forked from lda/telodendria
122 lines
3 KiB
C
122 lines
3 KiB
C
/*
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* Copyright (C) 2022 Jordan Bancino <@jordan:bancino.net>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <Util.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <sys/time.h>
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long
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UtilServerTs(void)
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{
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struct timeval tv;
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long ts;
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gettimeofday(&tv, NULL);
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ts = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
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return ts;
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}
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char *
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UtilUtf8Encode(unsigned long utf8)
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{
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char *str;
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str = malloc(5 * sizeof(char));
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if (!str)
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{
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return NULL;
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}
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if (utf8 <= 0x7F) /* Plain ASCII */
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{
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str[0] = (char) utf8;
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str[1] = '\0';
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}
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else if (utf8 <= 0x07FF) /* 2-byte */
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{
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str[0] = (char) (((utf8 >> 6) & 0x1F) | 0xC0);
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str[1] = (char) (((utf8 >> 0) & 0x3F) | 0x80);
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str[2] = '\0';
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}
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else if (utf8 <= 0xFFFF) /* 3-byte */
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{
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str[0] = (char) (((utf8 >> 12) & 0x0F) | 0xE0);
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str[1] = (char) (((utf8 >> 6) & 0x3F) | 0x80);
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str[2] = (char) (((utf8 >> 0) & 0x3F) | 0x80);
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str[3] = '\0';
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}
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else if (utf8 <= 0x10FFFF) /* 4-byte */
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{
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str[0] = (char) (((utf8 >> 18) & 0x07) | 0xF0);
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str[1] = (char) (((utf8 >> 12) & 0x3F) | 0x80);
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str[2] = (char) (((utf8 >> 6) & 0x3F) | 0x80);
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str[3] = (char) (((utf8 >> 0) & 0x3F) | 0x80);
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str[4] = '\0';
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}
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else
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{
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/* Send replacement character */
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str[0] = (char) 0xEF;
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str[1] = (char) 0xBF;
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str[2] = (char) 0xBD;
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str[3] = '\0';
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}
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return str;
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}
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char *
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UtilStringDuplicate(char *inStr)
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{
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size_t len;
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char *outStr;
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len = strlen(inStr);
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outStr = malloc(len + 1); /* For the null terminator */
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if (!outStr)
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{
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return NULL;
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}
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strcpy(outStr, inStr);
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return outStr;
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}
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int
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UtilSleepMillis(long ms)
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{
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struct timespec ts;
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int res;
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ts.tv_sec = ms / 1000;
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ts.tv_nsec = (ms % 1000) * 1000000;
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res = nanosleep(&ts, &ts);
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return res;
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}
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