X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Futils.c;h=febf2305826a5ce31c7033e111457aae5040618c;hb=9b7cbebd7d78c0950c84cd834ce15d3298d997e6;hp=f84859fc621645aea1939d7c04648c7ac729682a;hpb=ab5be9fa2eb5ba9600a82cd18fd3cfcbac69169a;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index f84859fc6..febf23058 100644
--- a/src/bin/lttng-sessiond/utils.c
+++ b/src/bin/lttng-sessiond/utils.c
@@ -98,3 +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 *lttng_filter_bytecode_copy(
+		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;
+}