The right implementation of CGPT label conversion between UTF8 and UTF16.

cgpt/cmd_add.c

Index: cgpt/cmd_add.c
diff --git a/cgpt/cmd_add.c b/cgpt/cmd_add.c
index dafcc50fba85258221cf06af5bb78e946395a365..81b0dfa10cfee06ade1903e2e162802909687a45 100644
--- a/cgpt/cmd_add.c
+++ b/cgpt/cmd_add.c
@@ -251,8 +251,11 @@ int cmd_add(int argc, char *argv[]) {
   if (set_unique)
     memcpy(&entry->unique, &unique_guid, sizeof(Guid));
   if (label) {
-    UTF8ToUTF16((uint8_t *)label, entry->name,
-                sizeof(entry->name) / sizeof(entry->name[0]));
+    if (CGPT_OK != UTF8ToUTF16((uint8_t *)label, entry->name,
+                               sizeof(entry->name) / sizeof(entry->name[0]))) {
+      Error("The label cannot be converted to UTF16.\n");
+      goto bad;
+    }
   }
   if (set_raw) {
     entry->attrs.fields.gpt_att = raw_value;