Function has_bom_prefix

utf8.c:625–629

#endif

static int has_bom_prefix(const char *data, size_t len,
			  const char *bom, size_t bom_len)
{
	return data && bom && (len >= bom_len) && !memcmp(data, bom, bom_len);
}

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