--- cpio-2.7/src/util.c.warnings	2006-11-03 15:27:03.000000000 +0100
+++ cpio-2.7/src/util.c	2006-11-03 15:32:52.000000000 +0100
@@ -98,6 +98,8 @@
   output_size = 0;
 }
 
+int sparse_write (int fildes, char *buf, unsigned int nbyte);
+
 /* Write `output_size' bytes of `output_buffer' to file
    descriptor OUT_DES and reset `output_size' and `out_buff'.
    If `swapping_halfwords' or `swapping_bytes' is set,
@@ -1111,8 +1113,8 @@
   int complete_block_count;
   int leftover_bytes_count;
   int seek_count;
-  int write_count;
-  char *cur_write_start;
+  int write_count = 0;
+  char *cur_write_start = buf;
   int lseek_rc;
   int write_rc;
   int i;