Add iov_clear()

Fill the spefified area with zeros.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/iov.h b/iov.h
index c2c5b39b8..94d2f7828 100644
--- a/iov.h
+++ b/iov.h
@@ -17,5 +17,7 @@ size_t iov_from_buf(struct iovec *iov, unsigned int iov_cnt,
 size_t iov_to_buf(const struct iovec *iov, const unsigned int iov_cnt,
                   void *buf, size_t iov_off, size_t size);
 size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt);
+size_t iov_clear(const struct iovec *iov, const unsigned int iov_cnt,
+                 size_t iov_off, size_t size);
 void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt,
                  FILE *fp, const char *prefix, size_t limit);