base64val: Add support to decode base64 safe URL.

In the base64 safe URL dictionary the characters '+' and '/' are
replaced by '-' and '_'.
Add the characters to Index_64 to allow decoding if needed.

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>

1 files changed, 2 insertions, 2 deletions

diff --git a/handler.c b/handler.c
index 697c87e2..cedf352a 100644
--- a/handler.c
+++ b/handler.c
@@ -58,10 +58,10 @@ const int Index_hex[128] = {
 const int Index_64[128] = {
   -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
   -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-  -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
+  -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,62,-1,63,
   52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1,-1,-1,-1,
   -1, 0, 1, 2,  3, 4, 5, 6,  7, 8, 9,10, 11,12,13,14,
-  15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
+  15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,63,
   -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
   41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
 };