* adfReadRootBlock * * ENDIAN DEPENDENT */
| 112 | * ENDIAN DEPENDENT |
| 113 | */ |
| 114 | RETCODE |
| 115 | adfReadRootBlock(struct Volume* vol, int32_t nSect, struct bRootBlock* root) |
| 116 | { |
| 117 | uint8_t buf[LOGICAL_BLOCK_SIZE]; |
| 118 | |
| 119 | if (adfReadBlock(vol, nSect, buf)!=RC_OK) |
| 120 | return RC_ERROR; |
| 121 | |
| 122 | memcpy(root, buf, LOGICAL_BLOCK_SIZE); |
| 123 | #ifdef LITT_ENDIAN |
| 124 | swapEndian((uint8_t*)root, SWBL_ROOT); |
| 125 | #endif |
| 126 | |
| 127 | if (root->type!=T_HEADER || root->secType!=ST_ROOT) { |
| 128 | (*adfEnv.wFct)("adfReadRootBlock : id not found"); |
| 129 | return RC_ERROR; |
| 130 | } |
| 131 | if (root->checkSum!=adfNormalSum(buf, 20, LOGICAL_BLOCK_SIZE)) { |
| 132 | (*adfEnv.wFct)("adfReadRootBlock : invalid checksum"); |
| 133 | return RC_ERROR; |
| 134 | } |
| 135 | |
| 136 | return RC_OK; |
| 137 | } |
| 138 | |
| 139 | |
| 140 | /* |
no test coverage detected