glibc/misc/tst-error1.c

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#include <error.h>
#include <mcheck.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>
#include <libc-diag.h>
#include <support/xstdio.h>
static int
do_test (int argc, char *argv[])
{
mtrace ();
xfreopen (argc == 1 ? "/dev/stdout" : argv[1], "a", stderr);
/* Orient the stream. */
fwprintf (stderr, L"hello world\n");
char buf[20000];
static const char str[] = "hello world! ";
for (int i = 0; i < 1000; ++i)
memcpy (&buf[i * (sizeof (str) - 1)], str, sizeof (str));
error (0, 0, str);
/* We're testing a large format string here and need to generate it
to avoid this source file being ridiculous. So disable the warning
about a generated format string. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat-security");
error (0, 0, buf);
error (0, 0, buf);
DIAG_POP_NEEDS_COMMENT;
error (0, 0, str);
return 0;
}
#define TEST_FUNCTION do_test (argc, argv)
#include "../test-skeleton.c"