mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-18 23:49:57 +00:00
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/* Test for the long double redirections in error* functions
|
|
when they are returned as function pointer BZ #29033.
|
|
Copyright (C) 2023-2024 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 <err.h>
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <dlfcn.h>
|
|
#include <sys/cdefs.h>
|
|
|
|
#include <support/capture_subprocess.h>
|
|
#include <support/check.h>
|
|
#include <support/xdlfcn.h>
|
|
|
|
#if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
|
|
# define LDBL_NAME(alias) "__" #alias "ieee128"
|
|
#elif defined __LONG_DOUBLE_MATH_OPTIONAL && defined __NO_LONG_DOUBLE_MATH
|
|
# define LDBL_NAME(alias) "__nldbl_" #alias
|
|
#else
|
|
# define LDBL_NAME(alias) #alias
|
|
#endif
|
|
|
|
typedef void (*error_func_t) (int, int, const char*, ...);
|
|
typedef void (*error_at_line_func_t) (int, int, const char*,
|
|
unsigned int, const char*, ...);
|
|
|
|
error_func_t
|
|
__attribute__ ((noinline))
|
|
get_error_func (void) {
|
|
return &error;
|
|
}
|
|
|
|
error_at_line_func_t
|
|
__attribute__ ((noinline))
|
|
get_error_at_line_func (void) {
|
|
return &error_at_line;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
/* Prepare the symbol names as per long double standards */
|
|
char *error_sym = NULL;
|
|
char *error_sym_at_line = NULL;
|
|
error_sym = (char *) LDBL_NAME(error);
|
|
error_sym_at_line = (char *) LDBL_NAME(error_at_line);
|
|
TEST_VERIFY (error_sym != NULL && error_sym_at_line != NULL);
|
|
/* Map the function pointers to appropriate redirected error symbols */
|
|
error_func_t fp;
|
|
fp = get_error_func ();
|
|
if (fp != xdlsym (RTLD_DEFAULT, error_sym))
|
|
{
|
|
printf ("FAIL: fp=%p error_sym=%p\n", fp, error_sym);
|
|
return 1;
|
|
}
|
|
|
|
error_at_line_func_t fpat;
|
|
fpat = get_error_at_line_func ();
|
|
if (fpat != xdlsym (RTLD_DEFAULT, error_sym_at_line))
|
|
{
|
|
printf ("FAIL: fpat=%p error_sym_at_line=%p\n",
|
|
fpat, error_sym_at_line);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|