temp sync broken

User/util/hexdump.c

@@ -21,4 +21,19 @@ void hexdump (const char *label, const uint8_t *data, size_t len) {
         }
         printf ("\n");
     }
+}
+
+void hexdump_compact(const uint8_t* data, size_t len, char* out, size_t out_size) {
+    size_t pos = 0;
+
+    for (size_t i = 0; i < len; i++) {
+        if (pos + 2 >= out_size) break;  // make sure we don¡¯t overflow
+        snprintf(out + pos, 3, "%02x", data[i]); // 2 chars + null terminator
+        pos += 2;
+    }
+
+    if (pos < out_size)
+        out[pos] = '\0';
+    else
+        out[out_size - 1] = '\0'; // ensure null termination
 }

User/util/hexdump.h

@@ -6,4 +6,6 @@
 #include "stdint.h"
 void hexdump (const char *label, const uint8_t *data, size_t len);
 
+void hexdump_compact(const uint8_t* data, size_t len, char* out, size_t out_size);
+
 #endif