mirror of git://sourceware.org/git/glibc.git
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
|
/* Test feature wrapper for formatted 'sprintf' output.
|
||
|
|
Copyright (C) 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 <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include <support/next_to_fault.h>
|
||
|
|
|
||
|
|
#define SPRINTF_BUFFER_SIZE 65536
|
||
|
|
|
||
|
|
static struct support_next_to_fault ntf;
|
||
|
|
|
||
|
|
#define PREPARE printf_under_test_init
|
||
|
|
static void
|
||
|
|
printf_under_test_init (int argc, char **argv)
|
||
|
|
{
|
||
|
|
ntf = support_next_to_fault_allocate (SPRINTF_BUFFER_SIZE);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __attribute__ ((destructor))
|
||
|
|
printf_under_test_fini (void)
|
||
|
|
{
|
||
|
|
support_next_to_fault_free (&ntf);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define printf_under_test(...) \
|
||
|
|
({ \
|
||
|
|
__label__ out; \
|
||
|
|
char *str = ntf.buffer; \
|
||
|
|
int result; \
|
||
|
|
\
|
||
|
|
result = sprintf (str, __VA_ARGS__); \
|
||
|
|
if (result < 0) \
|
||
|
|
{ \
|
||
|
|
perror ("sprintf"); \
|
||
|
|
goto out; \
|
||
|
|
} \
|
||
|
|
if (fwrite (str, sizeof (*str), result, stdout) != result) \
|
||
|
|
{ \
|
||
|
|
perror ("fwrite"); \
|
||
|
|
result = -1; \
|
||
|
|
} \
|
||
|
|
out: \
|
||
|
|
result; \
|
||
|
|
})
|