1 85231fd8 2006-05-21 devnull /* Copyright (c) 2002-2006 Lucent Technologies; see LICENSE */
 2 91c13e54 2004-02-29 devnull #include <stdarg.h>
 3 91c13e54 2004-02-29 devnull #include <string.h>
 4 e5aa96ac 2004-12-26 devnull #include "plan9.h"
 5 91c13e54 2004-02-29 devnull #include "fmt.h"
 6 91c13e54 2004-02-29 devnull #include "fmtdef.h"
 7 91c13e54 2004-02-29 devnull 
 8 91c13e54 2004-02-29 devnull int
 9 91c13e54 2004-02-29 devnull runevsnprint(Rune *buf, int len, char *fmt, va_list args)
10 91c13e54 2004-02-29 devnull {
11 91c13e54 2004-02-29 devnull 	Fmt f;
12 91c13e54 2004-02-29 devnull 
13 91c13e54 2004-02-29 devnull 	if(len <= 0)
14 91c13e54 2004-02-29 devnull 		return -1;
15 91c13e54 2004-02-29 devnull 	f.runes = 1;
16 91c13e54 2004-02-29 devnull 	f.start = buf;
17 91c13e54 2004-02-29 devnull 	f.to = buf;
18 91c13e54 2004-02-29 devnull 	f.stop = buf + len - 1;
19 91c13e54 2004-02-29 devnull 	f.flush = nil;
20 91c13e54 2004-02-29 devnull 	f.farg = nil;
21 91c13e54 2004-02-29 devnull 	f.nfmt = 0;
22 df121a00 2004-12-26 devnull 	VA_COPY(f.args,args);
23 85231fd8 2006-05-21 devnull 	fmtlocaleinit(&f, nil, nil, nil);
24 91c13e54 2004-02-29 devnull 	dofmt(&f, fmt);
25 df121a00 2004-12-26 devnull 	VA_END(f.args);
26 91c13e54 2004-02-29 devnull 	*(Rune*)f.to = '\0';
27 91c13e54 2004-02-29 devnull 	return (Rune*)f.to - buf;
28 91c13e54 2004-02-29 devnull }