core: Un-deprecate gpgme_data_rewind.

* src/gpgme.h.in (gpgme_data_rewind): Un-deprecate.
* src/data-compat.c (gpgme_data_rewind): Move to ...
* src/data.c (gpgme_data_rewind): here.
--

That function is very convenient because it is required a lot with
memory streams.  It also documents the intention of the caller better
than gpgme_data_seek with its addition parameters and the need to map
system errors.  Thus it does not make sense to make it a first class
citizen again.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 14 insertions, 0 deletions

diff --git a/src/data.c b/src/data.c
index 6964246a..e4e9ee3f 100644
--- a/src/data.c
+++ b/src/data.c
@@ -158,6 +158,20 @@ gpgme_data_seek (gpgme_data_t dh, gpgme_off_t offset, int whence)
 }
 
 
+/* Convenience function to do a gpgme_data_seek (dh, 0, SEEK_SET).  */
+gpgme_error_t
+gpgme_data_rewind (gpgme_data_t dh)
+{
+  gpgme_error_t err;
+  TRACE_BEG (DEBUG_DATA, "gpgme_data_rewind", dh);
+
+  err = ((gpgme_data_seek (dh, 0, SEEK_SET) == -1)
+         ? gpg_error_from_syserror () : 0);
+
+  return TRACE_ERR (err);
+}
+
+
 /* Release the data object with the handle DH.  */
 void
 gpgme_data_release (gpgme_data_t dh)