ref: babf901b4a508c3ec5d1f89655f10377bbdf9637
dir: /libbio/bvprint.c/
#include "lib9.h" #include <bio.h> static int fmtBflush(Fmt *f) { Biobuf *bp; bp = f->farg; bp->ocount = (char*)f->to - (char*)f->stop; if(Bflush(bp) < 0) return 0; f->stop = bp->ebuf; f->to = (char*)f->stop + bp->ocount; f->start = f->to; return 1; } int Bvprint(Biobuf *bp, char *fmt, va_list arg) { int n; Fmt f; f.runes = 0; f.stop = bp->ebuf; f.start = (char*)f.stop + bp->ocount; f.to = f.start; f.flush = fmtBflush; f.farg = bp; f.nfmt = 0; #ifdef va_copy va_copy(f.args, arg); #else f.args = arg; #endif n = dofmt(&f, fmt); #ifdef va_copy va_end(f.args); #endif bp->ocount = (char*)f.to - (char*)f.stop; return n; }