Subversion Repositories planix.SVN

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#include <u.h>
2 
#include <libc.h>
3 
#include <bio.h>
4 
 
5 
void
6 
Bpass(Biobuf *bin, Biobuf *bout, int n)
7 
{
8 
	char buf[8192];
9 
	int m;
10 
 
11 
	while(n > 0) {
12 
		m = sizeof buf;
13 
		if(m > n)
14 
			m = n;
15 
		m = Bread(bin, buf, m);
16 
		if(m <= 0) {
17 
			fprint(2, "corrupt archive\n");
18 
			exits("notdone");
19 
		}
20 
		Bwrite(bout, buf, m);
21 
		n -= m;
22 
	}
23 
	assert(n == 0);
24 
}
25 
 
26 
void
27 
main(int argc, char **argv)
28 
{
29 
	char *p, *f[10];
30 
	Biobuf bin, bout;
31 
	int nf;
32 
	ulong d, size;
33 
 
34 
	if(argc != 2) {
35 
		fprint(2, "usage: cat mkfs-archive | touchfs date (in seconds)\n");
36 
		exits("usage");
37 
	}
38 
 
39 
	d = strtoul(argv[1], 0, 0);
40 
 
41 
	quotefmtinstall();
42 
	Binit(&bin, 0, OREAD);
43 
	Binit(&bout, 1, OWRITE);
44 
 
45 
	while(p = Brdline(&bin, '\n')) {
46 
		p[Blinelen(&bin)-1] = '\0';
47 
		if(strcmp(p, "end of archive") == 0) {
48 
			Bprint(&bout, "end of archive\n");
49 
			exits(0);
50 
		}
51 
 
52 
		nf = tokenize(p, f, nelem(f));
53 
		if(nf != 6) {
54 
			fprint(2, "corrupt archive\n");
55 
			exits("notdone");
56 
		}
57 
 
58 
		Bprint(&bout, "%q %q %q %q %lud %q\n",
59 
			f[0], f[1], f[2], f[3], d, f[5]);
60 
 
61 
		size = strtoul(f[5], 0, 0);
62 
		Bpass(&bin, &bout, size);
63 
	}
64 
	fprint(2, "premature end of archive\n");
65 
	exits("notdone");
66 
}