mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.2 KiB
76 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
#include "units.h" |
|
#include <inttypes.h> |
|
#include <limits.h> |
|
#include <stdlib.h> |
|
#include <string.h> |
|
#include <linux/kernel.h> |
|
#include <linux/time64.h> |
|
|
|
unsigned long parse_tag_value(const char *str, struct parse_tag *tags) |
|
{ |
|
struct parse_tag *i = tags; |
|
|
|
while (i->tag) { |
|
char *s = strchr(str, i->tag); |
|
|
|
if (s) { |
|
unsigned long int value; |
|
char *endptr; |
|
|
|
value = strtoul(str, &endptr, 10); |
|
if (s != endptr) |
|
break; |
|
|
|
if (value > ULONG_MAX / i->mult) |
|
break; |
|
value *= i->mult; |
|
return value; |
|
} |
|
i++; |
|
} |
|
|
|
return (unsigned long) -1; |
|
} |
|
|
|
double convert_unit_double(double value, char *unit) |
|
{ |
|
*unit = ' '; |
|
|
|
if (value > 1000.0) { |
|
value /= 1000.0; |
|
*unit = 'K'; |
|
} |
|
|
|
if (value > 1000.0) { |
|
value /= 1000.0; |
|
*unit = 'M'; |
|
} |
|
|
|
if (value > 1000.0) { |
|
value /= 1000.0; |
|
*unit = 'G'; |
|
} |
|
|
|
return value; |
|
} |
|
|
|
unsigned long convert_unit(unsigned long value, char *unit) |
|
{ |
|
double v = convert_unit_double((double)value, unit); |
|
|
|
return (unsigned long)v; |
|
} |
|
|
|
int unit_number__scnprintf(char *buf, size_t size, u64 n) |
|
{ |
|
char unit[4] = "BKMG"; |
|
int i = 0; |
|
|
|
while (((n / 1024) > 1) && (i < 3)) { |
|
n /= 1024; |
|
i++; |
|
} |
|
|
|
return scnprintf(buf, size, "%" PRIu64 "%c", n, unit[i]); |
|
}
|
|
|