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/*
* Copyright 2017 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdarg.h>
#include <wchar.h>
#include <locale.h>
#include <errno.h>
#include <assert.h>
void test_vswprintf(const wchar_t *format, ...)
{
wchar_t buffer[256];
va_list args;
va_start(args, format);
int n = vswprintf(buffer, 256, format, args);
fputws(buffer, stdout);
va_end(args);
wprintf(L"number of characters in above string: %d. errno: %d\n", n, errno);
assert(n == 24);
assert(errno == 0);
}
int main ()
{
setlocale(LC_ALL, "");
test_vswprintf(L"This is a character: %lc.\n", 0xF6 /* Unicode Character 'LATIN SMALL LETTER O WITH DIAERESIS' (U+00F6): http://www.fileformat.info/info/unicode/char/00f6/index.htm */);
return 0;
}
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