275 lines
7.2 KiB
C
275 lines
7.2 KiB
C
/* t-data - Regression tests for the gpgme_data_t abstraction.
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* Copyright (C) 2001, 2004 g10 Code GmbH
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*
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* This file is part of GPGME.
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*
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* GPGME is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* GPGME is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <https://gnu.org/licenses/>.
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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/* We need to include config.h so that we know whether we are building
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with large file system (LFS) support. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#define PGM "t-data"
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#include "run-support.h"
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#undef fail_if_err
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#define fail_if_err(a) do { if(a) { \
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fprintf (stderr, "%s:%d: (%i) gpgme_error_t " \
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"%s\n", __FILE__, __LINE__, round, \
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gpgme_strerror(a)); \
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exit (1); } \
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} while(0)
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typedef enum
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{
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TEST_INITIALIZER,
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TEST_INVALID_ARGUMENT,
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TEST_INOUT_NONE,
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TEST_INOUT_MEM_NO_COPY,
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TEST_INOUT_MEM_COPY,
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TEST_INOUT_MEM_FROM_FILE_COPY,
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TEST_INOUT_MEM_FROM_INEXISTANT_FILE,
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TEST_INOUT_MEM_FROM_FILE_NO_COPY,
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TEST_INOUT_MEM_FROM_FILE_PART_BY_NAME,
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TEST_INOUT_MEM_FROM_INEXISTANT_FILE_PART,
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TEST_INOUT_MEM_FROM_FILE_PART_BY_FP,
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TEST_END
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} round_t;
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const char *text = "Just GNU it!\n";
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const char *text2 = "Just GNU it!\nJust GNU it!\n";
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int
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read_cb (void *cb_value, char *buffer, size_t count, size_t *nread)
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{
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static int off = 0;
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unsigned int amount = strlen (text) - off;
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/* round_t round = *((round_t *) cb_value); */
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(void)cb_value;
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if (!buffer && !count && !nread)
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{
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/* Rewind requested. */
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off = 0;
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return 0;
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}
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if (! buffer || !nread)
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return -1;
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if (amount <= 0)
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{
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/* End of file. */
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*nread = 0;
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return -1;
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}
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if (amount > count)
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amount = count;
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memcpy (buffer, text, amount);
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off += amount;
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*nread = amount;
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return 0;
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}
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void
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read_once_test (round_t round, gpgme_data_t data)
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{
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char buffer[1024];
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size_t read;
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read = gpgme_data_read (data, buffer, sizeof (buffer));
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if (read != strlen (text) || strncmp (buffer, text, strlen (text)))
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{
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fprintf (stderr, "%s:%d: (%i) gpgme_data_read returned wrong data\n",
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__FILE__, __LINE__, round);
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exit (1);
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}
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read = gpgme_data_read (data, buffer, sizeof (buffer));
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if (read)
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{
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fprintf (stderr, "%s:%d: (%i) gpgme_data_read did not signal EOF\n",
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__FILE__, __LINE__, round);
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exit (1);
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}
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}
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void
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read_test (round_t round, gpgme_data_t data)
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{
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char buffer[1024];
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size_t read;
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if (round == TEST_INOUT_NONE)
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{
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read = gpgme_data_read (data, buffer, sizeof (buffer));
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if (read > 0)
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{
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fprintf (stderr, "%s:%d: (%i) gpgme_data_read succeeded unexpectedly\n",
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__FILE__, __LINE__, round);
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exit (1);
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}
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return;
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}
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read_once_test (round, data);
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gpgme_data_seek (data, 0, SEEK_SET);
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read_once_test (round, data);
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}
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void
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write_test (round_t round, gpgme_data_t data)
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{
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char buffer[1024];
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size_t amt;
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amt = gpgme_data_write (data, text, strlen (text));
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if (amt != strlen (text))
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fail_if_err (gpgme_error_from_errno (errno));
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gpgme_data_seek (data, 0, SEEK_SET);
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if (round == TEST_INOUT_NONE)
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read_once_test (round, data);
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else
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{
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amt = gpgme_data_read (data, buffer, sizeof (buffer));
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if (amt != strlen (text2) || strncmp (buffer, text2, strlen (text2)))
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{
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fprintf (stderr, "%s:%d: (%i) gpgme_data_read returned wrong data\n",
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__FILE__, __LINE__, round);
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exit (1);
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}
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amt = gpgme_data_read (data, buffer, sizeof (buffer));
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if (amt)
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{
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fprintf (stderr, "%s:%d: (%i) gpgme_data_read did not signal EOF\n",
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__FILE__, __LINE__, round);
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exit (1);
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}
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}
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}
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int
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main (void)
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{
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round_t round = TEST_INITIALIZER;
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char *text_filename = make_filename ("t-data-1.txt");
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char *longer_text_filename = make_filename ("t-data-2.txt");
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const char *missing_filename = "this-file-surely-does-not-exist";
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gpgme_error_t err = 0;
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gpgme_data_t data;
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init_gpgme_basic ();
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while (++round)
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{
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switch (round)
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{
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case TEST_INVALID_ARGUMENT:
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err = gpgme_data_new (NULL);
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if (!err)
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{
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fprintf (stderr, "%s:%d: gpgme_data_new on NULL pointer succeeded "
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"unexpectedly\n", __FILE__, __LINE__);
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exit (1);
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}
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continue;
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case TEST_INOUT_NONE:
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err = gpgme_data_new (&data);
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break;
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case TEST_INOUT_MEM_NO_COPY:
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err = gpgme_data_new_from_mem (&data, text, strlen (text), 0);
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break;
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case TEST_INOUT_MEM_COPY:
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err = gpgme_data_new_from_mem (&data, text, strlen (text), 1);
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break;
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case TEST_INOUT_MEM_FROM_FILE_COPY:
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err = gpgme_data_new_from_file (&data, text_filename, 1);
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break;
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case TEST_INOUT_MEM_FROM_INEXISTANT_FILE:
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err = gpgme_data_new_from_file (&data, missing_filename, 1);
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if (!err)
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{
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fprintf (stderr, "%s:%d: gpgme_data_new_from_file on inexistant "
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"file succeeded unexpectedly\n", __FILE__, __LINE__);
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exit (1);
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}
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continue;
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case TEST_INOUT_MEM_FROM_FILE_NO_COPY:
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err = gpgme_data_new_from_file (&data, text_filename, 0);
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/* This is not implemented yet. */
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if (gpgme_err_code (err) == GPG_ERR_NOT_IMPLEMENTED
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|| gpgme_err_code (err) == GPG_ERR_INV_VALUE)
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continue;
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break;
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case TEST_INOUT_MEM_FROM_FILE_PART_BY_NAME:
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err = gpgme_data_new_from_filepart (&data, longer_text_filename, 0,
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strlen (text), strlen (text));
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break;
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case TEST_INOUT_MEM_FROM_INEXISTANT_FILE_PART:
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err = gpgme_data_new_from_filepart (&data, missing_filename, 0,
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strlen (text), strlen (text));
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if (!err)
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{
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fprintf (stderr, "%s:%d: gpgme_data_new_from_file on inexistant "
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"file succeeded unexpectedly\n", __FILE__, __LINE__);
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exit (1);
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}
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continue;
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case TEST_INOUT_MEM_FROM_FILE_PART_BY_FP:
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{
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FILE *fp = fopen (longer_text_filename, "rb");
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if (! fp)
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{
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fprintf (stderr, "%s:%d: fopen: %s\n", __FILE__, __LINE__,
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strerror (errno));
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exit (1);
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}
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err = gpgme_data_new_from_filepart (&data, 0, fp,
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strlen (text), strlen (text));
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}
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break;
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case TEST_END:
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goto out;
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case TEST_INITIALIZER:
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/* Shouldn't happen. */
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fprintf (stderr, "%s:%d: impossible condition\n", __FILE__, __LINE__);
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exit (1);
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}
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fail_if_err (err);
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read_test (round, data);
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write_test (round, data);
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gpgme_data_release (data);
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}
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out:
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free (text_filename);
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free (longer_text_filename);
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return 0;
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}
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