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Diffstat (limited to 'libhw_generic/include/libhw/generic/io.h')
-rw-r--r--libhw_generic/include/libhw/generic/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libhw_generic/include/libhw/generic/io.h b/libhw_generic/include/libhw/generic/io.h
index 96680bb..8b3fb9c 100644
--- a/libhw_generic/include/libhw/generic/io.h
+++ b/libhw_generic/include/libhw/generic/io.h
@@ -39,6 +39,8 @@ struct duplex_iovec {
/* utilities ******************************************************************/
+/* If byte_max_cnt == 0, then there is no maximum. */
+
/* slice iovec lists */
int io_slice_cnt ( const struct iovec *src, int src_cnt, size_t byte_start, size_t byte_max_cnt);
void io_slice (struct iovec *dst, const struct iovec *src, int src_cnt, size_t byte_start, size_t byte_max_cnt);