/* * 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 #include #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 */