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Annotation of 43BSDReno/lib/libc/stdio/vfprintf.c, revision 1.1.1.1

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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