From 66d0fa1973e5e1a1bff619de8b595673d1b76cc5 Mon Sep 17 00:00:00 2001 From: Marcus Brinkmann Date: Mon, 3 Nov 2008 17:24:09 +0000 Subject: 008-11-03 Marcus Brinkmann * configure.ac: Replace gpgme paths with src. * gpgme: Move to ... * src: ... this new directory. assuan/ 2008-11-03 Marcus Brinkmann * Makefile.am (INCLUDES): Replace gpgme path with src. tests/ 2008-11-03 Marcus Brinkmann * gpgsm/Makefile.am (INCLUDES, LDADD): Replace gpgme path with src. * gpg/Makefile.am (INCLUDES, LDADD, t_thread1_LDADD): Likewise. * Makefile.am (LDADD): Likewise. --- src/data-user.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 src/data-user.c (limited to 'src/data-user.c') diff --git a/src/data-user.c b/src/data-user.c new file mode 100644 index 00000000..ca9e9b12 --- /dev/null +++ b/src/data-user.c @@ -0,0 +1,98 @@ +/* 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., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +#if HAVE_CONFIG_H +#include +#endif + +#include +#include + +#include "data.h" + + +static ssize_t +user_read (gpgme_data_t dh, void *buffer, size_t size) +{ + if (!dh->data.user.cbs->read) + { + errno = EBADF; + return -1; + } + + 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) + { + errno = EBADF; + return -1; + } + + 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) + { + errno = EBADF; + return -1; + } + + 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; +} -- cgit v1.2.3