85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* vprint.c -- v[fs]printf() for 4.[23] BSD systems. */
|
|
|
|
/* Copyright (C) 1987,1989 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Bash, the Bourne Again SHell.
|
|
|
|
Bash is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Bash is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Bash. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#if defined (USE_VFPRINTF_EMULATION)
|
|
|
|
#include <stdio.h>
|
|
|
|
#if !defined (NULL)
|
|
# if defined (__STDC__)
|
|
# define NULL ((void *)0)
|
|
# else
|
|
# define NULL 0x0
|
|
# endif /* __STDC__ */
|
|
#endif /* !NULL */
|
|
|
|
/*
|
|
* Beware! Don't trust the value returned by either of these functions; it
|
|
* seems that pre-4.3-tahoe implementations of _doprnt () return the first
|
|
* argument, i.e. a char *.
|
|
*/
|
|
#include <varargs.h>
|
|
|
|
int
|
|
vfprintf (iop, fmt, ap)
|
|
FILE *iop;
|
|
char *fmt;
|
|
va_list ap;
|
|
{
|
|
int len;
|
|
char localbuf[BUFSIZ];
|
|
|
|
if (iop->_flag & _IONBF)
|
|
{
|
|
iop->_flag &= ~_IONBF;
|
|
iop->_ptr = iop->_base = localbuf;
|
|
len = _doprnt (fmt, ap, iop);
|
|
(void) fflush (iop);
|
|
iop->_flag |= _IONBF;
|
|
iop->_base = NULL;
|
|
iop->_bufsiz = 0;
|
|
iop->_cnt = 0;
|
|
}
|
|
else
|
|
len = _doprnt (fmt, ap, iop);
|
|
return (ferror (iop) ? EOF : len);
|
|
}
|
|
|
|
/*
|
|
* Ditto for vsprintf
|
|
*/
|
|
int
|
|
vsprintf (str, fmt, ap)
|
|
char *str, *fmt;
|
|
va_list ap;
|
|
{
|
|
FILE f;
|
|
int len;
|
|
|
|
f._flag = _IOWRT|_IOSTRG;
|
|
f._ptr = str;
|
|
f._cnt = 32767;
|
|
len = _doprnt (fmt, ap, &f);
|
|
*f._ptr = 0;
|
|
return (len);
|
|
}
|
|
#endif /* USE_VFPRINTF_EMULATION */
|