libgloss/mep/write.c

   1 /* write.c -- write characters to file, with hook.
   2  *
   3  * Copyright (c) 2003  Red Hat, Inc. All rights reserved.
   4  *
   5  * This copyrighted material is made available to anyone wishing to use, modify,
   6  * copy, or redistribute it subject to the terms and conditions of the BSD
   7  * License.  This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY expressed or implied, including the implied
   9  * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  A copy
  10  * of this license is available at http://www.opensource.org/licenses. Any
  11  * Red Hat trademarks that are incorporated in the source code or documentation
  12  * are not subject to the BSD License and may only be used or replicated with
  13  * the express permission of Red Hat, Inc.
  14  */
  15
  16 extern int __mep_write(int, unsigned char *, int);
  17 extern void _ioOut(int) __attribute__((weak));
  18
  19 int
  20 write(int fd, unsigned char *buf, int count)
  21 {
  22   if ((fd == 1 || fd == 2) && &_ioOut)
  23     {
  24       int c = count;
  25       while (c > 0)
  26         {
  27           c --;
  28           _ioOut(*buf++);
  29         }
  30       return count;
  31     }
  32   return __mep_write(fd, buf, count);
  33 }