diff options
| author | Peter Eisentraut <peter@eisentraut.org> | 2022-07-03 20:11:05 +0200 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2022-07-03 20:11:05 +0200 |
| commit | 5faef9d582012433db9ad05af27a77bd591508e1 (patch) | |
| tree | f3ace999fcaf45d69c3eb8428d3afc4819316530 /doc/src | |
| parent | 02c408e21a6e78ff246ea7a1beb4669634fa9c4c (diff) | |
Remove redundant null pointer checks before PQclear and PQconninfoFree
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
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/libpq.sgml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml index 37ec3cb4e5f..74456aa69d7 100644 --- a/doc/src/sgml/libpq.sgml +++ b/doc/src/sgml/libpq.sgml @@ -3628,6 +3628,9 @@ char *PQresultErrorField(const PGresult *res, int fieldcode); <synopsis> void PQclear(PGresult *res); </synopsis> + + If the argument is a <symbol>NULL</symbol> pointer, no operation is + performed. </para> <para> @@ -6670,6 +6673,8 @@ void PQfreemem(void *ptr); <synopsis> void PQconninfoFree(PQconninfoOption *connOptions); </synopsis> + If the argument is a <symbol>NULL</symbol> pointer, no operation is + performed. </para> <para> |