Replaced preprocessor constant "NDEBUG" by the more standard "DEBUG" one and flipped behavior accordingly

GCDWebServer/Core/GCDWebServer.h

@@ -33,8 +33,8 @@
 /**
  *  Log levels used by GCDWebServer.
  *
- *  @warning kGCDWebServerLogLevel_Debug is only available if "NDEBUG" is not
- *  defined when building.
+ *  @warning kGCDWebServerLogLevel_Debug is only functional if the preprocessor
+ *  constant "DEBUG" is is non-zero at build time.
  */
 typedef NS_ENUM(int, GCDWebServerLogLevel) {
   kGCDWebServerLogLevel_Debug = 0,
@@ -489,8 +489,9 @@ extern NSString* const GCDWebServerAuthenticationMethod_DigestAccess;
 /**
  *  Sets the current log level below which logged messages are discarded.
  *
- *  The default level is either DEBUG or INFO if "NDEBUG" is defined at build-time.
- *  It can also be set at runtime with the "logLevel" environment variable.
+ *  The default level is INFO (or DEBUG if the preprocessor constant "DEBUG"
+ *  is non-zero at build time).
+ *  It can also be set at run time with the "logLevel" environment variable.
  */
 + (void)setLogLevel:(GCDWebServerLogLevel)level;
 

GCDWebServer/Core/GCDWebServer.m

@@ -62,10 +62,10 @@ NSString* const GCDWebServerAuthenticationMethod_Basic = @"Basic";
 NSString* const GCDWebServerAuthenticationMethod_DigestAccess = @"DigestAccess";
 
 #ifndef __GCDWEBSERVER_LOGGING_HEADER__
-#ifdef NDEBUG
-GCDWebServerLogLevel GCDLogLevel = kGCDWebServerLogLevel_Info;
-#else
+#if DEBUG
 GCDWebServerLogLevel GCDLogLevel = kGCDWebServerLogLevel_Debug;
+#else
+GCDWebServerLogLevel GCDLogLevel = kGCDWebServerLogLevel_Info;
 #endif
 #endif
 
@@ -1138,7 +1138,7 @@ static void _LogResult(NSString* format, ...) {
                         _LogResult(@"  Bodies not matching:\n    Expected: %lu bytes\n      Actual: %lu bytes", (unsigned long)expectedBody.length, (unsigned long)actualBody.length);
                         success = NO;
 #if !TARGET_OS_IPHONE
-#ifndef NDEBUG
+#if DEBUG
                         if (GCDWebServerIsTextContentType([expectedHeaders objectForKey:@"Content-Type"])) {
                           NSString* expectedPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[[NSProcessInfo processInfo] globallyUniqueString] stringByAppendingPathExtension:@"txt"]];
                           NSString* actualPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[[NSProcessInfo processInfo] globallyUniqueString] stringByAppendingPathExtension:@"txt"]];

GCDWebServer/Core/GCDWebServerPrivate.h

@@ -84,13 +84,7 @@ extern void GCDLogMessage(GCDWebServerLogLevel level, NSString* format, ...) NS_
 #define LOG_ERROR(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Error) GCDLogMessage(kGCDWebServerLogLevel_Error, __VA_ARGS__); } while (0)
 #define LOG_EXCEPTION(__EXCEPTION__) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Exception) GCDLogMessage(kGCDWebServerLogLevel_Exception, @"%@", __EXCEPTION__); } while (0)
 
-#ifdef NDEBUG
-
-#define DCHECK(__CONDITION__)
-#define DNOT_REACHED()
-#define LOG_DEBUG(...)
-
-#else
+#if DEBUG
 
 #define DCHECK(__CONDITION__) \
   do { \
@@ -101,6 +95,12 @@ extern void GCDLogMessage(GCDWebServerLogLevel level, NSString* format, ...) NS_
 #define DNOT_REACHED() abort()
 #define LOG_DEBUG(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Debug) GCDLogMessage(kGCDWebServerLogLevel_Debug, __VA_ARGS__); } while (0)
 
+#else
+
+#define DCHECK(__CONDITION__)
+#define DNOT_REACHED()
+#define LOG_DEBUG(...)
+
 #endif
 
 #endif