5-94d9-8e69-46da2413593d%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-07-03 20:11:05 +02:00
parent 02c408e21a
commit 5faef9d582
13 changed files with 29 additions and 48 deletions
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3
src/bin/psql/command.c
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@ -3476,8 +3476,7 @@ do_connect(enum trivalue reuse_previous_specification,
/* Release locally allocated data, whether we succeeded or not */
pg_free(password);
if (cinfo)
PQconninfoFree(cinfo);
PQconninfoFree(cinfo);
if (!success)
{