fiss

Friedel's Initialization and Service Supervision
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bvprint.c (654B)

      1 #include "lib9.h"
      2 
      3 #include <bio.h>
      4 
      5 static int
      6 fmtBflush(Fmt* f) {
      7 	Biobuf* bp;
      8 
      9 	bp         = f->farg;
     10 	bp->ocount = (char*) f->to - (char*) f->stop;
     11 	if (Bflush(bp) < 0)
     12 		return 0;
     13 	f->stop  = bp->ebuf;
     14 	f->to    = (char*) f->stop + bp->ocount;
     15 	f->start = f->to;
     16 	return 1;
     17 }
     18 
     19 int Bvprint(Biobuf* bp, char* fmt, va_list arg) {
     20 	int n;
     21 	Fmt f;
     22 
     23 	f.runes = 0;
     24 	f.stop  = bp->ebuf;
     25 	f.start = (char*) f.stop + bp->ocount;
     26 	f.to    = f.start;
     27 	f.flush = fmtBflush;
     28 	f.farg  = bp;
     29 	f.nfmt  = 0;
     30 	fmtlocaleinit(&f, nil, nil, nil);
     31 	n          = fmtvprint(&f, fmt, arg);
     32 	bp->ocount = (char*) f.to - (char*) f.stop;
     33 	if (n == 0)
     34 		n = f.nfmt;
     35 	return n;
     36 }