As we no longer use function pointers for read in common archiving code
archive_xread can be replaced with bb_full_read, and archive_copy_file
with bb_copyfd*
bb_copyfd is split into two functions bb_copyfd_size and bb_copyfd_eof,
they share a common backend.
diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index 56223dc..2fd50e4 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -210,7 +210,7 @@
 	}
 
 	/* Copy the file */
-	if (bb_copyfd(fd_data, fd_local, filesize) == -1) {
+	if (bb_copyfd_size(fd_data, fd_local, filesize) == -1) {
 		exit(EXIT_FAILURE);
 	}
 
@@ -272,7 +272,7 @@
 	}
 
 	/* transfer the file  */
-	if (bb_copyfd(fd_local, fd_data, 0) == -1) {
+	if (bb_copyfd_eof(fd_local, fd_data) == -1) {
 		exit(EXIT_FAILURE);
 	}