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common: Fix malloc nit in regression test.

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* common/t-iobuf.c: Add boilerplate.
(xmalloc): New.  Use it everywhere.
--

GnuPG-bug-id: 6483
This commit is contained in:
Werner Koch 2023-05-11 15:50:40 +02:00
parent a035938216
commit 23bb92b755
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 51 additions and 5 deletions
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56
common/t-iobuf.c
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@ -1,3 +1,36 @@
/* t-iobuf.c - Simple module test for iobuf.c
* Copyright (C) 2015 g10 Code GmbH
*
* This file is part of GnuPG.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* or both in parallel, as here.
*
* This file 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: (LGPL-3.0-or-later OR GPL-2.0-or-later)
*/
/* The whole code here does not very fill into our general test frame
* work patter. But let's keep it as it is. */
#include <config.h>
#include <stdio.h>
#include <string.h>
@ -7,6 +40,20 @@
#include "iobuf.h"
#include "stringhelp.h"
static void *
xmalloc (size_t n)
{
void *p = malloc (n);
if (!p)
{
fprintf (stderr, "t-iobuf: out of core\n");
abort ();
}
return p;
}
/* Return every other byte. In particular, reads two bytes, returns
the second one. */
static int
@ -86,7 +133,7 @@ static struct content_filter_state *
content_filter_new (const char *buffer)
{
struct content_filter_state *state
= malloc (sizeof (struct content_filter_state));
= xmalloc (sizeof (struct content_filter_state));
state->pos = 0;
state->len = strlen (buffer);
@ -215,8 +262,7 @@ main (int argc, char *argv[])
allocate a buffer that is 5 bytes long, then no reallocation
should be required. */
size = 5;
buffer = malloc (size);
assert (buffer);
buffer = xmalloc (size);
max_len = 100;
n = iobuf_read_line (iobuf, &buffer, &size, &max_len);
assert (n == 4);
@ -229,7 +275,7 @@ main (int argc, char *argv[])
requires 6 bytes of storage. We pass a buffer that is 5 bytes
large and we allow the buffer to be grown. */
size = 5;
buffer = malloc (size);
buffer = xmalloc (size);
max_len = 100;
n = iobuf_read_line (iobuf, &buffer, &size, &max_len);
assert (n == 5);
@ -243,7 +289,7 @@ main (int argc, char *argv[])
requires 7 bytes of storage. We pass a buffer that is 5 bytes
large and we don't allow the buffer to be grown. */
size = 5;
buffer = malloc (size);
buffer = xmalloc (size);
max_len = 5;
n = iobuf_read_line (iobuf, &buffer, &size, &max_len);
assert (n == 4);