ref: 4ba285fb7dc477013ce1fca68adf59244fc42bd4
dir: /sys/src/ape/lib/fmt/fmtrune.c/
/* * The authors of this software are Rob Pike and Ken Thompson. * Copyright (c) 2002 by Lucent Technologies. * Permission to use, copy, modify, and distribute this software for any * purpose without fee is hereby granted, provided that this entire notice * is included in all copies of any software which is or includes a copy * or modification of this software and in all copies of the supporting * documentation for such software. * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. */ #include <stdarg.h> #include <string.h> #include "utf.h" #include "fmt.h" #include "fmtdef.h" int fmtrune(Fmt *f, int r) { Rune *rt; char *t; int n; if(f->runes){ rt = (Rune*)f->to; FMTRCHAR(f, rt, f->stop, r); f->to = rt; n = 1; }else{ t = (char*)f->to; FMTRUNE(f, t, f->stop, r); n = t - (char*)f->to; f->to = t; } f->nfmt += n; return 0; }