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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:07 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:07 -0600
commitbe0ca741fd12897337408d1d7a7d8f5f18e1fac9 (patch)
treeb9fa3458193a17180d8773a0204ee05ae206cd99 /libkdenetwork/libgpgme-copy/gpgme/data.h
parentbbb7afdb6da2969535e7f05715e2cb95cfdc917c (diff)
downloadtdepim-be0ca741fd12897337408d1d7a7d8f5f18e1fac9.tar.gz
tdepim-be0ca741fd12897337408d1d7a7d8f5f18e1fac9.zip
Finish rename from prior commit
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-/* data.h - Internal data object abstraction interface.
- Copyright (C) 2002, 2004, 2005 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. */
-
-#ifndef DATA_H
-#define DATA_H
-
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/types.h>
-#include <limits.h>
-
-#include "gpgme.h"
-
-
-/* Read up to SIZE bytes into buffer BUFFER from the data object with
- the handle DH. Return the number of characters read, 0 on EOF and
- -1 on error. If an error occurs, errno is set. */
-typedef ssize_t (*gpgme_data_read_cb) (gpgme_data_t dh, void *buffer,
- size_t size);
-
-/* Write up to SIZE bytes from buffer BUFFER to the data object with
- the handle DH. Return the number of characters written, or -1 on
- error. If an error occurs, errno is set. */
-typedef ssize_t (*gpgme_data_write_cb) (gpgme_data_t dh, const void *buffer,
- size_t size);
-
-/* Set the current position from where the next read or write starts
- in the data object with the handle DH to OFFSET, relativ to
- WHENCE. */
-typedef off_t (*gpgme_data_seek_cb) (gpgme_data_t dh, off_t offset,
- int whence);
-
-/* Release the data object with the handle DH. */
-typedef void (*gpgme_data_release_cb) (gpgme_data_t dh);
-
-/* Get the FD associated with the handle DH, or -1. */
-typedef int (*gpgme_data_get_fd_cb) (gpgme_data_t dh);
-
-struct _gpgme_data_cbs
-{
- gpgme_data_read_cb read;
- gpgme_data_write_cb write;
- gpgme_data_seek_cb seek;
- gpgme_data_release_cb release;
- gpgme_data_get_fd_cb get_fd;
-};
-
-struct gpgme_data
-{
- struct _gpgme_data_cbs *cbs;
- gpgme_data_encoding_t encoding;
-
-#ifdef PIPE_BUF
-#define BUFFER_SIZE PIPE_BUF
-#else
-#ifdef _POSIX_PIPE_BUF
-#define BUFFER_SIZE _POSIX_PIPE_BUF
-#else
-#define BUFFER_SIZE 512
-#endif
-#endif
- char pending[BUFFER_SIZE];
- int pending_len;
-
- /* File name of the data object. */
- char *file_name;
-
- union
- {
- /* For gpgme_data_new_from_fd. */
- int fd;
-
- /* For gpgme_data_new_from_stream. */
- FILE *stream;
-
- /* For gpgme_data_new_from_cbs. */
- struct
- {
- gpgme_data_cbs_t cbs;
- void *handle;
- } user;
-
- /* For gpgme_data_new_from_mem. */
- struct
- {
- char *buffer;
- const char *orig_buffer;
- /* Allocated size of BUFFER. */
- size_t size;
- size_t length;
- off_t offset;
- } mem;
-
- /* For gpgme_data_new_from_read_cb. */
- struct
- {
- int (*cb) (void *, char *, size_t, size_t *);
- void *handle;
- } old_user;
- } data;
-};
-
-
-gpgme_error_t _gpgme_data_new (gpgme_data_t *r_dh,
- struct _gpgme_data_cbs *cbs);
-
-void _gpgme_data_release (gpgme_data_t dh);
-
-/* Get the file descriptor associated with DH, if possible. Otherwise
- return -1. */
-int _gpgme_data_get_fd (gpgme_data_t dh);
-
-#endif /* DATA_H */