| Arnaldo Carvalho de Melo | 58db1d6 | 2017-04-19 16:05:56 -0300 | [diff] [blame^] | 1 | #include "units.h" |
| 2 | #include <inttypes.h> |
| 3 | #include <linux/kernel.h> |
| 4 | #include <linux/time64.h> |
| 5 | |
| 6 | unsigned long convert_unit(unsigned long value, char *unit) |
| 7 | { |
| 8 | *unit = ' '; |
| 9 | |
| 10 | if (value > 1000) { |
| 11 | value /= 1000; |
| 12 | *unit = 'K'; |
| 13 | } |
| 14 | |
| 15 | if (value > 1000) { |
| 16 | value /= 1000; |
| 17 | *unit = 'M'; |
| 18 | } |
| 19 | |
| 20 | if (value > 1000) { |
| 21 | value /= 1000; |
| 22 | *unit = 'G'; |
| 23 | } |
| 24 | |
| 25 | return value; |
| 26 | } |
| 27 | |
| 28 | int unit_number__scnprintf(char *buf, size_t size, u64 n) |
| 29 | { |
| 30 | char unit[4] = "BKMG"; |
| 31 | int i = 0; |
| 32 | |
| 33 | while (((n / 1024) > 1) && (i < 3)) { |
| 34 | n /= 1024; |
| 35 | i++; |
| 36 | } |
| 37 | |
| 38 | return scnprintf(buf, size, "%" PRIu64 "%c", n, unit[i]); |
| 39 | } |