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Annotation of 43BSDTahoe/ucb/window/wwprintf.c, revision 1.1

1.1     ! root        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) 6/29/88";
        !            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: }

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