1 files changed, 10 insertions, 0 deletions

diff --git a/tests/unit/stubs/esp_system.h b/tests/unit/stubs/esp_system.h
index 8e63c80..cd54743 100644
--- a/tests/unit/stubs/esp_system.h
+++ b/tests/unit/stubs/esp_system.h
@@ -1,4 +1,14 @@
 #ifndef STUBS_ESP_SYSTEM_H
 #define STUBS_ESP_SYSTEM_H
 
+#include <stdlib.h>
+#include <stdint.h>
+
+static inline void esp_fill_random(uint8_t *buf, size_t len)
+{
+    for (size_t i = 0; i < len; i++) {
+        buf[i] = (uint8_t)(rand() & 0xFF);
+    }
+}
+
 #endif