1 b2cfc4e2 2003-09-30 devnull /*
 2 b2cfc4e2 2003-09-30 devnull  * The authors of this software are Rob Pike and Ken Thompson.
 3 b2cfc4e2 2003-09-30 devnull  *              Copyright (c) 2002 by Lucent Technologies.
 4 b2cfc4e2 2003-09-30 devnull  * Permission to use, copy, modify, and distribute this software for any
 5 b2cfc4e2 2003-09-30 devnull  * purpose without fee is hereby granted, provided that this entire notice
 6 b2cfc4e2 2003-09-30 devnull  * is included in all copies of any software which is or includes a copy
 7 b2cfc4e2 2003-09-30 devnull  * or modification of this software and in all copies of the supporting
 8 b2cfc4e2 2003-09-30 devnull  * documentation for such software.
 9 b2cfc4e2 2003-09-30 devnull  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10 b2cfc4e2 2003-09-30 devnull  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11 b2cfc4e2 2003-09-30 devnull  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12 b2cfc4e2 2003-09-30 devnull  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13 b2cfc4e2 2003-09-30 devnull  */
14 b2cfc4e2 2003-09-30 devnull #include <stdarg.h>
15 b2cfc4e2 2003-09-30 devnull #include <string.h>
16 b2cfc4e2 2003-09-30 devnull #include "utf.h"
17 b2cfc4e2 2003-09-30 devnull #include "fmt.h"
18 b2cfc4e2 2003-09-30 devnull #include "fmtdef.h"
19 b2cfc4e2 2003-09-30 devnull 
20 b2cfc4e2 2003-09-30 devnull /* format the output into f->to and return the number of characters fmted  */
21 b2cfc4e2 2003-09-30 devnull 
22 b2cfc4e2 2003-09-30 devnull int
23 b2cfc4e2 2003-09-30 devnull dorfmt(Fmt *f, const Rune *fmt)
24 b2cfc4e2 2003-09-30 devnull {
25 b2cfc4e2 2003-09-30 devnull 	Rune *rt, *rs;
26 b2cfc4e2 2003-09-30 devnull 	int r;
27 b2cfc4e2 2003-09-30 devnull 	char *t, *s;
28 b2cfc4e2 2003-09-30 devnull 	int nfmt;
29 b2cfc4e2 2003-09-30 devnull 
30 b2cfc4e2 2003-09-30 devnull 	nfmt = f->nfmt;
31 b2cfc4e2 2003-09-30 devnull 	for(;;){
32 b2cfc4e2 2003-09-30 devnull 		if(f->runes){
33 b2cfc4e2 2003-09-30 devnull 			rt = f->to;
34 b2cfc4e2 2003-09-30 devnull 			rs = f->stop;
35 b2cfc4e2 2003-09-30 devnull 			while((r = *fmt++) && r != '%'){
36 b2cfc4e2 2003-09-30 devnull 				FMTRCHAR(f, rt, rs, r);
37 b2cfc4e2 2003-09-30 devnull 			}
38 b2cfc4e2 2003-09-30 devnull 			f->nfmt += rt - (Rune *)f->to;
39 b2cfc4e2 2003-09-30 devnull 			f->to = rt;
40 b2cfc4e2 2003-09-30 devnull 			if(!r)
41 b2cfc4e2 2003-09-30 devnull 				return f->nfmt - nfmt;
42 b2cfc4e2 2003-09-30 devnull 			f->stop = rs;
43 b2cfc4e2 2003-09-30 devnull 		}else{
44 b2cfc4e2 2003-09-30 devnull 			t = f->to;
45 b2cfc4e2 2003-09-30 devnull 			s = f->stop;
46 b2cfc4e2 2003-09-30 devnull 			while((r = *fmt++) && r != '%'){
47 b2cfc4e2 2003-09-30 devnull 				FMTRUNE(f, t, f->stop, r);
48 b2cfc4e2 2003-09-30 devnull 			}
49 b2cfc4e2 2003-09-30 devnull 			f->nfmt += t - (char *)f->to;
50 b2cfc4e2 2003-09-30 devnull 			f->to = t;
51 b2cfc4e2 2003-09-30 devnull 			if(!r)
52 b2cfc4e2 2003-09-30 devnull 				return f->nfmt - nfmt;
53 b2cfc4e2 2003-09-30 devnull 			f->stop = s;
54 b2cfc4e2 2003-09-30 devnull 		}
55 b2cfc4e2 2003-09-30 devnull 
56 b2cfc4e2 2003-09-30 devnull 		fmt = __fmtdispatch(f, fmt, 1);
57 b2cfc4e2 2003-09-30 devnull 		if(fmt == nil)
58 b2cfc4e2 2003-09-30 devnull 			return -1;
59 b2cfc4e2 2003-09-30 devnull 	}
60 b2cfc4e2 2003-09-30 devnull 	return 0;		/* not reached */
61 b2cfc4e2 2003-09-30 devnull }