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-rw-r--r--libtdenetwork/libgpgme-copy/gpgme/data-user.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/libtdenetwork/libgpgme-copy/gpgme/data-user.c b/libtdenetwork/libgpgme-copy/gpgme/data-user.c
new file mode 100644
index 000000000..d33d71a06
--- /dev/null
+++ b/libtdenetwork/libgpgme-copy/gpgme/data-user.c
@@ -0,0 +1,89 @@
+/* data-user.c - A user callback based data object.
+ Copyright (C) 2002, 2004 g10 Code GmbH
+
+ This file is part of GPGME.
+
+ GPGME is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ GPGME is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <errno.h>
+
+#include "data.h"
+
+
+static ssize_t
+user_read (gpgme_data_t dh, void *buffer, size_t size)
+{
+ if (!dh->data.user.cbs->read)
+ return EBADF;
+
+ return (*dh->data.user.cbs->read) (dh->data.user.handle, buffer, size);
+}
+
+
+static ssize_t
+user_write (gpgme_data_t dh, const void *buffer, size_t size)
+{
+ if (!dh->data.user.cbs->write)
+ return EBADF;
+
+ return (*dh->data.user.cbs->write) (dh->data.user.handle, buffer, size);
+}
+
+
+static off_t
+user_seek (gpgme_data_t dh, off_t offset, int whence)
+{
+ if (!dh->data.user.cbs->seek)
+ return EBADF;
+
+ return (*dh->data.user.cbs->seek) (dh->data.user.handle, offset, whence);
+}
+
+
+static void
+user_release (gpgme_data_t dh)
+{
+ if (dh->data.user.cbs->release)
+ (*dh->data.user.cbs->release) (dh->data.user.handle);
+}
+
+
+static struct _gpgme_data_cbs user_cbs =
+ {
+ user_read,
+ user_write,
+ user_seek,
+ user_release,
+ NULL
+ };
+
+
+gpgme_error_t
+gpgme_data_new_from_cbs (gpgme_data_t *dh, gpgme_data_cbs_t cbs, void *handle)
+{
+ gpgme_error_t err = _gpgme_data_new (dh, &user_cbs);
+ if (err)
+ return err;
+
+ (*dh)->data.user.cbs = cbs;
+ (*dh)->data.user.handle = handle;
+ return 0;
+}