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a5275ba537
Add support for %x, %lx and %zx to _dl_exception_create_format and pad to the full width with 0. * elf/Makefile (tests-internal): Add tst-create_format1. * elf/dl-exception.c (_dl_exception_create_format): Support %x, %lx and %zx. * elf/tst-create_format1.c: New file.
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/* Check _dl_exception_create_format.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <ldsodefs.h>
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#include <array_length.h>
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#include <support/check.h>
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#include <support/xunistd.h>
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#include <support/capture_subprocess.h>
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#define TEST(es, objn, fmt, ...) \
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({ \
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struct dl_exception exception; \
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_dl_exception_create_format (&exception, objn, fmt, __VA_ARGS__); \
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TEST_COMPARE_STRING (exception.objname, objn == NULL ? "" : objn); \
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TEST_COMPARE_STRING (exception.errstring, es); \
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_dl_exception_free (&exception); \
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})
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static void
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do_test_invalid_conversion (void *closure)
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{
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TEST ("(null)", NULL, "%p", NULL);
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}
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/* Exit status after abnormal termination. */
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static int invalid_status;
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static void
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init_invalid_status (void)
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{
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pid_t pid = xfork ();
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if (pid == 0)
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_exit (127);
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xwaitpid (pid, &invalid_status, 0);
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if (WIFEXITED (invalid_status))
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invalid_status = WEXITSTATUS (invalid_status);
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}
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static int
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do_test (void)
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{
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init_invalid_status ();
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TEST ("test", NULL, "%s", "test");
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TEST ("test-test", NULL, "%s-test", "test");
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TEST ("test", "test", "%s", "test");
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TEST ("test-test", "test", "%s-test", "test");
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TEST ("test%", NULL, "%s%%", "test");
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TEST ("test%-test", NULL, "%s%%-test", "test");
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TEST ("test%", "test", "%s%%", "test");
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TEST ("test%-test", "test", "%s%%-test", "test");
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TEST ("0000007b", NULL, "%x", 123);
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TEST ("0000007b-test", NULL, "%x-test", 123);
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TEST ("0000007b", "test", "%x", 123);
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TEST ("0000007b-test", "test", "%x-test", 123);
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#define TEST_LONG(es, objn, fmt, ...) \
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({ \
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if (sizeof (int) == sizeof (long int)) \
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TEST (es, objn, fmt, __VA_ARGS__); \
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else \
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TEST ("ffffffff" es, objn, fmt, __VA_ARGS__); \
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})
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TEST_LONG ("fffffffd", NULL, "%lx", (long int)~2ul);
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TEST_LONG ("fffffffd-test", NULL, "%lx-test", (long int)~2ul);
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TEST_LONG ("fffffffd", "test", "%lx", (long int)~2ul);
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TEST_LONG ("fffffffd-test", "test", "%lx-test", (long int)~2ul);
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TEST_LONG ("fffffffe", NULL, "%zx", (size_t)~1ul);
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TEST_LONG ("fffffffe-test", NULL, "%zx-test", (size_t)~1ul);
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TEST_LONG ("fffffffe", "test", "%zx", (size_t)~1ul);
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TEST_LONG ("fffffffe-test", "test", "%zx-test", (size_t)~1ul);
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struct support_capture_subprocess result;
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result = support_capture_subprocess (do_test_invalid_conversion, NULL);
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support_capture_subprocess_check (&result, "dl-exception",
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invalid_status, sc_allow_stderr);
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TEST_COMPARE_STRING (result.err.buffer,
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"Fatal error: invalid format in exception string\n");
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return 0;
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}
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#include <support/test-driver.c>
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