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/* Check _dl_exception_create_format.
Copyright (C) 2018-2023 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
<https://www.gnu.org/licenses/>. */
#include <ldsodefs.h>
#include <array_length.h>
#include <support/check.h>
#include <support/xunistd.h>
#include <support/capture_subprocess.h>
#define TEST(es, objn, fmt, ...) \
({ \
struct dl_exception exception; \
_dl_exception_create_format (&exception, objn, fmt, __VA_ARGS__); \
TEST_COMPARE_STRING (exception.objname, objn == NULL ? "" : objn); \
TEST_COMPARE_STRING (exception.errstring, es); \
_dl_exception_free (&exception); \
})
static void
do_test_invalid_conversion (void *closure)
{
TEST ("(null)", NULL, "%p", NULL);
}
/* Exit status after abnormal termination. */
static int invalid_status;
static void
init_invalid_status (void)
{
pid_t pid = xfork ();
if (pid == 0)
_exit (127);
xwaitpid (pid, &invalid_status, 0);
if (WIFEXITED (invalid_status))
invalid_status = WEXITSTATUS (invalid_status);
}
static int
do_test (void)
{
init_invalid_status ();
TEST ("test", NULL, "%s", "test");
TEST ("test-test", NULL, "%s-test", "test");
TEST ("test", "test", "%s", "test");
TEST ("test-test", "test", "%s-test", "test");
TEST ("test%", NULL, "%s%%", "test");
TEST ("test%-test", NULL, "%s%%-test", "test");
TEST ("test%", "test", "%s%%", "test");
TEST ("test%-test", "test", "%s%%-test", "test");
TEST ("0000007b", NULL, "%x", 123);
TEST ("0000007b-test", NULL, "%x-test", 123);
TEST ("0000007b", "test", "%x", 123);
TEST ("0000007b-test", "test", "%x-test", 123);
#define TEST_LONG(es, objn, fmt, ...) \
({ \
if (sizeof (int) == sizeof (long int)) \
TEST (es, objn, fmt, __VA_ARGS__); \
else \
TEST ("ffffffff" es, objn, fmt, __VA_ARGS__); \
})
TEST_LONG ("fffffffd", NULL, "%lx", (long int)~2ul);
TEST_LONG ("fffffffd-test", NULL, "%lx-test", (long int)~2ul);
TEST_LONG ("fffffffd", "test", "%lx", (long int)~2ul);
TEST_LONG ("fffffffd-test", "test", "%lx-test", (long int)~2ul);
TEST_LONG ("fffffffe", NULL, "%zx", (size_t)~1ul);
TEST_LONG ("fffffffe-test", NULL, "%zx-test", (size_t)~1ul);
TEST_LONG ("fffffffe", "test", "%zx", (size_t)~1ul);
TEST_LONG ("fffffffe-test", "test", "%zx-test", (size_t)~1ul);
struct support_capture_subprocess result;
result = support_capture_subprocess (do_test_invalid_conversion, NULL);
support_capture_subprocess_check (&result, "dl-exception",
invalid_status, sc_allow_stderr);
TEST_COMPARE_STRING (result.err.buffer,
"Fatal error: invalid format in exception string\n");
return 0;
}
#include <support/test-driver.c>
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