X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=3413f9208fae0377e3633ef2c329bc9239394cdf;hb=e6b15cb5e609c9263f501d3b12965206feddb42b;hp=41754b288ac9a7126953f323c18922c9209d981f;hpb=17b93fd7c0c7af90042eac513d837cf1ec2b5f9c;p=libsigrok.git

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 41754b28..3413f920 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -76,6 +76,15 @@ struct zip_stat;
 #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
@@ -105,6 +114,17 @@ struct zip_stat;
                   ((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