1 files changed, 15 insertions, 0 deletions
diff --git a/parse-options.c b/parse-options.c
index c83035d013..8546d8526f 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -659,3 +659,18 @@ int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
 	*target = unset ? 2 : 1;
 	return 0;
 }
+
+int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
+{
+	int i, j;
+
+	for (i = 0; i < dst_size; i++)
+		if (dst[i].type == OPTION_END)
+			break;
+	for (j = 0; i < dst_size; i++, j++) {
+		dst[i] = src[j];
+		if (src[j].type == OPTION_END)
+			return 0;
+	}
+	return -1;
+}