Introducing short to data_t and handlers for converting endian

lib/base.c

@@ -14,6 +14,12 @@
 
 #include <string.h>
 
+short_t short_byteswap(const short_t w)
+{
+  // TODO: is there a faster way of doing this?
+  return WORD_NTH_BYTE(w, 1) | (WORD_NTH_BYTE(w, 0) << 8);
+}
+
 hword_t hword_byteswap(const hword_t w)
 {
   // TODO: is there a faster way of doing this?
@@ -30,6 +36,15 @@ word_t word_byteswap(const word_t w)
          WORD_NTH_BYTE(w, 1) << 48 | WORD_NTH_BYTE(w, 0) << 56;
 }
 
+short_t convert_bytes_to_short(const byte_t *bytes)
+{
+  short_t s = 0;
+  memcpy(&s, bytes, SHORT_SIZE);
+  if (!LITTLE_ENDIAN)
+    s = short_byteswap(s);
+  return s;
+}
+
 hword_t convert_bytes_to_hword(const byte_t *bytes)
 {
   hword_t h = 0;
@@ -48,6 +63,12 @@ word_t convert_bytes_to_word(const byte_t *bytes)
   return h;
 }
 
+void convert_short_to_bytes(short_t w, byte_t *bytes)
+{
+  short_t h = LITTLE_ENDIAN ? w : short_byteswap(w);
+  memcpy(bytes, &h, SHORT_SIZE);
+}
+
 void convert_hword_to_bytes(hword_t w, byte_t *bytes)
 {
   hword_t h = LITTLE_ENDIAN ? w : hword_byteswap(w);