1: /*
   2:  * Copyright (c) 1988 Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that the above copyright notice and this paragraph are
   7:  * duplicated in all such forms and that any documentation,
   8:  * advertising materials, and other materials related to such
   9:  * distribution and use acknowledge that the software was developed
  10:  * by the University of California, Berkeley.  The name of the
  11:  * University may not be used to endorse or promote products derived
  12:  * from this software without specific prior written permission.
  13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16:  */
  17: 
  18: #if defined(LIBC_SCCS) && !defined(lint)
  19: static char sccsid[] = "@(#)vfprintf.c	5.2 (Berkeley) 6/27/88";
  20: #endif /* LIBC_SCCS and not lint */
  21: 
  22: #include <stdio.h>
  23: #include <varargs.h>
  24: 
  25: int
  26: vfprintf(iop, fmt, ap)
  27:     FILE *iop;
  28:     char *fmt;
  29:     va_list ap;
  30: {
  31:     int len;
  32:     char localbuf[BUFSIZ];
  33: 
  34:     if (iop->_flag & _IONBF) {
  35:         iop->_flag &= ~_IONBF;
  36:         iop->_ptr = iop->_base = localbuf;
  37:         len = _doprnt(fmt, ap, iop);
  38:         (void) fflush(iop);
  39:         iop->_flag |= _IONBF;
  40:         iop->_base = NULL;
  41:         iop->_bufsiz = 0;
  42:         iop->_cnt = 0;
  43:     } else
  44:         len = _doprnt(fmt, ap, iop);
  45: 
  46:     return (ferror(iop) ? EOF : len);
  47: }
Last modified: 1988-12-26
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