shared: Add get_be64()

Add helper to avoid possible unaligned memory access when handling
uint64 value using big-endian representation.

diff --git a/src/shared/util.h b/src/shared/util.h
index 251ea2a..9e4d0c0 100644 (file)
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -126,6 +126,11 @@ static inline uint64_t get_le64(const void *ptr)
        return le64_to_cpu(get_unaligned((const uint64_t *) ptr));
 }
 
+static inline uint64_t get_be64(const void *ptr)
+{
+       return be64_to_cpu(get_unaligned((const uint64_t *) ptr));
+}
+
 static inline void put_le16(uint16_t val, void *dst)
 {
        put_unaligned(cpu_to_le16(val), (uint16_t *) dst);