initial commit of version 23fehQlibs-23

1 files changed, 40 insertions, 0 deletions

diff --git a/uint16p.c b/uint16p.c
new file mode 100644
index 0000000..5dddf21
--- /dev/null
+++ b/uint16p.c
@@ -0,0 +1,40 @@
+#include "uint_t.h"
+
+/**
+	@file uint16p.c
+	@author djb
+	@source qmail
+	@brief packing/unpacking 16 bit integer to/from char string
+*/
+
+void uint16_pack(char s[2],uint16 u) 
+{
+  s[0] = u & 255;
+  s[1] = u >> 8;
+}
+
+void uint16_pack_big(char s[2],uint16 u)
+{
+  s[1] = u & 255;
+  s[0] = u >> 8;
+}
+
+void uint16_unpack(char s[2],uint16 *u)
+{
+  uint16 result;
+
+  result =  (unsigned char) s[1]; result <<= 8;
+  result += (unsigned char) s[0];
+
+  *u = result;
+}
+
+void uint16_unpack_big(char s[2],uint16 *u)
+{
+  uint16 result;
+
+  result =  (unsigned char) s[0]; result <<= 8;
+  result += (unsigned char) s[1];
+
+  *u = result;
+}