1*40ef9009SDavid du Colombier /*
2*40ef9009SDavid du Colombier * The authors of this software are Rob Pike and Ken Thompson.
3*40ef9009SDavid du Colombier * Copyright (c) 2002 by Lucent Technologies.
4*40ef9009SDavid du Colombier * Permission to use, copy, modify, and distribute this software for any
5*40ef9009SDavid du Colombier * purpose without fee is hereby granted, provided that this entire notice
6*40ef9009SDavid du Colombier * is included in all copies of any software which is or includes a copy
7*40ef9009SDavid du Colombier * or modification of this software and in all copies of the supporting
8*40ef9009SDavid du Colombier * documentation for such software.
9*40ef9009SDavid du Colombier * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10*40ef9009SDavid du Colombier * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11*40ef9009SDavid du Colombier * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12*40ef9009SDavid du Colombier * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13*40ef9009SDavid du Colombier */
14*40ef9009SDavid du Colombier #include <stdarg.h>
15*40ef9009SDavid du Colombier #include <string.h>
16*40ef9009SDavid du Colombier #include "utf.h"
17*40ef9009SDavid du Colombier #include "fmt.h"
18*40ef9009SDavid du Colombier #include "fmtdef.h"
19*40ef9009SDavid du Colombier
20*40ef9009SDavid du Colombier /* format the output into f->to and return the number of characters fmted */
21*40ef9009SDavid du Colombier
22*40ef9009SDavid du Colombier int
dorfmt(Fmt * f,const Rune * fmt)23*40ef9009SDavid du Colombier dorfmt(Fmt *f, const Rune *fmt)
24*40ef9009SDavid du Colombier {
25*40ef9009SDavid du Colombier Rune *rt, *rs;
26*40ef9009SDavid du Colombier int r;
27*40ef9009SDavid du Colombier char *t, *s;
28*40ef9009SDavid du Colombier int nfmt;
29*40ef9009SDavid du Colombier
30*40ef9009SDavid du Colombier nfmt = f->nfmt;
31*40ef9009SDavid du Colombier for(;;){
32*40ef9009SDavid du Colombier if(f->runes){
33*40ef9009SDavid du Colombier rt = f->to;
34*40ef9009SDavid du Colombier rs = f->stop;
35*40ef9009SDavid du Colombier while((r = *fmt++) && r != '%'){
36*40ef9009SDavid du Colombier FMTRCHAR(f, rt, rs, r);
37*40ef9009SDavid du Colombier }
38*40ef9009SDavid du Colombier f->nfmt += rt - (Rune *)f->to;
39*40ef9009SDavid du Colombier f->to = rt;
40*40ef9009SDavid du Colombier if(!r)
41*40ef9009SDavid du Colombier return f->nfmt - nfmt;
42*40ef9009SDavid du Colombier f->stop = rs;
43*40ef9009SDavid du Colombier }else{
44*40ef9009SDavid du Colombier t = f->to;
45*40ef9009SDavid du Colombier s = f->stop;
46*40ef9009SDavid du Colombier while((r = *fmt++) && r != '%'){
47*40ef9009SDavid du Colombier FMTRUNE(f, t, f->stop, r);
48*40ef9009SDavid du Colombier }
49*40ef9009SDavid du Colombier f->nfmt += t - (char *)f->to;
50*40ef9009SDavid du Colombier f->to = t;
51*40ef9009SDavid du Colombier if(!r)
52*40ef9009SDavid du Colombier return f->nfmt - nfmt;
53*40ef9009SDavid du Colombier f->stop = s;
54*40ef9009SDavid du Colombier }
55*40ef9009SDavid du Colombier
56*40ef9009SDavid du Colombier fmt = __fmtdispatch(f, fmt, 1);
57*40ef9009SDavid du Colombier if(fmt == nil)
58*40ef9009SDavid du Colombier return -1;
59*40ef9009SDavid du Colombier }
60*40ef9009SDavid du Colombier return 0; /* not reached */
61*40ef9009SDavid du Colombier }
62