X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fevent-field-value.cpp;h=baa3972ff6fba589304dd25febc3de38fd539dba;hb=52e345b9ac912d033c2a2c25a170a01cf209839d;hp=8017fd0814983a8a2009d5d44f5d4e78a1120f92;hpb=0114db0ec2407029052eb61a0189c9b1cd64d520;p=lttng-tools.git

diff --git a/src/common/event-field-value.cpp b/src/common/event-field-value.cpp
index 8017fd081..baa3972ff 100644
--- a/src/common/event-field-value.cpp
+++ b/src/common/event-field-value.cpp
@@ -183,8 +183,16 @@ struct lttng_event_field_value *lttng_event_field_value_string_create_with_size(
 		goto error;
 	}
 
-	LTTNG_ASSERT(val);
-	field_val->val = strndup(val, size);
+	if (size) {
+		LTTNG_ASSERT(val);
+		field_val->val = strndup(val, size);
+	} else {
+		/*
+		 * User code do not expect a NULL string pointer. Populate with
+		 * an empty string when length is 0.
+		 */
+		field_val->val = strdup("");
+	}
 	if (!field_val->val) {
 		goto error;
 	}