Fix macro code to use boolean value in while instruction (false)

include/dlt/dlt_common.h

@@ -300,15 +300,15 @@ typedef enum {
         { length = -1; } \
         else \
         { dst = *((type *)src); src += sizeof(type); length -= sizeof(type); } \
-    } while(0)
+    } while(false)
 
 #   define DLT_MSG_READ_ID(dst, src, length) \
     do { \
         if ((length < 0) || ((length) < DLT_ID_SIZE)) \
         { length = -1; } \
         else \
         { memcpy(dst, src, DLT_ID_SIZE); src += DLT_ID_SIZE; length -= DLT_ID_SIZE; } \
-    } while(0)
+    } while(false)
 
 #   define DLT_MSG_READ_STRING(dst, src, maxlength, dstlength, length) \
     do { \
@@ -324,15 +324,15 @@ typedef enum {
             src += length; \
             maxlength -= length; \
         } \
-    } while(0)
+    } while(false)
 
 #   define DLT_MSG_READ_NULL(src, maxlength, length) \
     do { \
         if (((maxlength) < 0) || ((length) < 0) || ((maxlength) < (length))) \
         { length = -1; } \
         else \
         { src += length; maxlength -= length; } \
-    } while(0)
+    } while(false)
 
 #   define DLT_HEADER_SHOW_NONE       0x0000
 #   define DLT_HEADER_SHOW_TIME       0x0001

include/dlt/dlt_cpp_extension.hpp

@@ -203,7 +203,7 @@ static inline int32_t logToDltVariadic(DltContextData &log, First const &valueA,
             dlt_user_log_write_finish(&log);\
         }\
     }\
-    while(0)
+    while(false)
 
 /**
  * @brief macro to write a log message with variable number of arguments and without the need to specify the type of log data.
@@ -227,6 +227,6 @@ static inline int32_t logToDltVariadic(DltContextData &log, First const &valueA,
             dlt_user_log_write_finish(&log);\
         }\
   }\
-  while(0)
+  while(false)
 
 #endif /* DLT_CPP_EXTENSION_HPP */

include/dlt/dlt_user.h.in

@@ -74,6 +74,8 @@
  \{
  */
 
+#include <stdbool.h>
+
 #ifndef DLT_NETWORK_TRACE_ENABLE
 #cmakedefine DLT_NETWORK_TRACE_ENABLE
 #endif
@@ -111,7 +113,7 @@ extern "C" {
 #define DLT_SEM_LOCK() do{\
     while ((sem_wait(&dlt_mutex) == -1) && (errno == EINTR)) \
         continue;       /* Restart if interrupted */ \
-    } while(0)
+    } while(false)
 #define DLT_SEM_FREE() { sem_post(&dlt_mutex); }
 
 /**

include/dlt/dlt_user_macros.h

@@ -71,6 +71,8 @@
 #include "dlt_version.h"
 #include "dlt_types.h"
 
+#include <stdbool.h>
+
 /**
  * \defgroup userapi DLT User API
  * \addtogroup userapi
@@ -110,27 +112,27 @@
  */
 #define DLT_REGISTER_APP(APPID, DESCRIPTION) do { \
         (void)dlt_check_library_version(_DLT_PACKAGE_MAJOR_VERSION, _DLT_PACKAGE_MINOR_VERSION); \
-        (void)dlt_register_app(APPID, DESCRIPTION); } while (0)
+        (void)dlt_register_app(APPID, DESCRIPTION); } while(false)
 
 
 /**
  * Unregister application.
  */
 #define DLT_UNREGISTER_APP() do { \
-        (void)dlt_unregister_app(); } while (0)
+        (void)dlt_unregister_app(); } while(false)
 
 /**
  * Unregister application and flush the logs buffered in startup buffer if any.
  */
 #define DLT_UNREGISTER_APP_FLUSH_BUFFERED_LOGS() do { \
-        (void)dlt_unregister_app_flush_buffered_logs(); } while (0)
+        (void)dlt_unregister_app_flush_buffered_logs(); } while(false)
 
 /**
  * To Get application ID.
  * @Param APPID character pointer of minimum 4 bytes
  */
 #define DLT_GET_APPID(APPID) do{\
-    dlt_get_appid(APPID);} while(0)
+    dlt_get_appid(APPID);} while(false)
 
 /**
  * Register context (with default log level and default trace status)
@@ -139,7 +141,7 @@
  * @param DESCRIPTION ASCII string containing description
  */
 #define DLT_REGISTER_CONTEXT(CONTEXT, CONTEXTID, DESCRIPTION) do { \
-        (void)dlt_register_context(&(CONTEXT), CONTEXTID, DESCRIPTION); } while (0)
+        (void)dlt_register_context(&(CONTEXT), CONTEXTID, DESCRIPTION); } while (false)
 
 /**
  * Register context with pre-defined log level and pre-defined trace status.
@@ -152,7 +154,7 @@
  * (DLT_TRACE_STATUS_DEFAULT is not allowed here)
  */
 #define DLT_REGISTER_CONTEXT_LL_TS(CONTEXT, CONTEXTID, DESCRIPTION, LOGLEVEL, TRACESTATUS) do { \
-        (void)dlt_register_context_ll_ts(&(CONTEXT), CONTEXTID, DESCRIPTION, LOGLEVEL, TRACESTATUS); } while (0)
+        (void)dlt_register_context_ll_ts(&(CONTEXT), CONTEXTID, DESCRIPTION, LOGLEVEL, TRACESTATUS); } while (false)
 
 /**
  * Register context (with default log level and default trace status and log level change callback)
@@ -162,14 +164,14 @@
  * @param CBK log level change callback to be registered
  */
 #define DLT_REGISTER_CONTEXT_LLCCB(CONTEXT, CONTEXTID, DESCRIPTION, CBK) do { \
-        (void)dlt_register_context_llccb(&(CONTEXT), CONTEXTID, DESCRIPTION, CBK); } while (0)
+        (void)dlt_register_context_llccb(&(CONTEXT), CONTEXTID, DESCRIPTION, CBK); } while(false)
 
 /**
  * Unregister context.
  * @param CONTEXT object containing information about one special logging context
  */
 #define DLT_UNREGISTER_CONTEXT(CONTEXT) do { \
-        (void)dlt_unregister_context(&(CONTEXT)); } while (0)
+        (void)dlt_unregister_context(&(CONTEXT)); } while(false)
 
 /**
  * Register callback function called when injection message was received
@@ -178,7 +180,7 @@
  * @param CALLBACK function pointer to callback function
  */
 #define DLT_REGISTER_INJECTION_CALLBACK(CONTEXT, SERVICEID, CALLBACK) do { \
-        (void)dlt_register_injection_callback(&(CONTEXT), SERVICEID, CALLBACK); } while (0)
+        (void)dlt_register_injection_callback(&(CONTEXT), SERVICEID, CALLBACK); } while(false)
 
 /**
  * Register callback function called when injection message was received
@@ -188,15 +190,15 @@
  * @param PRIV_DATA data specific to context
  */
 #define DLT_REGISTER_INJECTION_CALLBACK_WITH_ID(CONTEXT, SERVICEID, CALLBACK, PRIV_DATA) do { \
-        (void)dlt_register_injection_callback_with_id(&(CONTEXT), SERVICEID, CALLBACK, PRIV_DATA); } while (0)
+        (void)dlt_register_injection_callback_with_id(&(CONTEXT), SERVICEID, CALLBACK, PRIV_DATA); } while(false)
 
 /**
  * Register callback function called when log level of context was changed
  * @param CONTEXT object containing information about one special logging context
  * @param CALLBACK function pointer to callback function
  */
 #define DLT_REGISTER_LOG_LEVEL_CHANGED_CALLBACK(CONTEXT, CALLBACK) do { \
-        (void)dlt_register_log_level_changed_callback(&(CONTEXT), CALLBACK); } while (0)
+        (void)dlt_register_log_level_changed_callback(&(CONTEXT), CALLBACK); } while(false)
 
 /**
  * Send log message with variable list of messages (intended for verbose mode)
@@ -221,7 +223,7 @@
             __VA_ARGS__; \
             (void)dlt_user_log_write_finish(&log_local); \
         } \
-    } while (0)
+    } while (false)
 #endif
 
 /**
@@ -250,7 +252,7 @@
             log_local.user_timestamp = (uint32_t) TS; \
             (void)dlt_user_log_write_finish(&log_local); \
         } \
-    } while (0)
+    } while (false)
 #endif
 
 /**
@@ -279,7 +281,7 @@
             __VA_ARGS__; \
             (void)dlt_user_log_write_finish(&log_local); \
         } \
-    } while (0)
+    } while(false)
 #endif
 
 /**
@@ -311,7 +313,7 @@
             log_local.user_timestamp = (uint32_t) TS; \
             (void)dlt_user_log_write_finish(&log_local); \
         } \
-    } while (0)
+    } while(false)
 #endif
 
 /**
@@ -643,7 +645,7 @@
         { \
             (void)dlt_user_trace_network(&(CONTEXT), TYPE, HEADERLEN, HEADER, PAYLOADLEN, PAYLOAD); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Trace network message, allow truncation
@@ -660,7 +662,7 @@
         { \
             (void)dlt_user_trace_network_truncated(&(CONTEXT), TYPE, HEADERLEN, HEADER, PAYLOADLEN, PAYLOAD, 1); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Trace network message, segment large messages
@@ -677,7 +679,7 @@
         { \
             (void)dlt_user_trace_network_segmented(&(CONTEXT), TYPE, HEADERLEN, HEADER, PAYLOADLEN, PAYLOAD); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with string parameter.
@@ -691,7 +693,7 @@
         { \
             (void)dlt_log_string(&(CONTEXT), LOGLEVEL, TEXT); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with string parameter and integer parameter.
@@ -706,7 +708,7 @@
         { \
             (void)dlt_log_string_int(&(CONTEXT), LOGLEVEL, TEXT, INT_VAR); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with string parameter and unsigned integer parameter.
@@ -721,7 +723,7 @@
         { \
             (void)dlt_log_string_uint(&(CONTEXT), LOGLEVEL, TEXT, UINT_VAR); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with unsigned integer parameter.
@@ -735,7 +737,7 @@
         { \
             (void)dlt_log_uint(&(CONTEXT), LOGLEVEL, UINT_VAR); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with integer parameter.
@@ -749,7 +751,7 @@
         { \
             (void)dlt_log_int(&(CONTEXT), LOGLEVEL, INT_VAR); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with binary memory block.
@@ -764,29 +766,29 @@
         { \
             (void)dlt_log_raw(&(CONTEXT), LOGLEVEL, BUF, LEN); \
         } \
-    } while (0)
+    } while(false)
 
 /**
  * Send log message with marker.
  */
 #define DLT_LOG_MARKER() \
     do { \
         (void)dlt_log_marker(); \
-    } while (0)
+    } while(false)
 
 /**
  * Switch to verbose mode
  *
  */
 #define DLT_VERBOSE_MODE() do { \
-        (void)dlt_verbose_mode(); } while (0)
+        (void)dlt_verbose_mode(); } while(false)
 
 /**
  * Switch to non-verbose mode
  *
  */
 #define DLT_NONVERBOSE_MODE() do { \
-        (void)dlt_nonverbose_mode(); } while (0)
+        (void)dlt_nonverbose_mode(); } while(false)
 
 /**
  * Set maximum logged log level and trace status of application
@@ -795,21 +797,21 @@
  * @param TRACESTATUS This is the trace status to be set for the whole application
  */
 #define DLT_SET_APPLICATION_LL_TS_LIMIT(LOGLEVEL, TRACESTATUS) do { \
-        (void)dlt_set_application_ll_ts_limit(LOGLEVEL, TRACESTATUS); } while (0)
+        (void)dlt_set_application_ll_ts_limit(LOGLEVEL, TRACESTATUS); } while(false)
 
 /**
  * Enable local printing of messages
  *
  */
 #define DLT_ENABLE_LOCAL_PRINT() do { \
-        (void)dlt_enable_local_print(); } while (0)
+        (void)dlt_enable_local_print(); } while(false)
 
 /**
  * Disable local printing of messages
  *
  */
 #define DLT_DISABLE_LOCAL_PRINT() do { \
-        (void)dlt_disable_local_print(); } while (0)
+        (void)dlt_disable_local_print(); } while(false)
 
 /**
  * Check if log level is enabled

src/daemon/dlt_daemon_common.h

@@ -99,7 +99,7 @@ extern "C" {
 #define DLT_DAEMON_SEM_LOCK() do{\
     while ((sem_wait(&dlt_daemon_mutex) == -1) && (errno == EINTR)) \
         continue;       /* Restart if interrupted */ \
-    } while(0)
+    } while(false)
 
 #define DLT_DAEMON_SEM_FREE() { sem_post(&dlt_daemon_mutex); }
 extern sem_t dlt_daemon_mutex;

src/lib/dlt_user.c

@@ -85,7 +85,7 @@
             int *p = NULL;                 \
             *p = 0;                        \
         }                                  \
-    } while (0)
+    } while (false)
 #else /* DLT_FATAL_LOG_RESET_ENABLE */
 #   define DLT_LOG_FATAL_RESET_TRAP(LOGLEVEL)
 #endif /* DLT_FATAL_LOG_RESET_ENABLE */