1 /* 2 * Copyright (c) 1983 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 #ifndef lint 19 static char sccsid[] = "@(#)wwprintf.c 3.8 (Berkeley) 06/29/88"; 20 #endif /* not lint */ 21 22 #include "ww.h" 23 #include <varargs.h> 24 25 /*VARARGS2*/ 26 wwprintf(w, fmt, va_alist) 27 struct ww *w; 28 char *fmt; 29 va_dcl 30 { 31 #include <stdio.h> 32 struct _iobuf _wwbuf; 33 char buf[1024]; 34 va_list ap; 35 36 /* 37 * A danger is that when buf overflows, _flsbuf() will be 38 * called automatically. It doesn't check for _IOSTR. 39 * We set the file descriptor to -1 so no actual io will be done. 40 */ 41 _wwbuf._flag = _IOWRT+_IOSTRG; 42 _wwbuf._base = _wwbuf._ptr = buf; 43 _wwbuf._cnt = sizeof buf; 44 _wwbuf._file = -1; /* safe */ 45 va_start(ap); 46 _doprnt(fmt, ap, &_wwbuf); 47 va_end(ap); 48 (void) wwwrite(w, buf, _wwbuf._ptr - buf); 49 } 50