Rewrite ring buffer loops

Somehow the loops turned out to be infinite.

1 files changed, 10 insertions, 2 deletions

diff --git a/app/platform/stm32f0-gcc/ring_buffer.h b/app/platform/stm32f0-gcc/ring_buffer.h
index 1a065ef..ae4d99d 100644
--- a/app/platform/stm32f0-gcc/ring_buffer.h
+++ b/app/platform/stm32f0-gcc/ring_buffer.h
@@ -20,7 +20,11 @@ public:
     }
     constexpr void Push(const UnitType *items, size_t nitems)
     {
-        if (items) for (; nitems; items++, nitems--) Push(*items);
+        if (items) {
+            for (size_t i = 0; i < nitems; i++) {
+                Push(items[i]);
+            }
+        }
     }
     constexpr UnitType Pop()
     {
@@ -30,7 +34,11 @@ public:
     }
     constexpr void Pop(UnitType* buf, size_t nitems)
     {
-        if (buf) for (; nitems; nitems--, buf++) *buf = Pop();
+        if (buf) {
+            for (size_t i = 0; i < nitems; i++) {
+                buf[i] = Pop();
+            }
+        }
     }
     constexpr size_t Free()
     {