stdio-common/wprintf_buffer_flush.c

   1 /* Flush a struct __wprintf_buffer.  Wide version.
   2    Copyright (C) 2022-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <printf_buffer.h>
  21
  22 #include "printf_buffer-wchar_t.h"
  23 #include "Xprintf_buffer_flush.c"
  24
  25 static void
  26 __wprintf_buffer_do_flush (struct __wprintf_buffer *buf)
  27 {
  28   switch (buf->mode)
  29     {
  30     case __wprintf_buffer_mode_failed:
  31       return;
  32     case __wprintf_buffer_mode_to_file:
  33       __wprintf_buffer_flush_to_file ((struct __wprintf_buffer_to_file *) buf);
  34       return;
  35     case __wprintf_buffer_mode_swprintf:
  36       buf->write_end[-1] = L'\0';
  37       __set_errno (E2BIG);
  38       __wprintf_buffer_mark_failed (buf);
  39       return;
  40     }
  41   __builtin_trap ();
  42 }