libc/stdio/clearerr.c

   1 /* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
   2  *
   3  * GNU Library General Public License (LGPL) version 2 or later.
   4  *
   5  * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
   6  */
   7
   8 #include "_stdio.h"
   9
  10 #undef clearerr
  11 #ifdef __DO_UNLOCKED
  12
  13 #undef clearerr_unlocked
  14 void clearerr_unlocked(register FILE *stream)
  15 {
  16         __STDIO_STREAM_VALIDATE(stream);
  17
  18         __CLEARERR_UNLOCKED(stream);
  19 }
  20
  21 #ifndef __UCLIBC_HAS_THREADS__
  22 strong_alias(clearerr_unlocked,clearerr)
  23 #endif
  24
  25 #elif defined __UCLIBC_HAS_THREADS__
  26
  27 void clearerr(register FILE *stream)
  28 {
  29         __STDIO_AUTO_THREADLOCK_VAR;
  30
  31         __STDIO_AUTO_THREADLOCK(stream);
  32
  33         __STDIO_STREAM_VALIDATE(stream);
  34
  35         __CLEARERR_UNLOCKED(stream);
  36
  37         __STDIO_AUTO_THREADUNLOCK(stream);
  38 }
  39
  40 #endif