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// SPDX-License-Identifier: GPL-2.0-or-later
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <ccan/endian/endian.h>
#include "types.h"
#include "util/suffix.h"
nvme_uint128_t le128_to_cpu(__u8 *data)
{
nvme_uint128_t u;
nvme_uint128_t tmp;
memcpy(tmp.bytes, data, 16);
u.words[0] = le32_to_cpu(tmp.words[3]);
u.words[1] = le32_to_cpu(tmp.words[2]);
u.words[2] = le32_to_cpu(tmp.words[1]);
u.words[3] = le32_to_cpu(tmp.words[0]);
return u;
}
long double int128_to_double(__u8 *data)
{
int i;
long double result = 0;
for (i = 0; i < 16; i++) {
result *= 256;
result += data[15 - i];
}
return result;
}
uint64_t int48_to_long(__u8 *data)
{
int i;
uint64_t result = 0;
for (i = 0; i < 6; i++) {
result *= 256;
result += data[5 - i];
}
return result;
}
char *uint128_t_to_string(nvme_uint128_t val)
{
static char str[60];
int idx = 60;
__u64 div, rem;
char *sep = localeconv()->thousands_sep;
int len = sep ? strlen(sep) : 0;
int i;
/* terminate at the end, and build up from the ones */
str[--idx] = '\0';
do {
if (len && !((sizeof(str) - idx) % (3 + len))) {
for (i = 0; i < len; i++)
str[--idx] = sep[i];
}
rem = val.words[0];
div = rem / 10;
rem = ((rem - div * 10) << 32) + val.words[1];
val.words[0] = div;
div = rem / 10;
rem = ((rem - div * 10) << 32) + val.words[2];
val.words[1] = div;
div = rem / 10;
rem = ((rem - div * 10) << 32) + val.words[3];
val.words[2] = div;
div = rem / 10;
rem = rem - div * 10;
val.words[3] = div;
str[--idx] = '0' + rem;
} while (val.words[0] || val.words[1] || val.words[2] || val.words[3]);
return str + idx;
}
static long double uint128_t_to_double(nvme_uint128_t data)
{
int i;
long double result = 0;
for (i = 0; i < sizeof(data.words) / sizeof(*data.words); i++) {
result *= 4294967296;
result += data.words[i];
}
return result;
}
char *uint128_t_to_si_string(nvme_uint128_t val, __u32 bytes_per_unit)
{
static char str[40];
long double bytes = uint128_t_to_double(val) * bytes_per_unit;
const char *suffix = suffix_si_get_ld(&bytes);
int n = snprintf(str, sizeof(str), "%.2Lf %sB", bytes, suffix);
if (n <= 0)
return "";
if (n >= sizeof(str))
str[sizeof(str) - 1] = '\0';
return str;
}
const char *util_uuid_to_string(unsigned char uuid[NVME_UUID_LEN])
{
static char uuid_str[NVME_UUID_LEN_STRING];
nvme_uuid_to_string(uuid, uuid_str);
return uuid_str;
}
const char *util_fw_to_string(char *c)
{
static char ret[9];
int i;
for (i = 0; i < 8; i++)
ret[i] = c[i] >= '!' && c[i] <= '~' ? c[i] : '.';
ret[i] = '\0';
return ret;
}
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