10 fprint(2, "usage: rdarena [-v] arenapart arena\n");
21 fprint(2, "copying %s to standard output\n", arena->name);
25 if(bs < arena->blocksize)
26 bs = arena->blocksize;
28 b = alloczblock(bs, 0, arena->blocksize);
29 e = arena->base + arena->size + arena->blocksize;
30 for(a = arena->base - arena->blocksize; a + arena->blocksize <= e; a += bs){
32 bs = arena->blocksize;
33 if(readpart(arena->part, a, b->data, bs) < 0)
34 fprint(2, "can't copy %s, read at %lld failed: %r\n", arena->name, a);
35 if(write(1, b->data, bs) != bs)
36 sysfatal("can't copy %s, write at %lld failed: %r", arena->name, a);
43 threadmain(int argc, char *argv[])
70 part = initpart(file, OREAD|ODIRECT);
72 sysfatal("can't open partition %s: %r", file);
74 ap = initarenapart(part);
76 sysfatal("can't initialize arena partition in %s: %r", file);
79 printarenapart(2, ap);
81 initdcache(8 * MaxDiskBlock);
83 for(i = 0; i < ap->narenas; i++){
84 if(strcmp(ap->arenas[i]->name, aname) == 0){
85 rdarena(ap->arenas[i]);
90 sysfatal("couldn't find arena %s\n", aname);