X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Futils.c;h=2ae586b512a7117c4ed5d761c84a93283ad679c2;hp=978af5883e2fe0b532897379ca0bd3486ddf7e3b;hb=refs%2Fheads%2Fsow-2019-0002-rev1;hpb=348a81dcf7b6944b10a813d93dcaf86fdb5194f6

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index 978af5883..2ae586b51 100644
--- a/src/bin/lttng-sessiond/utils.c
+++ b/src/bin/lttng-sessiond/utils.c
@@ -1,19 +1,9 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #define _LGPL_SOURCE
@@ -108,3 +98,26 @@ const char *consumer_output_get_base_path(const struct consumer_output *output)
 			output->dst.session_root_path :
 			output->dst.net.base_dir;
 }
+
+/*
+ * Allocate a filter and copy the given original filter.
+ *
+ * Return allocated filter or NULL on error.
+ */
+struct lttng_filter_bytecode *copy_filter_bytecode(
+		const struct lttng_filter_bytecode *orig_f)
+{
+	struct lttng_filter_bytecode *filter = NULL;
+
+	/* Copy filter bytecode */
+	filter = zmalloc(sizeof(*filter) + orig_f->len);
+	if (!filter) {
+		PERROR("zmalloc alloc filter bytecode");
+		goto error;
+	}
+
+	memcpy(filter, orig_f, sizeof(*filter) + orig_f->len);
+
+error:
+	return filter;
+}