1/* Common definitions for open_memstream tests.
2 Copyright (C) 2018-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <mcheck.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <string.h>
23#include <stdarg.h>
24#include <errno.h>
25
26#include <support/check.h>
27
28#ifdef TEST_WCHAR
29# include <wchar.h>
30
31/* Straightforward implementation so tst-memstream3 could use check
32 fwrite on open_memstream. */
33static size_t __attribute__ ((used))
34fwwrite (const void *ptr, size_t size, size_t nmemb, FILE *arq)
35{
36 const wchar_t *wcs = (const wchar_t*) (ptr);
37 for (size_t s = 0; s < size; s++)
38 {
39 for (size_t n = 0; n < nmemb; n++)
40 if (fputwc (wcs[n], arq) == WEOF)
41 return n;
42 }
43 return size * nmemb;
44}
45
46# define CHAR_T wchar_t
47# define W(o) L##o
48# define OPEN_MEMSTREAM open_wmemstream
49# define PRINTF wprintf
50# define FWRITE fwwrite
51# define FPUTC fputwc
52# define FPUTS fputws
53# define STRCMP wcscmp
54# define STRLEN wcslen
55#else
56# define CHAR_T char
57# define W(o) o
58# define OPEN_MEMSTREAM open_memstream
59# define PRINTF printf
60# define FWRITE fwrite
61# define FPUTC fputc
62# define FPUTS fputs
63# define STRCMP strcmp
64# define STRLEN strlen
65#endif
66
67#define S(s) S1 (s)
68#define S1(s) #s
69

source code of glibc/libio/tst-memstream.h