wifi: Add wifi pointer NULL checks

[framework/connectivity/connman.git] / include / log.h

diff --git a/include/log.h b/include/log.h
index e9ee8e4..2a7de10 100644 (file)
--- a/include/log.h
+++ b/include/log.h
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
@@ -32,9 +32,29 @@ extern "C" {
  * @short_description: Functions for logging error and debug information
  */
 
-extern void connman_info(const char *format, ...);
-extern void connman_error(const char *format, ...);
-extern void connman_debug(const char *format, ...);
+void connman_info(const char *format, ...)
+                               __attribute__((format(printf, 1, 2)));
+void connman_warn(const char *format, ...)
+                               __attribute__((format(printf, 1, 2)));
+void connman_error(const char *format, ...)
+                               __attribute__((format(printf, 1, 2)));
+void connman_debug(const char *format, ...)
+                               __attribute__((format(printf, 1, 2)));
+
+struct connman_debug_desc {
+       const char *name;
+       const char *file;
+#define CONNMAN_DEBUG_FLAG_DEFAULT (0)
+#define CONNMAN_DEBUG_FLAG_PRINT   (1 << 0)
+#define CONNMAN_DEBUG_FLAG_ALIAS   (1 << 1)
+       unsigned int flags;
+} __attribute__((aligned(8)));
+
+#define CONNMAN_DEBUG_DEFINE(name) \
+       static struct connman_debug_desc __debug_alias_ ## name \
+       __attribute__((used, section("__debug"), aligned(8))) = { \
+               #name, __FILE__, CONNMAN_DEBUG_FLAG_ALIAS \
+       };
 
 /**
  * DBG:
@@ -44,7 +64,15 @@ extern void connman_debug(const char *format, ...);
  * Simple macro around connman_debug() which also include the function
  * name it is called in.
  */
-#define DBG(fmt, arg...) connman_debug("%s:%s() " fmt, __FILE__, __FUNCTION__ , ## arg)
+#define DBG(fmt, arg...) do { \
+       static struct connman_debug_desc __connman_debug_desc \
+       __attribute__((used, section("__debug"), aligned(8))) = { \
+               .file = __FILE__, .flags = CONNMAN_DEBUG_FLAG_DEFAULT, \
+       }; \
+       if (__connman_debug_desc.flags & CONNMAN_DEBUG_FLAG_PRINT) \
+               connman_debug("%s:%s() " fmt, \
+                                       __FILE__, __FUNCTION__ , ## arg); \
+} while (0)
 
 #ifdef __cplusplus
 }