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1 /* This testcase is part of GDB, the GNU debugger.
2
3 Copyright 2017-2023 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program 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
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #include <stdio.h>
19
20 static size_t total_bytes = 0;
21
22 int
23 main ()
24 {
25 int i = 0;
26
27 /* When testing with "target remote |", stdout is a pipe, and thus
28 block buffered by default. Force it to be line buffered. */
29 setvbuf (stdout, NULL, _IOLBF, 0);
30
31 /* This outputs > 70 KB which is larger than the default pipe buffer
32 size on most systems (typically 16 KB or 64 KB). */
33 for (i = 0; i < 3000; i++)
34 total_bytes += printf ("this is line number %d\n", i);
35
36 printf ("total bytes written = %u\n", (unsigned) total_bytes);
37 return 0; /* printing done */
38 }