+static char utf8buf[16];
+static char* getUTF8(unsigned int charnum)
+{
+ memset(utf8buf, 0, sizeof(utf8buf));
+
+ if(charnum < 0x80) {
+ utf8buf[0] = charnum;
+ return utf8buf;
+ } else if(charnum <0x800) {
+ /* 0000 0080-0000 07FF 110xxxxx 10xxxxxx */
+ utf8buf[0] = 0xc0 | (charnum >> 6);
+ utf8buf[1] = 0x80 | (charnum & 0x3f);
+ return utf8buf;
+ } else if(charnum < 0x10000) {
+ /* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx */
+ utf8buf[0] = 0xe0 | (charnum >> 12);
+ utf8buf[1] = 0x80 |((charnum >> 6)&0x3f);
+ utf8buf[2] = 0x80 |((charnum )&0x3f);
+ return utf8buf;
+ } else if(charnum < 0x200000) {
+ /* 0001 0000-001F FFFF 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ utf8buf[0] = 0xf0 | (charnum >> 18);
+ utf8buf[1] = 0x80 |((charnum >> 12)&0x3f);
+ utf8buf[2] = 0x80 |((charnum >> 6 )&0x3f);
+ utf8buf[3] = 0x80 |((charnum )&0x3f);
+ return utf8buf;
+ } else if(charnum < 0x4000000) {
+ /* 0020 0000-03FF FFFF 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
+ utf8buf[0] = 0xf8 | (charnum >> 24);
+ utf8buf[1] = 0x80 |((charnum >> 18)&0x3f);
+ utf8buf[2] = 0x80 |((charnum >> 12)&0x3f);
+ utf8buf[3] = 0x80 |((charnum >> 6 )&0x3f);
+ utf8buf[4] = 0x80 |((charnum )&0x3f);
+ return utf8buf;
+ } else if(charnum < 0x80000000) {
+ /* 0400 0000-7FFF FFFF 1111110x 10xxxxxx ... 10xxxxxx */
+ utf8buf[0] = 0xfc | (charnum >> 30);
+ utf8buf[1] = 0x80 |((charnum >> 24)&0x3f);
+ utf8buf[2] = 0x80 |((charnum >> 18)&0x3f);
+ utf8buf[3] = 0x80 |((charnum >> 12)&0x3f);
+ utf8buf[4] = 0x80 |((charnum >> 6 )&0x3f);
+ utf8buf[5] = 0x80 |((charnum )&0x3f);
+ return utf8buf;
+ } else {
+ fprintf(stderr, "Illegal character: 0x%08x\n", charnum);
+ return utf8buf;
+ }
+}
+