#define RL16(x) (((unsigned)((const uint8_t*)(x))[1] << 8) | \
(unsigned)((const uint8_t*)(x))[0])
+/**
+ * Read a 16 bits big endian signed integer out of memory.
+ * @param x a pointer to the input memory
+ * @return the corresponding signed integer
+ */
+#define RB16S(x) ((int16_t) \
+ (((unsigned)((const uint8_t*)(x))[0] << 8) | \
+ (unsigned)((const uint8_t*)(x))[1]))
+
/**
* Read a 16 bits little endian signed integer out of memory.
* @param x a pointer to the input memory
((unsigned)((const uint8_t*)(x))[1] << 8) | \
(unsigned)((const uint8_t*)(x))[0])
+/**
+ * Read a 32 bits big endian signed integer out of memory.
+ * @param x a pointer to the input memory
+ * @return the corresponding signed integer
+ */
+#define RB32S(x) ((int32_t) \
+ (((unsigned)((const uint8_t*)(x))[0] << 24) | \
+ ((unsigned)((const uint8_t*)(x))[1] << 16) | \
+ ((unsigned)((const uint8_t*)(x))[2] << 8) | \
+ (unsigned)((const uint8_t*)(x))[3]))
+
/**
* Read a 32 bits little endian signed integer out of memory.
* @param x a pointer to the input memory