libc/stdio/putw.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
  11 /* SUSv2 Legacy function -- need not be reentrant. */
  12
  13 int putw(int w, FILE *stream)
  14 {
  15 #define PW    &w
  16         /* If w is passed in a register, enable the following. */
  17 #if 0
  18 #undef PW
  19         int PW[1];
  20         PW[0] = w;
  21 #endif
  22
  23 #if EOF == -1
  24         return fwrite_unlocked((void *) PW, sizeof(int), 1, stream) - 1;
  25 #else
  26         return (fwrite_unlocked((void *) PW, sizeof(int), 1, stream) != 0)
  27                 ? 0 : EOF;
  28 #endif
  29 }