| 1 | /*␊ |
| 2 | * befs.c␊ |
| 3 | * ␊ |
| 4 | *␊ |
| 5 | * Created by scorpius␊ |
| 6 | * Copyright 2010␊ |
| 7 | *␊ |
| 8 | */␊ |
| 9 | ␊ |
| 10 | #include "libsaio.h"␊ |
| 11 | #include "sl.h"␊ |
| 12 | #include "befs.h"␊ |
| 13 | ␊ |
| 14 | #define BeFSProbeSize␉2048␊ |
| 15 | ␊ |
| 16 | #define SUPER_BLOCK_MAGIC1 0x42465331 /* BFS1 */ ␊ |
| 17 | #define SUPER_BLOCK_MAGIC2 0xdd121031 ␊ |
| 18 | #define SUPER_BLOCK_MAGIC3 0x15b6830e␊ |
| 19 | ␊ |
| 20 | /* Find BeFS signature */␊ |
| 21 | bool BeFSProbe (const void *buf)␊ |
| 22 | {␊ |
| 23 | ␉return (OSReadLittleInt32(buf+0x220,0) == SUPER_BLOCK_MAGIC1);␊ |
| 24 | }␊ |
| 25 | ␊ |
| 26 | /* Find BeFS volume label */␊ |
| 27 | void BeFSGetDescription(CICell ih, char *str, long strMaxLen)␊ |
| 28 | {␊ |
| 29 | ␉char * buf=malloc (BeFSProbeSize);␊ |
| 30 | ␉str[0]=0;␊ |
| 31 | ␉if (!buf) {␊ |
| 32 | ␉␉return;␊ |
| 33 | ␉}␊ |
| 34 | ␉Seek(ih, 0);␊ |
| 35 | ␉Read(ih, (long)buf, BeFSProbeSize);␊ |
| 36 | ␉if (!BeFSProbe (buf))␊ |
| 37 | ␉{␊ |
| 38 | ␉␉free (buf);␊ |
| 39 | ␉␉return;␊ |
| 40 | ␉}␊ |
| 41 | ␉str[strMaxLen]=0;␊ |
| 42 | ␉strncpy (str, buf+0x200, MIN (strMaxLen, 32));␊ |
| 43 | ␉free (buf);␊ |
| 44 | }␊ |
| 45 | |
