| 67 | #endif // _WIN32 |
| 68 | |
| 69 | bool |
| 70 | adjust_file_offset_down(LARGE_INTEGER& l) |
| 71 | { |
| 72 | long long offset = l.QuadPart; |
| 73 | |
| 74 | if (offset < 0) |
| 75 | return false; |
| 76 | |
| 77 | if (offset == 0) |
| 78 | return true; |
| 79 | |
| 80 | long long blocks = (offset - CIPHER_FILE_OVERHEAD + CIPHER_BS - 1) / CIPHER_BS; |
| 81 | offset -= (blocks*CIPHER_BLOCK_OVERHEAD + CIPHER_FILE_OVERHEAD); |
| 82 | if (offset < 0) |
| 83 | return false; |
| 84 | |
| 85 | l.QuadPart = offset; |
| 86 | |
| 87 | return true; |
| 88 | } |
| 89 | |
| 90 | bool |
| 91 | adjust_file_offset_up(LARGE_INTEGER& l) |
no outgoing calls
no test coverage detected