core: Add files to blob list on scan

Signed-off-by: Chloe M. <chloe@mirocom.org>

core/blob_list.c

@@ -3,11 +3,25 @@
  * Provided under the BSD-3 clause
  */
 
+#include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
 #include "blobchain/blob.h"
 #include "blobchain/memlib.h"
 
+static void
+dump_bytes(void *buf, size_t len)
+{
+    char *p = buf;
+    size_t i = 0;
+
+    while ((i++) < len) {
+        printf("%02X ", p[i] & 0xFF);
+    }
+
+    printf("\n");
+}
+
 int
 blob_list_init(struct blob_list *lp)
 {
@@ -65,3 +79,27 @@ blob_list_destroy(struct blob_list *lp)
         free(tmp);
     }
 }
+
+void
+blob_list_dump(struct blob_list *lp)
+{
+    const size_t DUMP_SIZE = 4;
+    struct blob *blob;
+    size_t count = 0;
+
+    if (lp == NULL) {
+        return;
+    }
+
+    blob = lp->head;
+    while (blob != NULL) {
+        printf("blob %zd/%zd\n", count++, lp->count);
+        printf("... length :: %zd\n", blob->length);
+        printf("... data   :: ");
+        dump_bytes(blob->data, blob->length < DUMP_SIZE
+            ? blob->length
+            : DUMP_SIZE);
+
+        blob = blob->next;
+    }
+}