Put the Android security check in its own function

Bug: 9469682
Change-Id: I60253008333edd7c8f2efe63f31059dc22adda63
diff --git a/ping.c b/ping.c
index bf69fb0..23613c8 100644
--- a/ping.c
+++ b/ping.c
@@ -73,10 +73,6 @@
 };
 #endif
 
-#ifdef ANDROID
-#include <sys/auxv.h>
-#endif
-
 #define	MAXIPLEN	60
 #define	MAXICMPLEN	76
 #define	NROUTES		9		/* number of record route slots */
@@ -135,10 +131,7 @@
 	char rspace[3 + 4 * NROUTES + 1];	/* record route space */
 
 #ifdef ANDROID
-	if (getauxval(AT_SECURE) != 0) {
-		fprintf(stderr, "This version of ping should NOT run with privileges. Aborting\n");
-		exit(1);
-	}
+	android_check_security();
 #endif
 
 	limit_capabilities();
diff --git a/ping_common.c b/ping_common.c
index 1710d14..9c0e8f5 100644
--- a/ping_common.c
+++ b/ping_common.c
@@ -198,6 +198,14 @@
 #endif
 }
 
+void android_check_security(void)
+{
+	if (getauxval(AT_SECURE) != 0) {
+		fprintf(stderr, "This version of ping should NOT run with privileges. Aborting\n");
+		exit(1);
+	}
+}
+
 /* Fills all the outpack, excluding ICMP header, but _including_
  * timestamp area with supplied pattern.
  */
diff --git a/ping_common.h b/ping_common.h
index f9330aa..bc59700 100644
--- a/ping_common.h
+++ b/ping_common.h
@@ -35,6 +35,7 @@
 
 #ifdef ANDROID
 #include <linux/icmp.h>
+#include <sys/auxv.h>
 #endif
 
 #include "SNAPSHOT.h"
@@ -273,6 +274,7 @@
 static inline int disable_capability_admin(void)	{ return modify_capability(0); };
 #endif
 extern void drop_capabilities(void);
+extern void android_check_security(void);
 
 extern int send_probe(void);
 extern int receive_error_msg(void);