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posix/fpathconf.c
58 строк
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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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/* Copyright (C) 1991-2026 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 <errno.h> #include <stddef.h> #include <unistd.h> /* Get file-specific information about descriptor FD. */ long int __fpathconf (int fd, int name) { if (fd < 0) { __set_errno (EBADF); return -1; } switch (name) { default: __set_errno (EINVAL); return -1; case _PC_LINK_MAX: case _PC_MAX_CANON: case _PC_MAX_INPUT: case _PC_NAME_MAX: case _PC_PATH_MAX: case _PC_PIPE_BUF: case _PC_SOCK_MAXBUF: case _PC_CHOWN_RESTRICTED: case _PC_NO_TRUNC: case _PC_VDISABLE: break; } __set_errno (ENOSYS); return -1; } weak_alias (__fpathconf, fpathconf) stub_warning (fpathconf)