84 lines
1.4 KiB
C
84 lines
1.4 KiB
C
#include "stdinc.h"
|
|
#include "dat.h"
|
|
#include "fns.h"
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprint(2, "usage: fmtisect [-Z] [-b blocksize] name file\n");
|
|
threadexitsall(0);
|
|
}
|
|
|
|
void
|
|
threadmain(int argc, char *argv[])
|
|
{
|
|
int vers;
|
|
ISect *is;
|
|
Part *part;
|
|
char *file, *name;
|
|
int blocksize, setsize, zero;
|
|
|
|
ventifmtinstall();
|
|
statsinit();
|
|
|
|
blocksize = 8 * 1024;
|
|
setsize = 512 * 1024;
|
|
zero = -1;
|
|
vers = ISectVersion2;
|
|
ARGBEGIN{
|
|
case 'b':
|
|
blocksize = unittoull(ARGF());
|
|
if(blocksize == ~0)
|
|
usage();
|
|
if(blocksize > MaxDiskBlock){
|
|
fprint(2, "block size too large, max %d\n", MaxDiskBlock);
|
|
threadexitsall("usage");
|
|
}
|
|
break;
|
|
case '1':
|
|
vers = ISectVersion1;
|
|
break;
|
|
case 'Z':
|
|
zero = 0;
|
|
break;
|
|
default:
|
|
usage();
|
|
break;
|
|
}ARGEND
|
|
|
|
if(zero == -1){
|
|
if(vers == ISectVersion1)
|
|
zero = 1;
|
|
else
|
|
zero = 0;
|
|
}
|
|
|
|
if(argc != 2)
|
|
usage();
|
|
|
|
name = argv[0];
|
|
file = argv[1];
|
|
|
|
if(nameok(name) < 0)
|
|
sysfatal("illegal name %s", name);
|
|
|
|
part = initpart(file, ORDWR|ODIRECT);
|
|
if(part == nil)
|
|
sysfatal("can't open partition %s: %r", file);
|
|
|
|
if(zero)
|
|
zeropart(part, blocksize);
|
|
|
|
is = newisect(part, vers, name, blocksize, setsize);
|
|
if(is == nil)
|
|
sysfatal("can't initialize new index: %r");
|
|
|
|
fprint(2, "fmtisect %s: %,d buckets of %,d entries, %,d bytes for index map\n",
|
|
file, is->blocks, is->buckmax, setsize);
|
|
|
|
if(wbisect(is) < 0)
|
|
fprint(2, "can't write back index section header for %s: %r\n", file);
|
|
|
|
threadexitsall(0);
|
|
}
|