basebackup_to_shell: Check for a NULL return from OpenPipeStream.

robertmhaas · robertmhaas · commit 8e82db97b0a4 · 2023-04-12T11:37:13.000-04:00
Per complaint from Peter Eisentraut. Discussion: http://postgr.es/m/4f1707cc-2432-da35-64a2-5c2a8d92a388@enterprisedb.com
diff --git a/contrib/basebackup_to_shell/basebackup_to_shell.c b/contrib/basebackup_to_shell/basebackup_to_shell.c
@@ -263,6 +263,11 @@ shell_run_command(bbsink_shell *sink, const char *filename)
 
 	/* Run it. */
 	sink->pipe = OpenPipeStream(sink->current_command, PG_BINARY_W);
+	if (sink->pipe == NULL)
+		ereport(ERROR,
+				(errcode_for_file_access(),
+				 errmsg("could not execute command \"%s\": %m",
+						sink->current_command)));
 }
 
 /*
