move _GNU_SOURCE to build.gn and format header files as per huawei coding proactice

BUILD.gn

@@ -20,6 +20,10 @@ lite_component("init_lite") {
 
 # feature: init
 executable("init") {
+    defines = [
+        "_GNU_SOURCE",  #syscall function need this macro definition 
+    ]
+
     sources = [
         "src/main.c",
         "src/init_cmds.c",

include/init_adapter.h

@@ -15,7 +15,7 @@
 
 #ifndef BASE_STARTUP_INITLITE_ADAPTER_H
 #define BASE_STARTUP_INITLITE_ADAPTER_H
-#define _GNU_SOURCE    // syscall function need this macro definition
+
 #ifdef __LINUX__
 #include <linux/capability.h>
 #else

src/init_adapter.c

@@ -12,8 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#define _GNU_SOURCE    // syscall function need this macro definition
+
 #include "init_adapter.h"
+
 #include <errno.h>
 #include <stdio.h>
 #include <unistd.h>

src/init_cmds.c

@@ -12,7 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "init_cmds.h"
+
 #include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
@@ -21,6 +23,7 @@
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <unistd.h>
+
 #include "init_service_manager.h"
 #include "securec.h"
 

src/init_jobs.c

@@ -12,9 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "init_jobs.h"
+
 #include <stdio.h>
 #include <string.h>
+
 #include "init_cmds.h"
 #include "securec.h"
 

src/init_read_cfg.c

@@ -12,7 +12,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "init_read_cfg.h"
+
 #include <errno.h>
 #include <linux/capability.h>
 #include <stdio.h>
@@ -20,6 +22,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
+
 #include "init_jobs.h"
 #include "init_perms.h"
 #include "init_service_manager.h"

src/init_service.c

@@ -14,12 +14,14 @@
  */
 
 #include "init_service.h"
+
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>
 #include <sys/stat.h>
 #include <time.h>
 #include <unistd.h>
+
 #include "init_adapter.h"
 #include "init_perms.h"
 

src/init_service_manager.c

@@ -12,10 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "init_service_manager.h"
+
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
+
 #include "init_adapter.h"
 #include "init_jobs.h"
 

src/init_signal_handler.c

@@ -14,9 +14,11 @@
  */
 
 #include "init_signal_handler.h"
+
 #include <signal.h>
 #include <stdio.h>
 #include <sys/wait.h>
+
 #include "init_service_manager.h"
 
 static void SigHandler(int sig)

src/main.c

@@ -12,9 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+
 #include "init_read_cfg.h"
 #include "init_signal_handler.h"
 #include "parameter.h"