homework-jianmu/source/util/src/tunit.c

125 lines
4.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tunit.h"
#define UNIT_SIZE_CONVERT_FACTOR 1024LL
#define UNIT_ONE_KIBIBYTE UNIT_SIZE_CONVERT_FACTOR
#define UNIT_ONE_MEBIBYTE (UNIT_ONE_KIBIBYTE * UNIT_SIZE_CONVERT_FACTOR)
#define UNIT_ONE_GIBIBYTE (UNIT_ONE_MEBIBYTE * UNIT_SIZE_CONVERT_FACTOR)
#define UNIT_ONE_TEBIBYTE (UNIT_ONE_GIBIBYTE * UNIT_SIZE_CONVERT_FACTOR)
#define UNIT_ONE_PEBIBYTE (UNIT_ONE_TEBIBYTE * UNIT_SIZE_CONVERT_FACTOR)
#define UNIT_ONE_EXBIBYTE (UNIT_ONE_PEBIBYTE * UNIT_SIZE_CONVERT_FACTOR)
int64_t taosStrHumanToInt64(const char* str) {
size_t sLen = strlen(str);
if (sLen < 2) return atoll(str);
int64_t val = 0;
char* strNoUnit = NULL;
char unit = str[sLen - 1];
if ((unit == 'P') || (unit == 'p')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_PEBIBYTE;
} else if ((unit == 'T') || (unit == 't')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_TEBIBYTE;
} else if ((unit == 'G') || (unit == 'g')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_GIBIBYTE;
} else if ((unit == 'M') || (unit == 'm')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_MEBIBYTE;
} else if ((unit == 'K') || (unit == 'k')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_KIBIBYTE;
} else {
val = atoll(str);
}
taosMemoryFree(strNoUnit);
return val;
}
void taosInt64ToHumanStr(int64_t val, char* outStr) {
if (((val >= UNIT_ONE_EXBIBYTE) || (-val >= UNIT_ONE_EXBIBYTE)) && ((val % UNIT_ONE_EXBIBYTE) == 0)) {
sprintf(outStr, "%qdE", (long long)val / UNIT_ONE_EXBIBYTE);
} else if (((val >= UNIT_ONE_PEBIBYTE) || (-val >= UNIT_ONE_PEBIBYTE)) && ((val % UNIT_ONE_PEBIBYTE) == 0)) {
sprintf(outStr, "%qdP", (long long)val / UNIT_ONE_PEBIBYTE);
} else if (((val >= UNIT_ONE_TEBIBYTE) || (-val >= UNIT_ONE_TEBIBYTE)) && ((val % UNIT_ONE_TEBIBYTE) == 0)) {
sprintf(outStr, "%qdT", (long long)val / UNIT_ONE_TEBIBYTE);
} else if (((val >= UNIT_ONE_GIBIBYTE) || (-val >= UNIT_ONE_GIBIBYTE)) && ((val % UNIT_ONE_GIBIBYTE) == 0)) {
sprintf(outStr, "%qdG", (long long)val / UNIT_ONE_GIBIBYTE);
} else if (((val >= UNIT_ONE_MEBIBYTE) || (-val >= UNIT_ONE_MEBIBYTE)) && ((val % UNIT_ONE_MEBIBYTE) == 0)) {
sprintf(outStr, "%qdM", (long long)val / UNIT_ONE_MEBIBYTE);
} else if (((val >= UNIT_ONE_KIBIBYTE) || (-val >= UNIT_ONE_KIBIBYTE)) && ((val % UNIT_ONE_KIBIBYTE) == 0)) {
sprintf(outStr, "%qdK", (long long)val / UNIT_ONE_KIBIBYTE);
} else
sprintf(outStr, "%qd", (long long)val);
}
int32_t taosStrHumanToInt32(const char* str) {
size_t sLen = strlen(str);
if (sLen < 2) return atoll(str);
int32_t val = 0;
char* strNoUnit = NULL;
char unit = str[sLen - 1];
if ((unit == 'G') || (unit == 'g')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_GIBIBYTE;
} else if ((unit == 'M') || (unit == 'm')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_MEBIBYTE;
} else if ((unit == 'K') || (unit == 'k')) {
strNoUnit = taosMemoryCalloc(sLen, 1);
memcpy(strNoUnit, str, sLen - 1);
val = atoll(strNoUnit) * UNIT_ONE_KIBIBYTE;
} else {
val = atoll(str);
}
taosMemoryFree(strNoUnit);
return val;
}
void taosInt32ToHumanStr(int32_t val, char* outStr) {
if (((val >= UNIT_ONE_GIBIBYTE) || (-val >= UNIT_ONE_GIBIBYTE)) && ((val % UNIT_ONE_GIBIBYTE) == 0)) {
sprintf(outStr, "%qdG", (long long)val / UNIT_ONE_GIBIBYTE);
} else if (((val >= UNIT_ONE_MEBIBYTE) || (-val >= UNIT_ONE_MEBIBYTE)) && ((val % UNIT_ONE_MEBIBYTE) == 0)) {
sprintf(outStr, "%qdM", (long long)val / UNIT_ONE_MEBIBYTE);
} else if (((val >= UNIT_ONE_KIBIBYTE) || (-val >= UNIT_ONE_KIBIBYTE)) && ((val % UNIT_ONE_KIBIBYTE) == 0)) {
sprintf(outStr, "%qdK", (long long)val / UNIT_ONE_KIBIBYTE);
} else
sprintf(outStr, "%qd", (long long)val);
}