mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
421 lines
14 KiB
C
421 lines
14 KiB
C
/* Test for user-defined types in vfprintf.
|
|
Copyright (C) 2017-2024 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/>. */
|
|
|
|
/* This test contains a printf format specifier, %P, with a custom
|
|
type which is a long/double pair. If a precision is specified,
|
|
this indicates the number of such pairs which constitute the
|
|
argument. */
|
|
|
|
#include <array_length.h>
|
|
#include <locale.h>
|
|
#include <printf.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
#include <support/test-driver.h>
|
|
#include <wchar.h>
|
|
|
|
/* Initialized by do_test using register_printf_type. */
|
|
static int user_type;
|
|
|
|
struct two_argument
|
|
{
|
|
long i;
|
|
double d;
|
|
};
|
|
|
|
static void
|
|
my_va_arg_function (void *mem, va_list *ap)
|
|
{
|
|
if (test_verbose > 0)
|
|
printf ("info: %s (%p) called\n", __func__, mem);
|
|
|
|
struct two_argument *pair = mem;
|
|
pair->i = va_arg (*ap, long);
|
|
pair->d = va_arg (*ap, double);
|
|
}
|
|
|
|
static int
|
|
my_printf_function (FILE *fp, const struct printf_info *info,
|
|
const void *const *args)
|
|
{
|
|
if (test_verbose > 0)
|
|
printf ("info: %s (%p, %p, {%p}@%p) called for %%%lc (prec %d)\n",
|
|
__func__, fp, info, args[0], args, (wint_t) info->spec,
|
|
info->prec);
|
|
|
|
TEST_COMPARE (info->wide, fwide (fp, 0) > 0);
|
|
|
|
TEST_VERIFY (info->spec == 'P');
|
|
size_t nargs;
|
|
int printed;
|
|
if (info->prec >= 0)
|
|
{
|
|
if (info->wide)
|
|
{
|
|
if (fputwc (L'{', fp) < 0)
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (fputc ('{', fp) < 0)
|
|
return -1;
|
|
}
|
|
nargs = info->prec;
|
|
printed = 1;
|
|
}
|
|
else
|
|
{
|
|
nargs = 1;
|
|
printed = 0;
|
|
}
|
|
|
|
for (size_t i = 0; i < nargs; ++i)
|
|
{
|
|
if (i != 0)
|
|
{
|
|
if (info->wide)
|
|
{
|
|
if (fputwc (L',', fp) < 0)
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (fputc (',', fp) < 0)
|
|
return -1;
|
|
}
|
|
++printed;
|
|
}
|
|
|
|
/* NB: Triple pointer indirection. ARGS is an array of void *,
|
|
and those pointers point to a pointer to the memory area
|
|
supplied to my_va_arg_function. */
|
|
struct two_argument *pair = *(void **) args[i];
|
|
int ret;
|
|
if (info->wide)
|
|
ret = fwprintf (fp, L"(%ld, %f)", pair->i, pair->d);
|
|
else
|
|
ret = fprintf (fp, "(%ld, %f)", pair->i, pair->d);
|
|
if (ret < 0)
|
|
return -1;
|
|
printed += ret;
|
|
}
|
|
if (info->prec >= 0)
|
|
{
|
|
if (info->wide)
|
|
{
|
|
if (fputwc (L'}', fp) < 0)
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
if (fputc ('}', fp) < 0)
|
|
return -1;
|
|
}
|
|
++printed;
|
|
}
|
|
return printed;
|
|
}
|
|
|
|
static int
|
|
my_arginfo_function (const struct printf_info *info,
|
|
size_t n, int *argtypes, int *size)
|
|
{
|
|
/* Avoid recursion. */
|
|
if (info->spec != 'P')
|
|
return -1;
|
|
if (test_verbose > 0)
|
|
printf ("info: %s (%p, %zu, %p, %p) called for %%%lc (prec %d)\n",
|
|
__func__, info, n, argtypes, size, (wint_t) info->spec,
|
|
info->prec);
|
|
|
|
TEST_VERIFY_EXIT (n >= 1);
|
|
size_t nargs;
|
|
if (info->prec >= 0)
|
|
nargs = info->prec;
|
|
else
|
|
nargs = 1;
|
|
|
|
size_t to_fill = nargs;
|
|
if (to_fill > n)
|
|
to_fill = n;
|
|
for (size_t i = 0; i < to_fill; ++i)
|
|
{
|
|
argtypes[i] = user_type;
|
|
size[i] = sizeof (struct two_argument);
|
|
}
|
|
if (test_verbose > 0)
|
|
printf ("info: %s return value: %zu\n", __func__, nargs);
|
|
return nargs;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
user_type = register_printf_type (my_va_arg_function);
|
|
if (test_verbose > 0)
|
|
printf ("info: allocated user type: %d\n", user_type);
|
|
TEST_VERIFY_EXIT (user_type >= PA_LAST);
|
|
TEST_VERIFY_EXIT (register_printf_specifier
|
|
('P', my_printf_function, my_arginfo_function) >= 0);
|
|
|
|
/* Alias declaration for asprintf, to avoid the format string
|
|
attribute and the associated warning. */
|
|
#if __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
|
|
extern int asprintf_alias (char **, const char *, ...) __asm__ ("__asprintfieee128");
|
|
#else
|
|
extern int asprintf_alias (char **, const char *, ...) __asm__ ("asprintf");
|
|
#endif
|
|
TEST_VERIFY (asprintf_alias == asprintf);
|
|
char *str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "[[%P]]", 123L, 456.0) >= 0);
|
|
TEST_COMPARE_STRING (str, "[[(123, 456.000000)]]");
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "[[%1$P %1$P]]", 123L, 457.0) >= 0);
|
|
TEST_COMPARE_STRING (str, "[[(123, 457.000000) (123, 457.000000)]]");
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "%1$P %2$P %3$P %4$P %5$P %6$P",
|
|
1L, 1.0,
|
|
2L, 2.0,
|
|
3L, 3.0,
|
|
4L, 4.0,
|
|
5L, 6.0,
|
|
6L, 6.0)
|
|
>= 0);
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "%1$P %2$P %3$P %4$P %5$P %6$P"
|
|
"%7$P %8$P %9$P %10$P %11$P %12$P",
|
|
1L, 1.0,
|
|
2L, 2.0,
|
|
3L, 3.0,
|
|
4L, 4.0,
|
|
5L, 6.0,
|
|
6L, 6.0,
|
|
7L, 7.0,
|
|
8L, 8.0,
|
|
9L, 9.0,
|
|
10L, 10.0,
|
|
11L, 11.0,
|
|
12L, 12.0)
|
|
>= 0);
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "%1$P %2$P %3$P %4$P %5$P %6$P"
|
|
"%7$P %8$P %9$P %10$P %11$P %12$P"
|
|
"%13$P %14$P %15$P %16$P %17$P %18$P",
|
|
1L, 1.0,
|
|
2L, 2.0,
|
|
3L, 3.0,
|
|
4L, 4.0,
|
|
5L, 6.0,
|
|
6L, 6.0,
|
|
7L, 7.0,
|
|
8L, 8.0,
|
|
9L, 9.0,
|
|
10L, 10.0,
|
|
11L, 11.0,
|
|
12L, 12.0,
|
|
13L, 13.0,
|
|
14L, 14.0,
|
|
15L, 15.0,
|
|
16L, 16.0,
|
|
17L, 17.0,
|
|
18L, 18.0)
|
|
>= 0);
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "%1$P %2$P %3$P %4$P %5$P %6$P"
|
|
"%7$P %8$P %9$P %10$P %11$P %12$P"
|
|
"%13$P %14$P %15$P %16$P %17$P %18$P"
|
|
"%19$P %20$P %21$P %22$P %23$P %24$P",
|
|
1L, 1.0,
|
|
2L, 2.0,
|
|
3L, 3.0,
|
|
4L, 4.0,
|
|
5L, 6.0,
|
|
6L, 6.0,
|
|
7L, 7.0,
|
|
8L, 8.0,
|
|
9L, 9.0,
|
|
10L, 10.0,
|
|
11L, 11.0,
|
|
12L, 12.0,
|
|
13L, 13.0,
|
|
14L, 14.0,
|
|
15L, 15.0,
|
|
16L, 16.0,
|
|
17L, 17.0,
|
|
18L, 18.0,
|
|
19L, 19.0,
|
|
20L, 20.0,
|
|
21L, 21.0,
|
|
22L, 22.0,
|
|
23L, 23.0,
|
|
24L, 24.0)
|
|
>= 0);
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "%1$P %2$P %3$P %4$P %5$P %6$P"
|
|
"%7$P %8$P %9$P %10$P %11$P %12$P"
|
|
"%13$P %14$P %15$P %16$P %17$P %18$P"
|
|
"%19$P %20$P %21$P %22$P %23$P %24$P"
|
|
"%25$P %26$P %27$P %28$P %29$P %30$P",
|
|
1L, 1.0,
|
|
2L, 2.0,
|
|
3L, 3.0,
|
|
4L, 4.0,
|
|
5L, 6.0,
|
|
6L, 6.0,
|
|
7L, 7.0,
|
|
8L, 8.0,
|
|
9L, 9.0,
|
|
10L, 10.0,
|
|
11L, 11.0,
|
|
12L, 12.0,
|
|
13L, 13.0,
|
|
14L, 14.0,
|
|
15L, 15.0,
|
|
16L, 16.0,
|
|
17L, 17.0,
|
|
18L, 18.0,
|
|
19L, 19.0,
|
|
20L, 20.0,
|
|
21L, 21.0,
|
|
22L, 22.0,
|
|
23L, 23.0,
|
|
24L, 34.0,
|
|
25L, 25.0,
|
|
26L, 26.0,
|
|
27L, 27.0,
|
|
28L, 28.0,
|
|
29L, 29.0,
|
|
30, 30.0)
|
|
>= 0);
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "[[%1$P %1$P]]", 123L, 457.0) >= 0);
|
|
TEST_COMPARE_STRING (str, "[[(123, 457.000000) (123, 457.000000)]]");
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "[[%.1P]]", 1L, 2.0) >= 0);
|
|
TEST_COMPARE_STRING (str, "[[{(1, 2.000000)}]]");
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias (&str, "[[%.2P]]", 1L, 2.0, 3L, 4.0) >= 0);
|
|
TEST_COMPARE_STRING (str, "[[{(1, 2.000000),(3, 4.000000)}]]");
|
|
free (str);
|
|
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias
|
|
(&str, "[[%.2P | %.3P]]",
|
|
/* argument 1: */ 1L, 2.0, 3L, 4.0,
|
|
/* argument 2: */ 5L, 6.0, 7L, 8.0, 9L, 10.0)
|
|
>= 0);
|
|
TEST_COMPARE_STRING (str,
|
|
"[["
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
" | "
|
|
"{(5, 6.000000),(7, 8.000000),(9, 10.000000)}"
|
|
"]]");
|
|
free (str);
|
|
|
|
/* The following subtest fails due to bug 21534. */
|
|
#if 0
|
|
str = NULL;
|
|
TEST_VERIFY (asprintf_alias
|
|
(&str, "[[%1$.2P | %2$.3P | %1$.2P]]",
|
|
/* argument 1: */ 1L, 2.0, 3L, 4.0,
|
|
/* argument 2: */ 5L, 6.0, 7L, 8.0, 9L, 10.0)
|
|
>= 0);
|
|
TEST_COMPARE_STRING (str,
|
|
"[["
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
" | "
|
|
"{(5, 6.000000),(7, 8.000000),(9, 10.000000)}"
|
|
" | "
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
"]]");
|
|
free (str);
|
|
#endif
|
|
|
|
/* Wide variants of the tests above. */
|
|
|
|
wchar_t buf[200];
|
|
TEST_VERIFY (swprintf (buf, array_length (buf), L"[[%P]]", 123L, 456.0)
|
|
>= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf, L"[[(123, 456.000000)]]");
|
|
|
|
TEST_VERIFY (swprintf (buf, array_length (buf), L"[[%1$P %1$P]]",
|
|
123L, 457.0) >= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf, L"[[(123, 457.000000) (123, 457.000000)]]");
|
|
|
|
TEST_VERIFY (swprintf (buf, array_length (buf), L"[[%.1P]]", 1L, 2.0) >= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf, L"[[{(1, 2.000000)}]]");
|
|
|
|
TEST_VERIFY (swprintf (buf, array_length (buf), L"[[%.2P]]",
|
|
1L, 2.0, 3L, 4.0) >= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf, L"[[{(1, 2.000000),(3, 4.000000)}]]");
|
|
|
|
TEST_VERIFY (swprintf
|
|
(buf, array_length (buf), L"[[%.2P | %.3P]]",
|
|
/* argument 1: */ 1L, 2.0, 3L, 4.0,
|
|
/* argument 2: */ 5L, 6.0, 7L, 8.0, 9L, 10.0)
|
|
>= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf,
|
|
L"[["
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
" | "
|
|
"{(5, 6.000000),(7, 8.000000),(9, 10.000000)}"
|
|
"]]");
|
|
|
|
/* The following subtest fails due to bug 21534. */
|
|
#if 0
|
|
TEST_VERIFY (swprintf
|
|
(&buf, array_length (buf), L"[[%1$.2P | %2$.3P | %1$.2P]]",
|
|
/* argument 1: */ 1L, 2.0, 3L, 4.0,
|
|
/* argument 2: */ 5L, 6.0, 7L, 8.0, 9L, 10.0)
|
|
>= 0);
|
|
TEST_COMPARE_STRING_WIDE (buf,
|
|
L"[["
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
" | "
|
|
"{(5, 6.000000),(7, 8.000000),(9, 10.000000)}"
|
|
" | "
|
|
"{(1, 2.000000),(3, 4.000000)}"
|
|
"]]");
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|