Function has_prohibited_utf_bom

utf8.c:631–644

}

int has_prohibited_utf_bom(const char *enc, const char *data, size_t len)
{
	return (
	  (same_utf_encoding("UTF-16BE", enc) ||
	   same_utf_encoding("UTF-16LE", enc)) &&
	  (has_bom_prefix(data, len, utf16_be_bom, sizeof(utf16_be_bom)) ||
	   has_bom_prefix(data, len, utf16_le_bom, sizeof(utf16_le_bom)))
	) || (
	  (same_utf_encoding("UTF-32BE",  enc) ||
	   same_utf_encoding("UTF-32LE", enc)) &&
	  (has_bom_prefix(data, len, utf32_be_bom, sizeof(utf32_be_bom)) ||
	   has_bom_prefix(data, len, utf32_le_bom, sizeof(utf32_le_bom)))
	);
}

int is_missing_required_utf_bom(const char *enc, const char *data, size_t len)
{