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/* data-fd.c - A file descriptor 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, see <https://gnu.org/licenses/>.
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include "debug.h"
#include "data.h"
static gpgme_ssize_t
fd_read (gpgme_data_t dh, void *buffer, size_t size)
{
return read (dh->data.fd, buffer, size);
}
static gpgme_ssize_t
fd_write (gpgme_data_t dh, const void *buffer, size_t size)
{
return write (dh->data.fd, buffer, size);
}
static gpgme_off_t
fd_seek (gpgme_data_t dh, gpgme_off_t offset, int whence)
{
return lseek (dh->data.fd, offset, whence);
}
static int
fd_get_fd (gpgme_data_t dh)
{
return (dh->data.fd);
}
static struct _gpgme_data_cbs fd_cbs =
{
fd_read,
fd_write,
fd_seek,
NULL,
fd_get_fd
};
gpgme_error_t
gpgme_data_new_from_fd (gpgme_data_t *r_dh, int fd)
{
gpgme_error_t err;
TRACE_BEG (DEBUG_DATA, "gpgme_data_new_from_fd", r_dh, "fd=%d", fd);
err = _gpgme_data_new (r_dh, &fd_cbs);
if (err)
return TRACE_ERR (err);
(*r_dh)->data.fd = fd;
TRACE_SUC ("dh=%p", *r_dh);
return 0;
}

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text/x-c
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Mon, Dec 23, 4:41 PM (10 h, 2 m)
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Storage Format
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Storage Handle
94/dd/77a345bafbc87f80d188d5a8d1ef

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