129 lines
3.0 KiB
C
129 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1991 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the rights
|
|
* to redistribute these changes.
|
|
*/
|
|
/*
|
|
* varargs versions of printf routines
|
|
*
|
|
**********************************************************************
|
|
* HISTORY
|
|
* $Log: vprintf.c,v $
|
|
* Revision 1.1.1.1 1993/05/21 14:52:19 cgd
|
|
* initial import of CMU's SUP to NetBSD
|
|
*
|
|
* Revision 2.5 89/09/08 18:15:55 mbj
|
|
* Use _doprnt() for the Multimax (an "old" architecture).
|
|
* [89/09/08 mbj]
|
|
*
|
|
* Revision 2.4 89/08/03 14:40:10 mja
|
|
* Add vsnprintf() routine.
|
|
* [89/07/12 mja]
|
|
*
|
|
* Terminate vsprintf() string with null byte.
|
|
* [89/04/21 mja]
|
|
*
|
|
* Change to use new hidden name for _doprnt on MIPS.
|
|
* [89/04/18 mja]
|
|
*
|
|
* Revision 2.3 89/06/10 14:13:43 gm0w
|
|
* Added putc of NULL byte to vsprintf.
|
|
* [89/06/10 gm0w]
|
|
*
|
|
* Revision 2.2 88/12/13 13:53:17 gm0w
|
|
* From Brad White.
|
|
* [88/12/13 gm0w]
|
|
************************************************************
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <varargs.h>
|
|
|
|
#ifdef DOPRINT_VA
|
|
/*
|
|
* system provides _doprnt_va routine
|
|
*/
|
|
#define _doprnt _doprnt_va
|
|
#else
|
|
/*
|
|
* system provides _doprnt routine
|
|
*/
|
|
#define _doprnt_va _doprnt
|
|
#endif
|
|
|
|
|
|
#ifdef NEED_VPRINTF
|
|
int
|
|
vprintf(fmt, args)
|
|
char *fmt;
|
|
va_list args;
|
|
{
|
|
_doprnt(fmt, args, stdout);
|
|
return (ferror(stdout) ? EOF : 0);
|
|
}
|
|
|
|
int
|
|
vfprintf(f, fmt, args)
|
|
FILE *f;
|
|
char *fmt;
|
|
va_list args;
|
|
{
|
|
_doprnt(fmt, args, f);
|
|
return (ferror(f) ? EOF : 0);
|
|
}
|
|
|
|
int
|
|
vsprintf(s, fmt, args)
|
|
char *s, *fmt;
|
|
va_list args;
|
|
{
|
|
FILE fakebuf;
|
|
|
|
fakebuf._flag = _IOSTRG+_IOWRT; /* no _IOWRT: avoid stdio bug */
|
|
fakebuf._ptr = s;
|
|
fakebuf._cnt = 32767;
|
|
_doprnt(fmt, args, &fakebuf);
|
|
putc('\0', &fakebuf);
|
|
return (strlen(s));
|
|
}
|
|
#endif /* NEED_VPRINTF */
|
|
|
|
#if defined(NEED_VSNPRINTF) || defined(NEED_VPRINTF)
|
|
int
|
|
vsnprintf(s, n, fmt, args)
|
|
char *s, *fmt;
|
|
va_list args;
|
|
{
|
|
FILE fakebuf;
|
|
|
|
fakebuf._flag = _IOSTRG+_IOWRT; /* no _IOWRT: avoid stdio bug */
|
|
fakebuf._ptr = s;
|
|
fakebuf._cnt = n-1;
|
|
_doprnt(fmt, args, &fakebuf);
|
|
fakebuf._cnt++;
|
|
putc('\0', &fakebuf);
|
|
if (fakebuf._cnt<0)
|
|
fakebuf._cnt = 0;
|
|
return (n-fakebuf._cnt-1);
|
|
}
|
|
#endif /* NEED_VPRINTF || NEED_VSNPRINTF */
|