1 /* 2 * Copyright (c) 1980 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[] = "@(#)fprintf.c 5.4 (Berkeley) 06/27/88"; 20 #endif /* LIBC_SCCS and not lint */ 21 22 #include <stdio.h> 23 24 fprintf(iop, fmt, args) 25 register FILE *iop; 26 char *fmt; 27 int args; 28 { 29 int len; 30 char localbuf[BUFSIZ]; 31 32 if (iop->_flag & _IONBF) { 33 iop->_flag &= ~_IONBF; 34 iop->_ptr = iop->_base = localbuf; 35 iop->_bufsiz = BUFSIZ; 36 len = _doprnt(fmt, &args, iop); 37 fflush(iop); 38 iop->_flag |= _IONBF; 39 iop->_base = NULL; 40 iop->_bufsiz = NULL; 41 iop->_cnt = 0; 42 } else 43 len = _doprnt(fmt, &args, iop); 44 return(ferror(iop) ? EOF : len); 45 } 46