1 files changed, 18 insertions, 0 deletions
diff --git a/common/crc32.h b/common/crc32.h
new file mode 100644
index 0000000..badf467
--- /dev/null
+++ b/common/crc32.h
@@ -0,0 +1,18 @@
+#ifndef __CRC32_H__
+#define __CRC32_H__
+
+#include <unistd.h>
+
+uint32_t crc32_update(uint32_t old_state, uint8_t c);
+
+inline static uint32_t crc32_reset(void);
+uint32_t crc32_reset() {
+    return ~0;
+}
+
+inline static uint32_t crc32_finalize(uint32_t state);
+uint32_t crc32_finalize(uint32_t state) {
+    return ~state;
+}
+
+#endif /* __CRC32_H__ */