bvprint.c (654B) download
1#include "lib9.h"
2
3#include <bio.h>
4
5static int
6fmtBflush(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
19int 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}