bugfix hex decode for lower-case hex digits

src/hex.c

@@ -43,15 +43,15 @@ static const char hex_alphabet[][16] = {
 /*
  * Shift the ASCII table over so that it begins at '0', and replace the
  * hex digits with their binary values. This fits all of the hex digits
- * into 54 bytes (cacheline friendly).
+ * into 55 bytes (cacheline friendly).
  */
 static const uint8_t nibble[] = {
 	   0,    1,    2,    3,    4,    5,    6,    7,    8,    9,
 	   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 10,   11,   12,
 	   13,   14,   15,   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 	   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
-	   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 10,   11,
-	   12,   13,   14,   15
+	   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,   10,
+	   11,   12,   13,   14,   15
 };
 
 static inline int

src/tests/hex.vtc

@@ -20,10 +20,14 @@ varnish v1 -vcl+backend {
 	      convert.encode(HEX, convert.decode(IDENTITY,
 			     "The quick brown fox jumps over the lazy dog"));
 
-	    set resp.http.dec =
+	    set resp.http.decuc =
 	      convert.encode(IDENTITY, convert.decode(HEX,
 			     "666F6F206261722062617A2071757578"));
 
+	    set resp.http.declc =
+	      convert.encode(IDENTITY, convert.decode(HEX,
+			     "666f6f206261722062617a2071757578"));
+
 	    set resp.http.decempty =
 	      convert.encode(IDENTITY, convert.decode(HEX, ""));
 
@@ -67,7 +71,8 @@ client c1 {
 	rxresp
 	expect resp.http.hexlc == "54686520717569636b2062726f776e20666f78206a756d7073206f76657220746865206c617a7920646f67"
 	expect resp.http.hexuc == "54686520717569636B2062726F776E20666F78206A756D7073206F76657220746865206C617A7920646F67"
-	expect resp.http.dec == "foo bar baz quux"
+	expect resp.http.decuc == "foo bar baz quux"
+	expect resp.http.declc == "foo bar baz quux"
 	expect resp.http.decempty == ""
 	expect resp.http.decempty2bytes == ""
 	expect resp.http.decempty1byte == ""