Replace instances of byte reading macros with PUT
Instances of a group of byte reading macros which are equivilant to
MBEDTLS_PUT_UINTx_yz
Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
diff --git a/library/common.h b/library/common.h
index ce2f040..3e8f88b 100644
--- a/library/common.h
+++ b/library/common.h
@@ -194,6 +194,40 @@
#endif
/**
+ * Get the unsigned 16 bits integer corresponding to two bytes in
+ * big-endian order (LSB first).
+ *
+ * \param data Base address of the memory to get the two bytes from.
+ * \param offset Offset from \p base of the first and most significant
+ * byte of the two bytes to build the 16 bits unsigned
+ * integer from.
+ */
+#ifndef MBEDTLS_GET_UINT16_BE
+#define MBEDTLS_GET_UINT16_BE( data, offset ) \
+ ( \
+ ( (uint16_t) ( data )[( offset ) ] << 8 ) \
+ | ( (uint16_t) ( data )[( offset ) + 1] ) \
+ )
+#endif
+
+/**
+ * Put in memory a 16 bits unsigned integer in big-endian order.
+ *
+ * \param n 16 bits unsigned integer to put in memory.
+ * \param data Base address of the memory where to put the 16
+ * bits unsigned integer in.
+ * \param offset Offset from \p base where to put the most significant
+ * byte of the 16 bits unsigned integer \p n.
+ */
+#ifndef MBEDTLS_PUT_UINT16_BE
+#define MBEDTLS_PUT_UINT16_BE( n, data, offset ) \
+{ \
+ ( data )[( offset ) ] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
+ ( data )[( offset ) + 1] = (unsigned char) ( ( (n) ) & 0xFF ); \
+}
+#endif
+
+/**
* Get the unsigned 64 bits integer corresponding to eight bytes in
* big-endian order (MSB first).
*