mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-31 22:10:34 +03:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* Test ns_name_compress corner cases.
|
|
Copyright (C) 2017-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library 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.
|
|
|
|
The GNU C Library 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 the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <resolv.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
|
|
/* Check that we can process names which fit into the destination
|
|
buffer exactly. See bug 21359. */
|
|
static void
|
|
test_exact_fit (const char *name, size_t length)
|
|
{
|
|
unsigned char *buf = xmalloc (length + 1);
|
|
memset (buf, '$', length + 1);
|
|
enum { ptr_count = 5 };
|
|
const unsigned char *dnptrs[ptr_count] = { buf, };
|
|
int ret = ns_name_compress (name, buf, length,
|
|
dnptrs, dnptrs + ptr_count);
|
|
if (ret < 0)
|
|
{
|
|
support_record_failure ();
|
|
printf ("error: ns_name_compress for %s/%zu failed\n", name, length);
|
|
return;
|
|
}
|
|
if ((size_t) ret != length)
|
|
{
|
|
support_record_failure ();
|
|
printf ("error: ns_name_compress for %s/%zu result mismatch: %d\n",
|
|
name, length, ret);
|
|
}
|
|
if (buf[length] != '$')
|
|
{
|
|
support_record_failure ();
|
|
printf ("error: ns_name_compress for %s/%zu padding write\n",
|
|
name, length);
|
|
}
|
|
free (buf);
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
test_exact_fit ("abc", 5);
|
|
test_exact_fit ("abc.", 5);
|
|
{
|
|
char long_name[]
|
|
= "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa."
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa."
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa."
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.";
|
|
TEST_VERIFY (strlen (long_name) == NS_MAXCDNAME - 1);
|
|
test_exact_fit (long_name, NS_MAXCDNAME);
|
|
long_name[sizeof (long_name) - 1] = '\0';
|
|
test_exact_fit (long_name, NS_MAXCDNAME);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|