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Ensure conninfo is a valid C string before closing the connection #710

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Ensure conninfo is a valid C string before closing the connection #710

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5 changes: 4 additions & 1 deletion ext/pg_connection.c
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Original file line number Diff line number Diff line change
Expand Up @@ -568,13 +568,16 @@ static VALUE
pgconn_reset_start2( VALUE self, VALUE conninfo )
{
t_pg_connection *this = pg_get_connection( self );
/* Ensure conninfo is a valid C string before closing the connection. */
char *p_conninfo = StringValueCStr(conninfo);

/* Close old connection */
pgconn_close_socket_io( self );
PQfinish( this->pgconn );
this->pgconn = NULL; /* Ensure no double free can happen. */

/* Start new connection */
this->pgconn = gvl_PQconnectStart( StringValueCStr(conninfo) );
this->pgconn = gvl_PQconnectStart( p_conninfo );

if( this->pgconn == NULL )
rb_raise(rb_ePGerror, "PQconnectStart() unable to allocate PGconn structure");
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