X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-visitor-generate-io-struct.c;h=bdb5c68d6cfaa45ec3395fc7ad408eb23ff9792a;hp=640b8fdff7c1ae6dc5095735328b2224972a1c79;hb=43f9090cab93646a1651720ecc1c52758cae7795;hpb=d3006d919ab4edb157e48083fe663f19502122c1

diff --git a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c
index 640b8fdf..bdb5c68d 100644
--- a/formats/ctf/metadata/ctf-visitor-generate-io-struct.c
+++ b/formats/ctf/metadata/ctf-visitor-generate-io-struct.c
@@ -468,6 +468,13 @@ int ctf_variant_type_declarators_visit(FILE *fd, int depth,
 			fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__);
 			return -EINVAL;
 		}
+
+		if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) {
+			fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name));
+			return -EINVAL;
+		}
+
+
 		untagged_variant_declaration_add_field(untagged_variant_declaration,
 					      g_quark_to_string(field_name),
 					      field_declaration);