| 46 | } |
| 47 | |
| 48 | int64_t |
| 49 | Config::bytesFrom(char const *const valstr) |
| 50 | { |
| 51 | char *endptr = nullptr; |
| 52 | int64_t blockbytes = strtoll(valstr, &endptr, 10); |
| 53 | constexpr int64_t kib = 1024; |
| 54 | |
| 55 | if (nullptr != endptr && valstr < endptr) { |
| 56 | size_t const dist = endptr - valstr; |
| 57 | if (dist < strlen(valstr) && 0 <= blockbytes) { |
| 58 | switch (tolower(*endptr)) { |
| 59 | case 'g': |
| 60 | blockbytes *= (kib * kib * kib); |
| 61 | break; |
| 62 | case 'm': |
| 63 | blockbytes *= (kib * kib); |
| 64 | break; |
| 65 | case 'k': |
| 66 | blockbytes *= kib; |
| 67 | break; |
| 68 | default: |
| 69 | break; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | if (blockbytes < 0) { |
| 75 | blockbytes = 0; |
| 76 | } |
| 77 | |
| 78 | return blockbytes; |
| 79 | } |
| 80 | |
| 81 | bool |
| 82 | Config::fromArgs(int const argc, char const *const argv[]) |