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-rw-r--r--src/bitfield/bitfield.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/bitfield/bitfield.c b/src/bitfield/bitfield.c
index ae1be403..3b0c5fdd 100644
--- a/src/bitfield/bitfield.c
+++ b/src/bitfield/bitfield.c
@@ -3,6 +3,10 @@
#include <string.h>
#include <stddef.h>
+uint64_t bitmask(const uint8_t bit_count) {
+ return (((uint64_t)0x1) << bit_count) - 1;
+}
+
uint8_t get_nibble(const uint8_t source[], const uint8_t source_length,
const uint8_t nibble_index) {
uint8_t byte_index = nibble_index / 2;