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support/xfread.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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/* fread with error checking. Copyright (C) 2023-2026 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 <support/xstdio.h> #include <support/check.h> #include <stdlib.h> void xfread (void *ptr, size_t size, size_t nmemb, FILE *stream) { size_t count = 0; char *p = ptr; while (count < nmemb) { size_t ret = fread (p, size, nmemb - count, stream); if (ret <= 0 && ferror(stream)) FAIL_EXIT1 ("read of %zu bytes failed after %td: %m", size * nmemb, p - (char *) ptr); count += ret; p += size * ret; } }