-// Set DEBUGBREAKS to 0 to optimize debugf() calls out of the compiled code
-// Set DEBUGBREAKS to 1 to generate normal debugging messages
-// Set DEBUGBREAKS to 2 to generate verbose debugging messages
-// DEBUGBREAKS is normally set in the project options (or makefile) but can also be set here if desired
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 2002-2003 Apple Computer, Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
-//#define DEBUGBREAKS 2
+#ifndef __mDNSDebug_h
+#define __mDNSDebug_h
-#ifdef __cplusplus
+// Set MDNS_DEBUGMSGS to 0 to optimize debugf() calls out of the compiled code
+// Set MDNS_DEBUGMSGS to 1 to generate normal debugging messages
+// Set MDNS_DEBUGMSGS to 2 to generate verbose debugging messages
+// MDNS_DEBUGMSGS is normally set in the project options (or makefile) but can also be set here if desired
+// (If you edit the file here to turn on MDNS_DEBUGMSGS while you're debugging some code, be careful
+// not to accidentally check-in that change by mistake when you check in your other changes.)
+
+//#undef MDNS_DEBUGMSGS
+//#define MDNS_DEBUGMSGS 2
+
+// Set MDNS_CHECK_PRINTF_STYLE_FUNCTIONS to 1 to enable extra GCC compiler warnings
+// Note: You don't normally want to do this, because it generates a bunch of
+// spurious warnings for the following custom extensions implemented by mDNS_vsnprintf:
+// warning: `#' flag used with `%s' printf format (for %#s -- pascal string format)
+// warning: repeated `#' flag in format (for %##s -- DNS name string format)
+// warning: double format, pointer arg (arg 2) (for %.4a, %.16a, %#a -- IP address formats)
+#define MDNS_CHECK_PRINTF_STYLE_FUNCTIONS 0
+
+typedef enum
+ {
+ MDNS_LOG_MSG,
+ MDNS_LOG_OPERATION,
+ MDNS_LOG_SPS,
+ MDNS_LOG_INFO,
+ MDNS_LOG_DEBUG,
+ } mDNSLogLevel_t;
+
+// Set this symbol to 1 to answer remote queries for our Address, reverse mapping PTR, and HINFO records
+#define ANSWER_REMOTE_HOSTNAME_QUERIES 0
+
+// Set this symbol to 1 to do extra debug checks on malloc() and free()
+// Set this symbol to 2 to write a log message for every malloc() and free()
+//#define MACOSX_MDNS_MALLOC_DEBUGGING 1
+
+//#define ForceAlerts 1
+//#define LogTimeStamps 1
+
+// Developer-settings section ends here
+
+#if MDNS_CHECK_PRINTF_STYLE_FUNCTIONS
+#define IS_A_PRINTF_STYLE_FUNCTION(F,A) __attribute__ ((format(printf,F,A)))
+#else
+#define IS_A_PRINTF_STYLE_FUNCTION(F,A)
+#endif
+
+#ifdef __cplusplus
extern "C" {
#endif
-#if DEBUGBREAKS
-#define debugf debugf_
-extern void debugf_(const char *format, ...);
-#else // If debug breaks are off, use a preprocessor trick to optimize those calls out of the code
- #if( defined( __GNUC__ ) )
- #define debugf( ARGS... )
- #elif( defined( __MWERKS__ ) )
- #define debugf( ... )
+// Variable argument macro support. Use ANSI C99 __VA_ARGS__ where possible. Otherwise, use the next best thing.
+
+#if (defined(__GNUC__))
+ #if ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 2)))
+ #define MDNS_C99_VA_ARGS 1
+ #define MDNS_GNU_VA_ARGS 0
#else
- #define debugf 1 ? ((void) 0) : (void)
+ #define MDNS_C99_VA_ARGS 0
+ #define MDNS_GNU_VA_ARGS 1
#endif
+ #define MDNS_HAS_VA_ARG_MACROS 1
+#elif (_MSC_VER >= 1400) // Visual Studio 2005 and later
+ #define MDNS_C99_VA_ARGS 1
+ #define MDNS_GNU_VA_ARGS 0
+ #define MDNS_HAS_VA_ARG_MACROS 1
+#elif (defined(__MWERKS__))
+ #define MDNS_C99_VA_ARGS 1
+ #define MDNS_GNU_VA_ARGS 0
+ #define MDNS_HAS_VA_ARG_MACROS 1
+#else
+ #define MDNS_C99_VA_ARGS 0
+ #define MDNS_GNU_VA_ARGS 0
+ #define MDNS_HAS_VA_ARG_MACROS 0
#endif
-#if DEBUGBREAKS > 1
-#define verbosedebugf debugf_
-#else
- #if( defined( __GNUC__ ) )
- #define verbosedebugf( ARGS... )
- #elif( defined( __MWERKS__ ) )
- #define verbosedebugf( ... )
+#if (MDNS_HAS_VA_ARG_MACROS)
+ #if (MDNS_C99_VA_ARGS)
+ #define debug_noop( ... ) ((void)0)
+ #define LogMsg( ... ) LogMsgWithLevel(MDNS_LOG_MSG, __VA_ARGS__)
+ #define LogOperation( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_OPERATION, __VA_ARGS__); } while (0)
+ #define LogSPS( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_SPS, __VA_ARGS__); } while (0)
+ #define LogInfo( ... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_INFO, __VA_ARGS__); } while (0)
+ #elif (MDNS_GNU_VA_ARGS)
+ #define debug_noop( ARGS... ) ((void)0)
+ #define LogMsg( ARGS... ) LogMsgWithLevel(MDNS_LOG_MSG, ARGS)
+ #define LogOperation( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_OPERATION, ARGS); } while (0)
+ #define LogSPS( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_SPS, ARGS); } while (0)
+ #define LogInfo( ARGS... ) do { if (mDNS_LoggingEnabled) LogMsgWithLevel(MDNS_LOG_INFO, ARGS); } while (0)
#else
- #define verbosedebugf 1 ? ((void) 0) : (void)
+ #error Unknown variadic macros
#endif
+#else
+ // If your platform does not support variadic macros, you need to define the following variadic functions.
+ // See mDNSShared/mDNSDebug.c for sample implementation
+ #define debug_noop 1 ? (void)0 : (void)
+ #define LogMsg LogMsg_
+ #define LogOperation (mDNS_LoggingEnabled == 0) ? ((void)0) : LogOperation_
+ #define LogSPS (mDNS_LoggingEnabled == 0) ? ((void)0) : LogSPS_
+ #define LogInfo (mDNS_LoggingEnabled == 0) ? ((void)0) : LogInfo_
+ extern void LogMsg_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+ extern void LogOperation_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+ extern void LogSPS_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+ extern void LogInfo_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+#endif
+
+#if MDNS_DEBUGMSGS
+#define debugf debugf_
+extern void debugf_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+#else
+#define debugf debug_noop
+#endif
+
+#if MDNS_DEBUGMSGS > 1
+#define verbosedebugf verbosedebugf_
+extern void verbosedebugf_(const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(1,2);
+#else
+#define verbosedebugf debug_noop
#endif
-#ifdef __cplusplus
+extern int mDNS_LoggingEnabled;
+extern int mDNS_PacketLoggingEnabled;
+extern int mDNS_DebugMode; // If non-zero, LogMsg() writes to stderr instead of syslog
+extern const char ProgramName[];
+
+extern void LogMsgWithLevel(mDNSLogLevel_t logLevel, const char *format, ...) IS_A_PRINTF_STYLE_FUNCTION(2,3);
+// LogMsgNoIdent needs to be fixed so that it logs without the ident prefix like it used to
+// (or completely overhauled to use the new "log to a separate file" facility)
+#define LogMsgNoIdent LogMsg
+
+#if APPLE_OSX_mDNSResponder && MACOSX_MDNS_MALLOC_DEBUGGING >= 1
+extern void *mallocL(char *msg, unsigned int size);
+extern void freeL(char *msg, void *x);
+extern void LogMemCorruption(const char *format, ...);
+extern void uds_validatelists(void);
+extern void udns_validatelists(void *const v);
+#else
+#define mallocL(X,Y) malloc(Y)
+#define freeL(X,Y) free(Y)
+#endif
+
+#ifdef __cplusplus
}
#endif
+
+#endif
projects / apple / mdnsresponder.git / blobdiff