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/*
* Takes a UTF-32 code as input and outputs UTF-8.
* Based on Roman Czyborra: http://czyborra.com/utf/
*/
#include <stdio.h>
void
putu8(unsigned long c)
{
if (c < 0x80) { /* ASCII */
putchar (c);
}
else if (c < 0x800) {
putchar (0xC0 | c>>6);
putchar (0x80 | c & 0x3F);
}
else if (c < 0x10000) {
putchar (0xE0 | c>>12);
putchar (0x80 | c>>6 & 0x3F);
putchar (0x80 | c & 0x3F);
}
else if (c < 0x200000) { /* 2^21 */
putchar (0xF0 | c>>18);
putchar (0x80 | c>>12 & 0x3F);
putchar (0x80 | c>>6 & 0x3F);
putchar (0x80 | c & 0x3F);
}
}
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