ref: 3a6a754051a6f3f1ba742f12be0a2c33d309ca53
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; }