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glibc/libio/tst-setvbuf1.c
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/* Dereived from the test case in BZ #2337. */ | |
#include <errno.h> | |
#include <error.h> | |
#include <fcntl.h> | |
#include <locale.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <unistd.h> | |
#include <wchar.h> | |
static char buf[512] __attribute__ ((aligned (4096))); | |
static int | |
do_test (void) | |
{ | |
setlocale (LC_ALL, "de_DE.UTF-8"); | |
FILE *fp = fdopen (dup (STDOUT_FILENO), "a"); | |
if (fp == NULL) | |
error (EXIT_FAILURE, errno, "fdopen(,\"a\")"); | |
setvbuf (fp, buf, _IOFBF, sizeof (buf)); | |
/* fwprintf to unbuffered stream. */ | |
fwprintf (fp, L"hello.\n"); | |
fclose (fp); | |
/* touch my buffer */ | |
buf[45] = 'a'; | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |