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Annotation of 43BSDReno/lib/libc/stdio/vfprintf.c, revision 1.1

1.1     ! root        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 provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #if defined(LIBC_SCCS) && !defined(lint)
        !            21: static char sccsid[] = "@(#)vfprintf.c 5.4 (Berkeley) 6/30/90";
        !            22: #endif /* LIBC_SCCS and not lint */
        !            23: 
        !            24: #include <stdio.h>
        !            25: #include <varargs.h>
        !            26: 
        !            27: int
        !            28: vfprintf(iop, fmt, ap)
        !            29:        FILE *iop;
        !            30:        char *fmt;
        !            31:        va_list ap;
        !            32: {
        !            33:        int len;
        !            34:        char localbuf[BUFSIZ];
        !            35: 
        !            36:        if (iop->_flag & _IONBF) {
        !            37:                iop->_flag &= ~_IONBF;
        !            38:                iop->_ptr = iop->_base = localbuf;
        !            39:                iop->_bufsiz = BUFSIZ;
        !            40:                len = _doprnt(fmt, ap, iop);
        !            41:                (void)fflush(iop);
        !            42:                iop->_flag |= _IONBF;
        !            43:                iop->_base = NULL;
        !            44:                iop->_bufsiz = 0;
        !            45:                iop->_cnt = 0;
        !            46:        } else
        !            47:                len = _doprnt(fmt, ap, iop);
        !            48:        return (ferror(iop) ? EOF : len);
        !            49: }

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