tar: don't assume size of a sparse file chunk fits in size_t

[chaz/tar] / src / xheader.c

diff --git a/src/xheader.c b/src/xheader.c
index 42656bfd2508f2b138b2c29b93e9394c7e4b75f6..2284e97b1c56b5c1920106e44bb70e9333bf498b 100644 (file)
--- a/src/xheader.c
+++ b/src/xheader.c
@@ -1308,7 +1308,7 @@ sparse_numbytes_decoder (struct tar_stat_info *st,
                         size_t size __attribute__((unused)))
 {
   uintmax_t u;
-  if (decode_num (&u, arg, SIZE_MAX, keyword))
+  if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), keyword))
     {
       if (st->sparse_map_avail < st->sparse_map_size)
        st->sparse_map[st->sparse_map_avail++].numbytes = u;
@@ -1356,7 +1356,7 @@ sparse_map_decoder (struct tar_stat_info *st,
          e.numbytes = u;
          if (!(u == e.numbytes && errno != ERANGE))
            {
-             out_of_range_header (keyword, arg, 0, TYPE_MAXIMUM (size_t));
+             out_of_range_header (keyword, arg, 0, TYPE_MAXIMUM (off_t));
              return;
            }
          if (st->sparse_map_avail < st->sparse_map_size)