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i += 3;
}
madvise((void*)str, len, MADV_NORMAL);
return utf8;
}
@implementation OFString
+ string
{
return [[[self alloc] init] autorelease];
}
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i += 3;
}
madvise((void*)str, len, MADV_NORMAL);
return utf8;
}
size_t
of_string_unicode_to_utf8(uint32_t c, uint8_t *buf)
{
if (c < 0x80) {
buf[0] = c;
return 1;
}
if (c < 0x800) {
buf[0] = 0xC0 | (c >> 6);
buf[1] = 0x80 | (c & 0x3F);
return 2;
}
if (c < 0x10000) {
buf[0] = 0xE0 | (c >> 12);
buf[1] = 0x80 | (c >> 6 & 0x3F);
buf[2] = 0x80 | (c & 0x3F);
return 3;
}
if (c < 0x110000) {
buf[0] = 0xF0 | (c >> 18);
buf[1] = 0x80 | (c >> 12 & 0x3F);
buf[2] = 0x80 | (c >> 6 & 0x3F);
buf[3] = 0x80 | (c & 0x3F);
return 4;
}
return 0;
}
@implementation OFString
+ string
{
return [[[self alloc] init] autorelease];
}
|