compat/flockfile.c

   1 /*****************************************************************************
   2  * flockfile.c: POSIX unlocked I/O stream stubs
   3  *****************************************************************************
   4  * Copyright © 2011 Rémi Denis-Courmont
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20
  21 #ifdef HAVE_CONFIG_H
  22 # include <config.h>
  23 #endif
  24
  25 #include <stdio.h>
  26
  27 /* There is no way to implement this for real. We just pretend it works and
  28  * hope for the best (especially when outputting to stderr). */
  29
  30 void flockfile (FILE *stream)
  31 {
  32     (void) stream;
  33 }
  34
  35 int ftrylockfile (FILE *stream)
  36 {
  37     (void) stream;
  38     return 0;
  39 }
  40
  41 void funlockfile (FILE *stream)
  42 {
  43     (void) stream;
  44 }
  45
  46 int getc_unlocked (FILE *stream)
  47 {
  48     return getc (stream);
  49 }
  50
  51 int getchar_unlocked (void)
  52 {
  53     return getchar ();
  54 }
  55
  56 int putc_unlocked (int c, FILE *stream)
  57 {
  58     return putc (c, stream);
  59 }
  60
  61 int putchar_unlocked (int c)
  62 {
  63     return putchar (c);
  64 }