1 /* An interface to write() that writes all it is asked to write. 2 3 Copyright (C) 2002-2003, 2009-2020 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 <https://www.gnu.org/licenses/>. */ 17 18 #include <stddef.h> 19 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 26 /* Write COUNT bytes at BUF to descriptor FD, retrying if interrupted 27 or if partial writes occur. Return the number of bytes successfully 28 written, setting errno if that is less than COUNT. */ 29 extern size_t full_write (int fd, const void *buf, size_t count); 30 31 32 #ifdef __cplusplus 33 } 34 #endif 35