Added support for third-party logging facilities

GCDWebServer/Core/GCDWebServerResponse.m

@@ -107,7 +107,7 @@
   } else {
     encodedData = [[NSMutableData alloc] initWithLength:kGZipInitialBufferSize];
     if (encodedData == nil) {
-      DNOT_REACHED();
+      GWS_DNOT_REACHED();
       return nil;
     }
     NSUInteger length = 0;
@@ -136,7 +136,7 @@
         }
         encodedData.length = 2 * encodedData.length;  // zlib has used all the output buffer so resize it and try again in case more data is available
       }
-      DCHECK(_stream.avail_in == 0);
+      GWS_DCHECK(_stream.avail_in == 0);
     } while (length == 0);  // Make sure we don't return an empty NSData if not in finished state
     encodedData.length = length;
   }
@@ -234,10 +234,10 @@
 }
 
 - (BOOL)performOpen:(NSError**)error {
-  DCHECK(_type);
-  DCHECK(_reader);
+  GWS_DCHECK(_type);
+  GWS_DCHECK(_reader);
   if (_opened) {
-    DNOT_REACHED();
+    GWS_DNOT_REACHED();
     return NO;
   }
   _opened = YES;
@@ -245,12 +245,12 @@
 }
 
 - (NSData*)performReadData:(NSError**)error {
-  DCHECK(_opened);
+  GWS_DCHECK(_opened);
   return [_reader readData:error];
 }
 
 - (void)performClose {
-  DCHECK(_opened);
+  GWS_DCHECK(_opened);
   [_reader close];
 }