ref: a57a6e511f15c02b4fd2690197b6f1333b171193
dir: /sys/src/libc/fmt/fmtrune.c/
#include <u.h> #include <libc.h> #include "fmtdef.h" int fmtrune(Fmt *f, int r) { Rune *rt; char *t; int n; if(f->runes){ rt = f->to; FMTRCHAR(f, rt, f->stop, r); f->to = rt; n = 1; }else{ t = f->to; FMTRUNE(f, t, f->stop, r); n = t - (char*)f->to; f->to = t; } f->nfmt += n; return 0; }