From 3ebd0a70b2bba2e64615c0973477a610e117c97a Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 10 May 2023 00:57:04 +0200
Subject: fix 0-length VLAs

---
 src/kyclogic/kyclogic_api.c   |  9 +++++----
 src/lib/exchange_api_handle.c | 16 ++++++++--------
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/kyclogic/kyclogic_api.c b/src/kyclogic/kyclogic_api.c
index 0ef1295ed..65f3f3ba3 100644
--- a/src/kyclogic/kyclogic_api.c
+++ b/src/kyclogic/kyclogic_api.c
@@ -780,10 +780,11 @@ TALER_KYCLOGIC_kyc_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
       TALER_KYCLOGIC_kyc_done ();
       return GNUNET_SYSERR;
     }
-  qsort (kyc_triggers,
-         num_kyc_triggers,
-         sizeof (struct TALER_KYCLOGIC_KycTrigger *),
-         &sort_by_timeframe);
+  if (0 != num_kyc_triggers)
+    qsort (kyc_triggers,
+           num_kyc_triggers,
+           sizeof (struct TALER_KYCLOGIC_KycTrigger *),
+           &sort_by_timeframe);
   return GNUNET_OK;
 }
 
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index f6a5e979d..0e8046305 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -1366,10 +1366,10 @@ keys_completed_cb (void *cls,
                        kd.num_denom_keys);
 
     /* First make a shallow copy, we then need another pass for the RSA key... */
-    memcpy (kd.denom_keys,
-            kd_old.denom_keys,
-            kd_old.num_denom_keys * sizeof (struct
-                                            TALER_EXCHANGE_DenomPublicKey));
+    GNUNET_memcpy (kd.denom_keys,
+                   kd_old.denom_keys,
+                   kd_old.num_denom_keys * sizeof (struct
+                                                   TALER_EXCHANGE_DenomPublicKey));
 
     for (unsigned int i = 0; i<kd_old.num_denom_keys; i++)
       TALER_denom_pub_deep_copy (&kd.denom_keys[i].key,
@@ -1391,10 +1391,10 @@ keys_completed_cb (void *cls,
       GNUNET_array_grow (anew->denom_keys,
                          anew->num_denom_keys,
                          aold->num_denom_keys);
-      memcpy (anew->denom_keys,
-              aold->denom_keys,
-              aold->num_denom_keys
-              * sizeof (struct TALER_EXCHANGE_AuditorDenominationInfo));
+      GNUNET_memcpy (anew->denom_keys,
+                     aold->denom_keys,
+                     aold->num_denom_keys
+                     * sizeof (struct TALER_EXCHANGE_AuditorDenominationInfo));
     }
 
     /* Old auditors got just copied into new ones.  */
-- 
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