forked from Telodendria/Telodendria
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
#include <Util.h>
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#include <stdlib.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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