ioputc.c

vxworks源码源码解读是学习vxworks的最佳途径

/* This has been copied from the gnu source tree */
/* Make all changes there, not here! */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _N_
char __ioputc_o = 0;
#else
char _N_ = 0;
#endif
#ifdef __cplusplus
}
#endif
#include "vxWorks.h"
/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "libioP.h"
#include "stdio.h"

#undef _IO_putc

int
_IO_putc (c, fp)
     int c;
     _IO_FILE *fp;
{
  int result;
  CHECK_FILE (fp, EOF);
  _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
  _IO_flockfile (fp);
  result = _IO_putc_unlocked (c, fp);
#ifdef _IO_VXW_THREADS
  _IO_funlockfile (fp);
#endif /* _IO_VXW_THREADS */
  _IO_cleanup_region_end (1);
  return result;
}

#undef putc

#ifdef weak_alias
weak_alias (_IO_putc, putc)
#endif