Migrate MagiskBoot to C++

native/jni/utils/include/utils.h

@@ -11,6 +11,10 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "vector.h"
 
 #define UID_SHELL  (get_shell_uid())
@@ -140,4 +144,8 @@ void full_read_at(int dirfd, const char *filename, void **buf, size_t *size);
 void stream_full_read(int fd, void **buf, size_t *size);
 void write_zero(int fd, size_t size);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif