Abstract FIRSTNBITS(), fix logic

2023-06-04 15:06:51 +03:00
parent 08ec7cb9bb
commit 9302ebd751
2 changed files with 9 additions and 7 deletions
--- a/src/header.h
+++ b/src/header.h
@@ -39,6 +39,8 @@
 #define FIELD_BITS_2003     512
 #define FIELD_BYTES_2003    64

+#define FIRSTNBITS(field, n)           ((field) & ((1ULL << (n)) - 1))
+
 // Confirmation ID generator constants
 #define SUCCESS 0
 #define ERR_TOO_SHORT 1