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Diffstat (limited to 'usr.sbin/sup/lib/vprintf.c')
| -rw-r--r-- | usr.sbin/sup/lib/vprintf.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/usr.sbin/sup/lib/vprintf.c b/usr.sbin/sup/lib/vprintf.c new file mode 100644 index 0000000..235a5f1 --- /dev/null +++ b/usr.sbin/sup/lib/vprintf.c @@ -0,0 +1,131 @@ +/* + * 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 1993/08/21 00:46:35 jkh + * Current sup with compression support. + * + * 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 */ |
