lib/full-write.h

   1 /* An interface to write() that writes all it is asked to write.
   2
   3    Copyright (C) 2002-2003, 2009-2024 Free Software Foundation, Inc.
   4
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    This file 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 Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser 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