Renamed 'con_cls' -> 'req_cls' for access handler callback

The argument is actually request-specific, not connection specific. The
name was confusing.
Fixed related documentation and clarified usage.

Also fixed code where argument named 'unused' was actually used.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/examples/querystring_example.c b/src/examples/querystring_example.c
index 975d17f2..d33767cb 100644
--- a/src/examples/querystring_example.c
+++ b/src/examples/querystring_example.c
@@ -35,7 +35,7 @@ ahc_echo (void *cls,
           const char *url,
           const char *method,
           const char *version,
-          const char *upload_data, size_t *upload_data_size, void **ptr)
+          const char *upload_data, size_t *upload_data_size, void **req_cls)
 {
   static int aptr;
   const char *fmt = cls;
@@ -51,13 +51,13 @@ ahc_echo (void *cls,
 
   if (0 != strcmp (method, "GET"))
     return MHD_NO;              /* unexpected method */
-  if (&aptr != *ptr)
+  if (&aptr != *req_cls)
   {
     /* do never respond on first call */
-    *ptr = &aptr;
+    *req_cls = &aptr;
     return MHD_YES;
   }
-  *ptr = NULL;      /* reset when done */
+  *req_cls = NULL;  /* reset when done */
   if (NULL == fmt)
     return MHD_NO;  /* The cls must not be NULL */
   val = MHD_lookup_connection_value (connection, MHD_GET_ARGUMENT_KIND, "q");