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libio/test-freopen.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Test for freopen implementation. Copyright (C) 2000-2026 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 <mcheck.h> #include <stdio.h> #include <stdlib.h> #include <wchar.h> int main (int argc, char *argv[]) { FILE *fp; mtrace (); if (argc < 2) exit (1); fp = fopen (argv[1], "w"); if (fp == NULL) { puts ("fopen failed: %m"); exit (1); } fputs ("Hello world (mb)\n", fp); fp = freopen (argv[1], "a+", fp); if (fp == NULL) { puts ("freopen failed: %m"); exit (1); } fputws (L"Hello world (wc)\n", fp); fclose (fp); return 0; }