18ccd4a63SDavid du Colombier #include <u.h>
28ccd4a63SDavid du Colombier #include <libc.h>
38ccd4a63SDavid du Colombier #include "fmtdef.h"
48ccd4a63SDavid du Colombier
58ccd4a63SDavid du Colombier /* format the output into f->to and return the number of characters fmted */
68ccd4a63SDavid du Colombier
78ccd4a63SDavid du Colombier int
dorfmt(Fmt * f,const Rune * fmt)8*0d601874SDavid du Colombier dorfmt(Fmt *f, const Rune *fmt)
98ccd4a63SDavid du Colombier {
108ccd4a63SDavid du Colombier Rune *rt, *rs;
118ccd4a63SDavid du Colombier int r;
128ccd4a63SDavid du Colombier char *t, *s;
138ccd4a63SDavid du Colombier int nfmt;
148ccd4a63SDavid du Colombier
158ccd4a63SDavid du Colombier nfmt = f->nfmt;
168ccd4a63SDavid du Colombier for(;;){
178ccd4a63SDavid du Colombier if(f->runes){
188ccd4a63SDavid du Colombier rt = f->to;
198ccd4a63SDavid du Colombier rs = f->stop;
208ccd4a63SDavid du Colombier while((r = *fmt++) && r != '%'){
218ccd4a63SDavid du Colombier FMTRCHAR(f, rt, rs, r);
228ccd4a63SDavid du Colombier }
238ccd4a63SDavid du Colombier f->nfmt += rt - (Rune *)f->to;
248ccd4a63SDavid du Colombier f->to = rt;
258ccd4a63SDavid du Colombier if(!r)
268ccd4a63SDavid du Colombier return f->nfmt - nfmt;
278ccd4a63SDavid du Colombier f->stop = rs;
288ccd4a63SDavid du Colombier }else{
298ccd4a63SDavid du Colombier t = f->to;
308ccd4a63SDavid du Colombier s = f->stop;
318ccd4a63SDavid du Colombier while((r = *fmt++) && r != '%'){
328ccd4a63SDavid du Colombier FMTRUNE(f, t, f->stop, r);
338ccd4a63SDavid du Colombier }
348ccd4a63SDavid du Colombier f->nfmt += t - (char *)f->to;
358ccd4a63SDavid du Colombier f->to = t;
368ccd4a63SDavid du Colombier if(!r)
378ccd4a63SDavid du Colombier return f->nfmt - nfmt;
388ccd4a63SDavid du Colombier f->stop = s;
398ccd4a63SDavid du Colombier }
408ccd4a63SDavid du Colombier
41*0d601874SDavid du Colombier fmt = __fmtdispatch(f, (Rune*)fmt, 1);
428ccd4a63SDavid du Colombier if(fmt == nil)
438ccd4a63SDavid du Colombier return -1;
448ccd4a63SDavid du Colombier }
458ccd4a63SDavid du Colombier return 0; /* not reached */
468ccd4a63SDavid du Colombier }
47