glibc/libio/tst-wmemstream3.c
2023-06-02 01:39:48 +00:00

45 lines
1.4 KiB
C

/* Test for open_memstream implementation.
Copyright (C) 2016-2023 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 <wchar.h>
/* Straightforward implementation so tst-memstream3 could use check
fwrite on open_memstream. */
static size_t
fwwrite (const void *ptr, size_t size, size_t nmemb, FILE *arq)
{
const wchar_t *wcs = (const wchar_t*) (ptr);
for (size_t s = 0; s < size; s++)
{
for (size_t n = 0; n < nmemb; n++)
if (fputwc (wcs[n], arq) == WEOF)
return n;
}
return size * nmemb;
}
#define CHAR_T wchar_t
#define W(o) L##o
#define OPEN_MEMSTREAM open_wmemstream
#define PRINTF wprintf
#define FWRITE_FUNC fwwrite
#define FPUTC fputwc
#define STRCMP wcscmp
#include "tst-memstream3.c"