json: Add guard in create_keylist_patterns

* src/gpgme-json.c (create_keylist_patterns): Guard against
a string ending with a linbreak.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gpgme-json.c b/src/gpgme-json.c
index eb5edf4d..3cdd744d 100644
--- a/src/gpgme-json.c
+++ b/src/gpgme-json.c
@@ -691,7 +691,7 @@ create_keylist_patterns (cjson_t request)
       tmp = p + 1;
     }
   /* The last key is not newline delimted. */
-  ret[i++] = xstrdup (tmp);
+  ret[i++] = *tmp ? xstrdup (tmp) : NULL;
   ret[i] = NULL;
 
   xfree (keystring);