1 /* 2 * Copyright (c) 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and 9 * this paragraph in its entirety in the documentation or other materials 10 * provided with the distribution, and (3) all advertising materials mentioning 11 * features or use of this software display the following acknowledgement: 12 * ``This product includes software developed by the University of California, 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 */ 21 22 #ifdef HAVE_CONFIG_H 23 #include "config.h" 24 #endif 25 26 #include <sys/types.h> 27 28 #include <stdio.h> 29 #include <stdarg.h> 30 #include <stdlib.h> 31 #include <unistd.h> 32 33 #include "interface.h" 34 35 /* 36 * Stock 4.3 doesn't have vfprintf. 37 * This routine is due to Chris Torek. 38 */ 39 vfprintf(f, fmt, args) 40 FILE *f; 41 char *fmt; 42 va_list args; 43 { 44 int ret; 45 46 if ((f->_flag & _IOWRT) == 0) { 47 if (f->_flag & _IORW) 48 f->_flag |= _IOWRT; 49 else 50 return EOF; 51 } 52 ret = _doprnt(fmt, args, f); 53 return ferror(f) ? EOF : ret; 54 } 55