/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <bio.h> voidBpass(Biobuf *bin, Biobuf *bout, int n){	char buf[8192];	int m; 	while(n > 0) {		m = sizeof buf;		if(m > n)			m = n;		m = Bread(bin, buf, m);		if(m <= 0) {			fprint(2, "corrupt archive\n");			exits("notdone");		}		Bwrite(bout, buf, m);		n -= m;	}	assert(n == 0);} voidmain(int argc, char **argv){	char *p, *f[10];	Biobuf bin, bout;	int nf;	ulong d, size; 	if(argc != 2) {		fprint(2, "usage: cat mkfs-archive | touchfs date (in seconds)\n");		exits("usage");	} 	d = strtoul(argv[1], 0, 0); 	quotefmtinstall();	Binit(&bin, 0, OREAD);	Binit(&bout, 1, OWRITE); 	while(p = Brdline(&bin, '\n')) {		p[Blinelen(&bin)-1] = '\0';		if(strcmp(p, "end of archive") == 0) {			Bprint(&bout, "end of archive\n");			exits(0);		} 		nf = tokenize(p, f, nelem(f));		if(nf != 6) {			fprint(2, "corrupt archive\n");			exits("notdone");		} 		Bprint(&bout, "%q %q %q %q %lud %q\n",			f[0], f[1], f[2], f[3], d, f[5]); 		size = strtoul(f[5], 0, 0);		Bpass(&bin, &bout, size);	}	fprint(2, "premature end of archive\n");	exits("notdone");}