Better handling of blobs, query print length limited by compiler flag

src/db_query.c

@@ -13,12 +13,19 @@
 #ifndef SQL_DEBUG_COLOUR
 #  define SQL_DEBUG_COLOUR 36
 #endif
+#ifndef SQL_DEBUG_MAX_LEN
+#  define SQL_DEBUG_MAX_LEN 512
+#endif
 
 
 uint64_t simpleQuery(struct stored_conn_t *sconn, const char *qry, size_t qry_len)
 {
 #if defined DEBUG || defined SQL_DEBUG
-  printf("\x1b[%dm" "QRY: %s" "\x1b[0m" "\n", SQL_DEBUG_COLOUR, qry);
+  printf("\x1b[%dm" "QRY: %.*s%s" "\x1b[0m" "\n",
+         SQL_DEBUG_COLOUR,
+         SQL_DEBUG_MAX_LEN, qry,
+         (qry_len > SQL_DEBUG_MAX_LEN ? "..." : "")
+         );
 #endif
 
   char *old_ptr;